| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | 详情 |
| L804947 | MACKLIN | L-胱氨酸 | 超纯级,99.5% | 60元/25g; 190元/100g; 508元/500g; 1450元/2.5kg; | 展开 |
储存：室温 状态：白色晶体或粉末 折射率：-222.5 ° (C=1, 1mol/L HCl) |
| L804945 | MACKLIN | L-胱氨酸 | 99% | 32元/25g; 66元/100g; 229元/500g; 1034元/2.5kg; 3199元/10kg; | 展开 |
储存：室温 状态：白色粉末 折射率：-222.5 ° (C=1, 1mol/L HCl) |
| C6205 | MACKLIN | L-胱氨酸 | 99%生物技术级 | 42元/25g; 98元/100g; 290元/500g; 1198元/2.5kg; | 展开 |
储存：室温 状态：白色到灰白色固体 折射率：-222.5 ° (C=1, 1mol/L HCl) |
| C0519 | TCI | L-(-)-Cystine | >98.0%(HPLC)(N) | 230元/25G; 515元/100G; 1170元/500G; | 展开 |
基本信息 | 纯度/分析方法 | >98.0%(HPLC)(N) | | 分子式/分子量 | C6H12N2O4S2 = 240.29 | | 外观与形状(20℃) | 固体 | | Reaxys-RN | 1728094 | | PubChem物质ID | 87565636 | | Merck Index (14) | 2782 | | MDL编号 | MFCD00064228 |
技术规格 | Appearance | White powder to crystaline | | Purity(HPLC) | min. 98.0 area% | | Purity(with Total Nitrogen) | min. 98.0 % | | Specific rotation [a]20/D | -215 to -230 deg(C=1, 1mol/L HCl) | | Solubility in HCl | almost transparency |
物性(参考值) | 熔点 | 261 ℃ | | 比旋光度 [α]D | -222.5° (C=1,1mol/L HCl) |
相关法规 |
| 105489 | J&K | L-Cystine | 99% | 69元/25G; 105元/100G; 394元/500G; | 展开 |
基本信息 | 分子式 | C6H12N2O4S2 | | 分子量 | 240.30 | | 熔点 | >240 | | 比旋光度([α]20D) | -224 to -214 (C=2, 1 M HCl) | | MDL编码 | MFCD00064228 | | Beilstein | 1728094 | | Merck | 14,2782 | | EINECS 编号 | 200-296-3 |
应用 -胱氨酸已用于体外胱氨酸溶解度测定，以确定影响胱氨酸溶解度的潜在药物。它还被用作磷酸盐缓冲盐水的补充，用于切片和清洗假体周围的组织。 生化/生理作用 半胱氨酸是蛋白质中二硫键的来源，并在硫转运中发挥作用。在生理酸碱度下，它经历快速氧化形成胱氨酸。-胱氨酸对动脉平滑肌细胞的产氧和低密度脂蛋白修饰至关重要。它在谷胱甘肽的合成中也有作用。 安全信息 | 防范说明 | P262 | | WGK | 3 | | RTECS | HA2690000 | | TSCA | 是 |
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| A13762 | Alfa Aesar | L-Cystine | 99% | 567元/50g; 1984元/250g; 6792元/1000g; | 展开 |
应用
L-Cystine is used as an antioxidant, protecting tissues against radiation and pollution. It finds application in protein synthesis. It is required for utilization of vitamin B6 and is useful in healing burns and wounds. It is also is required by certain malignant cell lines in the culture medium as well as for the growth of certain micro-organisms. It is useful in the stimulation of hematopoietic system and promotes the formation of white and red blood cells. It is an active ingredient in medications used to treat dermatitis. 备注
Incompatible with strong oxidizing agents. 基本信息 MDL
MFCD00064228 EINECS
200-296-3 分子式
C6H12N2O4S2 分子量
240.30 熔点
>240° dec. 密度
1.68 灵敏度
Ambient temperatures. 形态
Crystalline powder 溶解性
Soluble in water. Beilstein
1728094 Merck
14,2782 安全信息 RTECS
HA2690000 TSCA
是 |
| C40616 | Alfa Aesar | L-Cystine | specified according to the requirements of Ph.Eur. | 693元/25g; 1835元/100g; 14641元/1kg; | 展开 |
基本信息 Ref#
40616 MDL
64228 分子式
C6 H12 N2 O4 S2 分子量
240.3 |
| C11180 | Alfa Aesar | L-Cystine | 99% | 1717元/100g; 5936元/500g; 37798元/2.5kg; | 展开 |
基本信息 Ref#
11180 MDL
64228 分子式
C6 H12 N2 O4 S2 分子量
240.3 |
| BP377-100 | Alfa Aesar | L-CYSTINE 100G | | 736元/100g; | 展开 |
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| C8755 | Sigma-Aldrich | L-Cystine | ≥98% (TLC), crystalline | 1432.38元/100 G; 4355.49元/500 G; 6740.35元/1 KG; | 展开 |
产品说明 应用 -胱氨酸已用于体外胱氨酸溶解度测定，以确定影响胱氨酸溶解度的潜在药物。它还被用作磷酸盐缓冲盐水的补充，用于切片和清洗假体周围的组织。 包装 1 kg in poly bottle
100, 500 g in poly bottle 生化/生理作用 半胱氨酸是蛋白质中二硫键的来源，并在硫转运中发挥作用。在生理酸碱度下，它经历快速氧化形成胱氨酸。-胱氨酸对动脉平滑肌细胞的产氧和低密度脂蛋白修饰至关重要。它在谷胱甘肽的合成中也有作用。 基本信息 | 线性分子式 | [-SCH2CH(NH2)CO2H]2 | | 分子量 | 240.30 | | Beilstein | 1728094 | | EC 号 | 200-296-3 | | MDL编号 | MFCD00064228 | | eCl@ss | 32160406 | | PubChem化学物质编号 | 24893101 | | NACRES | NA.26 |
产品性质 | 质量水平 | 200 | | 生物来源 | human hair | | 测定 | ≥98% (TLC) | | 形式 | crystalline | | 颜色 | white to off-white | | mp | >240 ℃ (dec.) (lit.) | | 溶解性 | 1 M HCl: 50 mg/mL, clear, colorless to faintly yellow | | application(s) | cell analysis
peptide synthesis | | 储存温度 | room temp | | SMILES string | N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
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| C7602 | Sigma-Aldrich | L-Cystine | from non-animal source, meets EP testing specifications, suitable for cell culture, 98.5-101.0% | 300.03元/10 MG; 479.23元/25 G; 1365.11元/100 G; 8228.28元/1 KG; | 展开 |
产品说明 应用 L-胱氨酸已被用作星形胶质细胞条件培养基的补充剂，用于培养脑星形胶质细胞。它已被用于多种技术，如HPLC-FD、UHPLC-UV、UHPLC-MS和三重四极杆串联质谱(UHPLC-MS/MS)，以区分蓝藻神经毒素BMAA(β-N-甲基氨基-L-丙氨酸)与其他二氨基酸。
L-胱氨酸已被用作卵母细胞培养基的补充剂，用于改善卵母细胞成熟和胚胎发育的单性生殖。 包装 10 mg in glass bottle
25, 100 g in poly bottle
1 kg in poly bottle 生化/生理作用 胱氨酸尿症的特征在于L-胱氨酸的肾转运和排泄。半胱氨酸是与生长、繁殖、维持和免疫相关的功能性氨基酸之一。半胱氨酸是蛋白质中二硫键的来源，并且与硫转运有关。在生理pH下，半胱氨酸经过快速氧化，形成胱氨酸。半胱氨酸或胱氨酸的可用性降低，会影响白细胞代谢。L-胱氨酸是动脉平滑肌细胞的氧气产生和LDL(低密度脂蛋白)修饰所必需的。 其他说明 Scripps Center for Metabolomics(斯克里普斯代谢组学中心)独立生成的串联质谱数据，可以PDF格式查看或下载。 C7602.pdf 经测试的代谢物被收录在Scripps代谢组学中心METLIN代谢物数据库中。更多信息请见sigma.com/metlin。 基本信息 | 线性分子式 | [-SCH2CH(NH2)CO2H]2 | | 分子量 | 240.30 | | Beilstein | 1728094 | | EC 号 | 200-296-3 | | MDL编号 | MFCD00064228 | | eCl@ss | 32160406 | | PubChem化学物质编号 | 24892973 | | NACRES | NA.26 |
产品性质 | 质量水平 | 200 | | 生物来源 | non-animal source | | agency | meets EP testing specifications | | 产品线 | BioXtra | | 测定 | 98.5-101.0% | | 形式 | powder | | technique(s) | cell culture | mammalian: suitable | | 杂质 | endotoxin, tested | | 颜色 | white to off-white | | mp | >240 ℃ (dec.) (lit.) | | 溶解性 | 1 M HCl: 100 mg/mL | | web metadata keyword.default | L-amino acid, active isomer, non-essential amino acid | | application(s) | peptide synthesis | | SMILES string | N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
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| 30200 | Sigma-Aldrich | L-Cystine | ≥99.7% (TLC) | 430.25元/25 G; 1437.69元/100 G; 3609.42元/500 G; | 展开 |
产品说明 应用 L-胱氨酸已被用于制备原液，该原液又通过光谱荧光流动注射法用于测定药物制剂以及尿液样品中的L-半胱氨酸和L-胱氨酸。 生化/生理作用 胱氨酸是合成保护细胞免受氧化应激的谷胱甘肽所必需的。一种特殊的 x (c)-半胱氨酸/谷氨酸反向转运蛋白可介导细胞摄取半胱氨酸以交换谷氨酸。半胱氨酸摄取抑制诱导神经元细胞毒性。 其他说明 用于 N,N′-二苯甲酰基-L-胱氨酸的制备，酮不对称还原的高效辅助剂 基本信息 | 线性分子式 | [-SCH2CH(NH2)CO2H]2 | | 分子量 | 240.30 | | Beilstein | 1728094 | | EC 号 | 200-296-3 | | MDL编号 | MFCD00064228 | | eCl@ss | 32160406 | | PubChem化学物质编号 | 329753347 | | NACRES | NA.26 |
产品性质 | 质量水平 | 200 | | 测定 | ≥99.7% (TLC) | | 形式 | powder or crystals | | 旋光性 | [α]20/D −219±5°, c = 1% in 1 M HCl | | 灼烧残渣 | ≤0.1% (as SO4) | | 缺失 | ≤0.1% loss on drying | | 颜色 | white | | mp | >240 ℃ (dec.) (lit.) | | 溶解性 | 1 M HCl: 0.5 g/10 mL, clear, colorless | | 痕量阴离子 | chloride (Cl-): ≤500 mg/kg
sulfate (SO42-): ≤100 mg/kg | | 痕量阳离子 | Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤6 mg/kg
Fe: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤150 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg | | application(s) | peptide synthesis | | SMILES string | N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
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| C5735 | SAFC | L-Cystine | | 3154.96元/100 G; 7853.5元/1 KG; 55671.7元/10 KG; | 展开 |
基本信息 | 线性分子式 | [-SCH2CH(NH2)CO2H]2 | | 分子量 | 240.30 | | Beilstein | 1728094 | | EC 号 | 200-296-3 | | MDL编号 | MFCD00064228 | | PubChem化学物质编号 | 24892581 | | NACRES | NA.26 |
产品性质 | 生物来源 | non-animal source | | 测定 | ≥98.5% | | manufacturer/tradename | Ajinomoto | | technique(s) | cell culture | mammalian: suitable | | 杂质 | endotoxin, tested | | mp | >240 ℃ (dec.) (lit.) | | 溶解性 | 1 M HCl: 100 mg/mL | | 适用性 | suitable for manufacturing use | | application(s) | pharmaceutical (small molecule) | | SMILES string | N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
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| 49603 | Supelco | L-Cystine | certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland | 1793.89元/100 mg; | 展开 |
产品说明 一般描述 This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.
L-Cystine belongs to the amino acid group and is found to be optically active due the presence of chiral centers and a wide range of hydrogen bonding network, which tends to enhance its optical properties. It can serve as an important source of L-cysteine and other sulfur containing amino acids, thus acting like a substitute for L-methionine. 应用 Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. 包装 Bottomless glass bottle. Contents are inside inserted fused cone. 法律信息 TraceCERT is a registered trademark of sigma-aldrich Co. LLC 基本信息 | 线性分子式 | [-SCH2CH(NH2)CO2H]2 | | 分子量 | 240.30 | | Beilstein | 1728094 | | EC 号 | 200-296-3 | | MDL编号 | MFCD00064228 | | eCl@ss | 32160406 | | PubChem化学物质编号 | 329757485 | | E编号 | E921 | | NACRES | NA.24 |
产品性质 | 质量水平 | 300 | | 等级 | certified reference material
TraceCERT® | | 产品线 | TraceCERT® | | analyte chemical class(es) | amino acids, peptides, proteins | | 储存条件 | under inert gas | | technique(s) | HPLC: suitable
gas chromatography (GC): suitable | | mp | >240 ℃ (dec.) (lit.) | | application(s) | cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care | | 格式 | neat | | SMILES string | N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
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| 779539 | Sigma-Aldrich | L-Cystine | produced by Wacker Chemie AG, Burghausen, Germany, ≥98.5% | 234.31元/100 G; 2225.86元/1 KG; 26856.6元/25 KG; | 展开 |
产品说明 一般描述 This product is supplied from Wacker FERMOPURE® material, but is sold for R&D use only, not for drug, household or other uses.
L-Cystine is an amino acid mainly found in the keratin of hair. 应用 L-Cystine can be used as a starting material for the synthesis of d-biotin, aromatic-bridged cystine cyclic peptides (cystinophanes), chiral imidazolidine disulfides and biodegradable PEGylated gadolinium-diethylenetriamine pentaacetic acid (Gd-DTPA) L-cystine copolymers. 法律信息 FERMOPURE is a registered trademark of Wacker Chemie AG 基本信息 | 线性分子式 | [-SCH2CH(NH2)CO2H]2 | | 分子量 | 240.30 | | Beilstein | 1728094 | | EC 号 | 200-296-3 | | MDL编号 | MFCD00064228 | | PubChem化学物质编号 | 329768048 | | NACRES | NA.22 |
产品性质 | 质量水平 | 200 | | 等级 | produced by Wacker Chemie AG, Burghausen, Germany | | 测定 | ≥98.5% | | 旋光性 | [α]/D -224 to -218° | | reaction suitability | reaction type: solution phase peptide synthesis | | 杂质 | ≤0.02% ammonium
≤0.2% ninhidrin positive substances (each)
≤10 ppm heavy metals | | 灼烧残渣 | ≤0.1% | | 缺失 | ≤0.2% loss on drying | | mp | >240 ℃ (dec.) (lit.) | | 痕量阴离子 | chloride (Cl-): ≤200 ppm
sulfate (SO42-): ≤300 ppm | | 痕量阳离子 | As: ≤1 ppm
Fe: ≤10 ppm
Pb: ≤5 ppm | | 适用性 | clear, colorless for appearance of solution | | SMILES string | N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
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| 1.02837 | Millipore | L-Cystine | for biochemistry | 476.94元/25 G; 588.4元/100 G; 4818.27元/1 KG; 26679.8元/10 KG; | 展开 |
产品说明 分析说明 Assay (bromatometric, calculated on dried substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, fine-crystalline powder
Appearance of solution (0.2 mol/l, hydrochloric acid 1 mol/l): clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): -220.0 to - 225.0
Chloride (Cl): ≤ 0.02 %
Sulfate (SO₄): ≤ 0.05 %
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Co (Cobalt): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
Zn (Zinc): ≤ 0.0005 %
NH₄ (Ammonium): ≤ 0.01 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances: ≤ 0.3 %
Loss on drying (105 °C; 3 h): ≤ 0.3 % 基本信息 | 经验(实验)分子式 | C6H12N2O4S2 | | 分子量 | 240.30 | | MDL编号 | MFCD00064228 | | EC索引号 | 200-296-3 |
产品性质 | 质量水平 | 100 | | 形式 | solid | | mp | 261-262 ℃ (decomposition) | | 溶解性 | insoluble 0.19 g/L | | 密度 | 1.677 g/cm3 at 20 ℃ | | 堆积密度 | 300 kg/m3 | | 储存温度 | 2-30℃ | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
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| C3300000 | | Cystine | European Pharmacopoeia (EP) Reference Standard | 1572.27元/ ; | 展开 |
产品说明 一般描述 This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia. 包装 Unit quantity: 100 mg. Subject to change. The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue. 注意 Please find SDS provided by EDQM here.. 其他说明 Sales restrictions may apply. 基本信息 | 线性分子式 | [-SCH2CH(NH2)CO2H]2 | | 分子量 | 240.30 | | Beilstein | 1728094 | | MDL编号 | MFCD00064228 | | PubChem化学物质编号 | 329775034 | | NACRES | NA.24 |
产品性质 | 等级 | pharmaceutical primary standard | | manufacturer/tradename | EDQM | | mp | >240 ℃ (dec.) (lit.) | | application(s) | pharmaceutical (small molecule) | | 格式 | neat | | SMILES string | N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
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| RES1520C-A7 | SAFC | L-Cystine | | 9628.73元/1 PKG; 63504.9元/1 PKG; | 展开 |
产品说明 一般描述 如需获取此产品的相关文档，请联系客户支持并选择“产品文档”。请注意，需要签署保密协议才能获取该产品的相关文档。 应用 L-胱氨酸是一种含硫的非必需氨基酸。它用作治疗性重组蛋白和单克隆抗体的商业生物制造的细胞培养基成分和原料。 包装 该产品有以下包装尺寸：
RES1520C-A701X：100gm 包装
RES1520C-A702X：1kg 包装
RES1520C-A704X：10kg 包装
RES1520C-A705X：25kg 包装 基本信息 | 线性分子式 | [-SCH2CH(NH2)CO2H]2 | | 分子量 | 240.30 | | Beilstein | 1728094 | | EC 号 | 200-296-3 | | MDL编号 | MFCD00064228 | | PubChem化学物质编号 | 329824261 | | NACRES | NA.21 |
产品性质 | 生物来源 | synthetic | | 测定 | 98.5-101.0% dry basis | | 形式 | powder | | technique(s) | cell culture | mammalian: suitable | | 杂质 | endotoxin, tested | | mp | >240 ℃ (dec.) (lit.) | | 适用性 | suitable for manufacturing use | | 异质活性 | Cytotoxicity; tested | | SMILES string | N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
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| 2470 | Millipore | L-Cystine-CAS 56-89-3-Calbiochem | | 678.69元/25 G; | 展开 |
产品说明 一般描述 Non-essential amino acid for human development. Has an optimal pH of 5.0-6.5. 包装 25 g in Glass bottle 警告 Toxicity: Standard Handling (A) 制备说明 Solubility may be enhanced by lowering the pH to <2.0 or raising the pH to >8.0. 法律信息 CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany 基本信息 | 经验(实验)分子式 | C6H12N2O4S2 | | 分子量 | 240.30 | | MDL编号 | MFCD00064228 |
产品性质 | 质量水平 | 100 | | 测定 | ≥98% (Macro-Kjeldahl method) | | 形式 | crystalline powder
crystals | | 旋光性 | [α]20/D -218 to -224°, c = 2 in 1 M HCl | | manufacturer/tradename | Calbiochem® | | 储存条件 | OK to freeze | | 颜色 | white | | 痕量阴离子 | chloride (Cl-): ≤0.02%
sulfate (SO42-): ≤0.02% | | 痕量阳离子 | As: ≤1 ppm
NH4+: ≤0.02%
heavy metals: ≤10 ppm | | 运输 | ambient | | 储存温度 | 15-25℃ | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
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| NIST143D | | Cystine | NIST® SRM® 143d | 13321.1元/2 G; | 展开 |
产品说明 一般描述 This Standard Reference Material (SRM) is intended primarily for use in validating microchemical procedures for the determination of carbon, hydrogen, nitrogen, and sulfur in organic matter. SRM 143d is pure crystalline cystine supplied in a 2 g unit size. For more information, please refer to the SDS and COA.
SRM 143D_cert SRM 143D _SDS 法律信息 NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology 基本信息 | 线性分子式 | [-SCH2CH(NH2)CO2H]2 | | 分子量 | 240.30 | | Beilstein | 1728094 | | MDL编号 | MFCD00064228 | | PubChem化学物质编号 | 329818707 | | NACRES | NA.24 |
产品性质 | 质量水平 | 100 | | 等级 | certified reference material | | 包装 | pkg of 2 g | | manufacturer/tradename | NIST® | | mp | >240 ℃ (dec.) (lit.) | | application(s) | pharmaceutical (small molecule) | | 格式 | neat | | SMILES string | N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
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| 1161586 | USP | Cystine | United States Pharmacopeia (USP) Reference Standard | 3828.99元/200 MG; | 展开 |
产品说明 一般描述 This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia. 分析说明 These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. 其他说明 USP issued SDS can be found here.
Sales restrictions may apply. 基本信息 | 线性分子式 | [-SCH2CH(NH2)CO2H]2 | | 分子量 | 240.30 | | Beilstein | 1728094 | | MDL编号 | MFCD00064228 | | PubChem化学物质编号 | 329749499 | | NACRES | NA.24 |
产品性质 | 等级 | pharmaceutical primary standard | | manufacturer/tradename | USP | | mp | >240 ℃ (dec.) (lit.) | | application(s) | pharmaceutical (small molecule) | | 格式 | neat | | 储存温度 | 2-8℃ | | SMILES string | N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
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| PHR1323 | Supelco | L-Cystine | Pharmaceutical Secondary Standard; Certified Reference Material | 1359.83元/500 MG; | 展开 |
产品说明 一般描述 L-Cysteine a sulfur-containing, proteingenic non-essential amino acid useful in numerous biological applications.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards. 应用 These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.
L-Cysteine may be used as a pharmaceutical reference standard for the quantification of the analyte in pharmaceutical formulations by chromatography. 分析说明 These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available. 其他说明 This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis. 附注 To see an example of a Certificate of Analysis for this material enter LRAC3784 in the slot below. This is an example certificate only and may not be the lot that you receive. 基本信息 | 线性分子式 | [-SCH2CH(NH2)CO2H]2 | | 分子量 | 240.30 | | Beilstein | 1728094 | | EC 号 | 200-296-3 | | MDL编号 | MFCD00064228 | | PubChem化学物质编号 | 329823308 | | NACRES | NA.24 |
产品性质 | 质量水平 | 300 | | 等级 | certified reference material
pharmaceutical secondary standard | | CofA | current certificate can be downloaded | | technique(s) | HPLC: suitable
gas chromatography (GC): suitable | | mp | >240 ℃ (dec.) (lit.) | | application(s) | pharmaceutical (small molecule) | | 格式 | neat | | 药典可追溯性 | traceable to PhEur C3300000
traceable to USP 1161586 | | 储存温度 | 2-30℃ | | SMILES string | N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O | | InChI | 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 | | InChI key | LEVWYRKDKASIDU-IMJSIDKUSA-N |
安全信息 | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 1 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
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| 966149 | Amethyst | L-Cystine | 98%, 用于生化 | 40元/25G; 82元/100G; 269元/500G; | 展开 |
基本信息 | 分子式 | C6H12N2O4S2 | | 分子量 | 240.30 | | 熔点 | >240 | | 比旋光度([α]20D) | -214° to -224° (C=2, 1 M HCl) | | MDL编码 | MFCD00064228 | | Beilstein | 1728094 | | Merck | 14,2782 | | EINECS 编号 | 200-296-3 |
安全信息 | 防范说明 | P262 | | WGK | 3 | | RTECS | HA2690000 | | TSCA | 是 |
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| m06021 | Fluorochem | (H-Cys-OH)2 | = 98% (Titration: anhydrous basis) | 220元/1g; 264元/25g; 506元/100g; 968元/250g; 2596元/1kg; | 展开 |
基本信息 | CAS Number | 56-89-3 | | MDL Number | MFCD00064228 | | Melting Point | 261℃ |
安全信息 | 图形或危害标志 |  | | 危险性说明 | H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
| | 防范说明 | P233: Keep container tightly closed.
P260: Do not breathe .
P261: Avoid breathing .
P264: Wash hands thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear .
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing..
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P321: Specific treatment (see relevant procedures. on this label).
P332 + P313: If skin irritation occurs: Get medical advice/ attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P362: Take off contaminated clothing and wash before reuse.
P403: Store in a well-ventilated place.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container to in accordance with local regulation .
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