| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | 详情 |
| D804197 | MACKLIN | DL-胱氨酸 | 98% | 30元/1g; 47元/5g; 129元/25g; 391元/100g; | 展开 |
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| C0518 | TCI | Cystine (DL- and meso- mixture) | >98.0%(T)(HPLC) | 360元/1G; 1040元/5G; | 展开 |
基本信息 | 纯度/分析方法 | >98.0%(T)(HPLC) | | 分子式/分子量 | C6H12N2O4S2 = 240.29 | | 外观与形状(20℃) | 固体 | | Reaxys-RN | 1728091 | | PubChem物质ID | 87565635 | | Merck Index (14) | 2782 | | MDL编号 | MFCD00084652 |
技术规格 | Appearance | White to Almost white powder to crystaline | | Purity(HPLC) | min. 98.0 % (total of isomers) | | Purity(Bromination Method) | min. 98.0 % | | Specific rotation [a]20/D | -2.0 to +2.0 deg(C=1,1mol/L HCl) |
物性(参考值) |
| 283698 | J&K | DL-Cystine | 98% | 333元/1G; 941元/5G; 3754元/25G; | 展开 |
基本信息 | 分子式 | C6H12N2O4S2 | | 分子量 | 240.30 | | 熔点 | 227 | | MDL编码 | MFCD00084652 | | Beilstein | 1728095 | | EINECS 编号 | 213-094-5 |
安全信息 |
| C8630 | Sigma-Aldrich | DL-Cystine | | 6587.35元/25 G; | 展开 |
产品说明 包装 1, 5, 25 g in poly bottle 生化/生理作用 DL-Cystine is a racemic mixture of the proteinogenic amino acids L-cystine and the non-proteinogenic D-cystine. DL-cystine is used in the preparation of sulfur-containing dimeric and monomeric surfactants. 基本信息 | 线性分子式 | HOOCCH(NH2)CH2SSCH2CH(NH2)COOH | | 分子量 | 240.30 | | Beilstein | 1728095 | | EC 号 | 213-094-5 | | MDL编号 | MFCD00084652 | | PubChem化学物质编号 | 24893084 | | NACRES | NA.26 |
产品性质 | 测定 | ≥98% (TLC) | | 质量水平 | 100 | | 形式 | powder | | 颜色 | white to off-white | | mp | 227 ℃ (dec.) (lit.) | | 溶解性 | 1 M HCl: soluble | | SMILES string | NC(CSSCC(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) | | InChI key | LEVWYRKDKASIDU-UHFFFAOYSA-N |
安全信息 | 储存分类代码 | 13 - Non Combustible Solids | | WGK | WGK 3 | | 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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| 237045 | Fluorochem | 3,3'-Disulfanediylbis(2-aminopropanoic acid) | 95% | 220元/1g; 396元/5g; 1144元/25g; 3014元/100g; | 展开 |
基本信息 | CAS Number | 923-32-0 | | MDL Number | MFCD00084652 | | Melting Point | 260℃ |
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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