CAS 200936-87-4; n-(tert-butoxycarbonyl)-l-leucine monohydrate

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产品名称

规格

包装、参考价格

S848867

MACKLIN

N-Boc-亮氨酸一水合物

95%

25元/1g; 30元/10g; 45元/25g; 75元/100g; 320元/500g;

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储存：2-8°C
状态：白色固体

S799190

MACKLIN

N-Boc-亮氨酸一水合物

99%

70元/25g; 223元/100g;

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储存：2-8°C

B1187

TCI

N-(tert-Butoxycarbonyl)-L-leucine Monohydrate

>99.0%(T)

155元/5G; 380元/25G;

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基本信息

纯度/分析方法	>99.0%(T)
分子式/分子量	C₁₁H₂₁NO₄・H₂O = 249.31
外观与形状(20℃)	固体
相关CAS RN	13139-15-6
Reaxys-RN	1711814
PubChem物质ID	87564124
MDL编号	MFCD00066067

技术规格

Appearance	White to Almost white powder to crystal
Purity(Neutralization titration)	min. 98.0 %
Melting point	85.0 to 88.0 ℃
Specific rotation [a]20/D	-24.0 to -26.0 deg(C=2, AcOH)
Solubility in Acetic acid	almost transparency
Water	6.0 to 8.0 %

物性(参考值)

熔点	87 ℃
比旋光度 [α]D	-25° (C=2,AcOH)

186630

J&K

Boc-L-leucine monohydrate

99%

60元/5G; 82元/25G;

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基本信息

分子式	C₁₁H₂₁NO₄·H₂O
分子量	249.31
熔点	85-90
比旋光度([α]20D)	-27.5° to -22.5° (C=2, Glacial acetic acid)
MDL编码	MFCD00066067
Beilstein	1711814
EINECS 编号	236-073-2

安全信息

防范说明	P262
WGK	3
TSCA	是

8.53002

Sigma-Aldrich

Boc-Leu-OH . H₂O

Novabiochem^®

1239.43元/100 G;

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产品说明

一般描述

The product number for this product was previously 04-12-0005.

To obtain a certificate of analysis (CoA) of a lot that begins with the letter “A”, please select the option in the right hand menu “Request a COA for Lot#s starting with A”.

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Replaces: 04-12-0005

分析说明

Color (visual): white to slight yellow to beige
Appearance of substance (visual): powder
Identity (IR): passes test
Optical rotation α 25/D (c=2 AcOH): -26.5 - -21.5 °
Purity (TLC(011A)): ≥ 98 %
Solubility (1 mmole in 2 ml DMF): clearly soluble
For TLC-Systems see our General Catalog

法律信息

Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany

基本信息

经验(实验)分子式	C₁₁H₂₁NO₄ · xH₂O
分子量	231.29 (anhydrous basis)
EC索引号	236-073-2

产品性质

质量水平	200
产品线	Novabiochem^®
测定	≥98% (TLC)
形式	powder
reaction suitability	reaction type: Boc solid-phase peptide synthesis
manufacturer/tradename	Novabiochem^®
application(s)	peptide synthesis
储存温度	2-30℃

安全信息

储存分类代码	11 - Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable

300510

Fluorochem

Boc-L-Leucine hydrate

95%

220元/1g; 286元/25g; 770元/100g;

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基本信息

CAS Number	200936-87-4
MDL Number	MFCD00066067
Melting Point	85 - 87 ℃

安全信息

图形或危害标志
危险性说明	H302: Harmful if swallowed. H315: Causes skin irritation. H319: Causes serious eye irritation. H332: Harmful if inhaled. 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. P270: Do not eat, drink or smoke when using this product. P271: Use only outdoors or in a well-ventilated area. P280: Wear . P301 + P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. 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). P330: Rinse mouth. 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 .