243005

L-Cysteine, Free Base

Naturally-occurring non-essential amino acid.

• 别名: L-Cysteine, Free Base, Cys
• 经验公式（希尔记法）: C₃H₇NO₂S
• CAS号: 52-90-4
• 分子量: 121.16
• MDL编号: MFCD00064306
• UNSPSC代码: 12352209
• NACRES: NA.54

属性

• 描述: Merck USA index - 14, 2781
• 质量水平: 100
• 方案: ≥98% (perchloric acid titration)
• 表单: solid
• 旋光性: [α]20/D +8 to +9°, c = 5 in 1 M HCl
• 制造商/商品名称: Calbiochem^®
• 储存条件: OK to freeze
• 杂质: ≤100 CFU/g Total microorganisms; ≤24 EU/g Endotoxin
• 颜色: white
• 溶解性: water: 10 mg/mL; 1 M HCl: 50 mg/mL
• 痕量阳离子: Fe: ≤10 ppm; heavy metals (as Pb): ≤0.001%
• 运输: ambient
• 储存温度: 15-25°C
• SMILES字符串: SCC([N+H3])C(=O)[O-]
• InChI: 1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)
• InChI key: XUJNEKJLAYXESH-UHFFFAOYSA-N

说明

一般描述

Naturally occurring non-essential amino acid.

Naturally-occurring non-essential amino acid.

包装

Packaged under inert gas

警告

Toxicity: Harmful (C)

重悬

Aqueous stock solutions are stable for up to 24 h at -20°C. Acidic stock solutions, when aliquoted and stored at -20°C, are stable for up to 1 month.

法律信息

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

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