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L-Cysteine, Free Base-CAS 52-90-4-Calbiochem
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4075620 | 25 G | 910 | |||
| 4075620 | 100 G | 2530 | |||
| 4075620 | 1 KG | 6810 |
产品别名
52-90-4
L-Cysteine, Free Base-CAS 52-90-4-Calbiochem
Cys
基本信息
| Empirical Formula【经验(实验)分子式】 | C3H7NO2S |
| Molecular weight | 121.16 |
| MDL number | MFCD00064306 |
| General description【一般描述】 | Naturally-occurring non-essential amino acid. Naturally occurring non-essential amino acid. |
| Warning【警告】 | Toxicity: Harmful (C) |
| Reconstitution【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. |
| Legal Information【法律信息】 | CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany |
产品性质
| Quality Level【质量水平】 | 100 |
| Assay【测定】 | ≥98% (perchloric acid titration) |
| form【形式】 | solid |
| optical activity【旋光性】 | [α]20/D +8 to +9°, c = 5 in 1 M HCl |
| manufacturer/tradename | Calbiochem® |
| storage condition【储存条件】 | OK to freeze |
| impurities【杂质】 | ≤100 CFU/g Total microorganisms ≤24 EU/g Endotoxin |
| color【颜色】 | white |
| solubility【溶解性】 | water: 10 mg/mL 1 M HCl: 50 mg/mL |
| cation traces【痕量阳离子】 | Fe: ≤10 ppm heavy metals (as Pb): ≤0.001% |
| shipped in【运输】 | ambient |
| storage temp.【储存温度】 | 15-25℃ |
| InChI | 1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6) |
| InChI key | XUJNEKJLAYXESH-UHFFFAOYSA-N |
| packaging【包装】 | 25 g in Plastic ampoule 1 kg in Glass bottle 100 g in Glass bottle Packaged under inert gas |
安全信息
| Storage Class Code【储存分类代码】 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
