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CAS RN: 921-01-7 | 产品编码: C1916
D-Cysteine
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| 产品编码 | C1916 |
纯度/分析方法 
|
>95.0%(T) |
| 分子式/分子量 | C3H7NO2S = 121.15 |
| 外观与形状（20°C） | 固体 |
| 储存温度
|
室温 (15°C以下阴凉干燥处) |
| 储存在惰性气体下 | 存放于惰性气体之中 |
| 应避免的情况 | 光,空气 |
| CAS RN | 921-01-7 |
| Reaxys-RN | 1721407 |
| MDL编号 | MFCD00066461 |
技术规格
| Appearance | White to Light yellow powder to crystal |
| Purity(Redox Titration) | min. 95.0 % |
| Specific rotation | -7.0 to -9.0 deg(C=8, 1MHClaq.) |
| NMR | confirm to structure |
物性（参考值）
| 熔点 | 230 °C |
GHS
| 象形图 |
|
| 信号词 | Warning |
| 危险性说明 | H302 : Harmful if swallowed. |
| 防范说明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P270 : Do not eat, drink or smoke when using this product. P264 : Wash skin thoroughly after handling. P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth. |
相关法规
运输信息
| HS编码* | 2930.90-900 |
应用
Spore Germination Inhibitor
L-Cysteine (C0515) is one of the amino acids known as a bacterial spore germinant.1) It has been reported that D-cysteine failed to induce germination of Clostridium sporogenes or C. botulinum spores, but prevented germination induced by L-cysteine.2)
References
- 1) Cooperativity Between Different Nutrient Receptors in Germination of Spores of Bacillus subtilis and Reduction of This Cooperativity by Alterations in the GerB Receptor
- 2) Functional Characterisation of Germinant Receptors in Clostridium botulinum and Clostridium sporogenes Presents Novel Insights into Spore Germination Systems
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