8.16014

(R)-(+)-Cysteine

for synthesis

• 别名: (R)-(+)-Cysteine, α-Amino-ß-mercapto propionic acid, αlpha-Amino-ß-mercapto propionic acid, Cys, αlpha-Amino-beta-mercapto propionic acid
• 经验公式（希尔记法）: C₃H₇NO₂S
• CAS号: 52-90-4
• 分子量: 121.16
• MDL號碼: MFCD00064306
• 分類程式碼代碼: 12352209
• 酶委員會索引編號: 200-158-2
• NACRES: NA.22

属性

• 品質等級: 200
• 形狀: solid
• 自燃溫度: 420 °C
• 效力: 1890 mg/kg LD₅₀, oral (Rat)
• pH值: 4.5-5.5 (20 °C, 100 g/L in H₂O)
• mp: 220-228 °C
• 體積密度: 300 kg/m³
• 儲存溫度: 2-30°C
• SMILES 字串: SCC([N+H3])C(=O)[O-]
• InChI: 1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)
• InChI 密鑰: XUJNEKJLAYXESH-UHFFFAOYSA-N

说明

一般說明

Cysteine is used as a building block in the synthesis of peptides due to its ability to form disulfide bonds. Additionally, it functions as a chiral auxiliary in asymmetric synthesis, facilitating the induction of chirality in the resulting products.

分析報告

Assay (HClO₄): ≥ 98.0 %
Spec. rotation [α²0/D (c=8 in HCl 1 mol/l): +8.0 - +9.5 °
Identity (IR): passes test

安全信息

• 儲存類別代碼: 13 - Non Combustible Solids
• 水污染物質分類（WGK）: WGK 1