D-半胱氨酸 [921-01-7]
-
英文名:D-Cysteine
- 别名:(S)-2-氨基-3-巯基丙酸 D-半胱氨酸碱
- CAS号:921-01-7 分子式:C3H7NO2S 分子量:121.16
P247216-100g D-半胱氨酸 [921-01-7] 98.5% 100g 1200.00
P247215-50g D-半胱氨酸 [921-01-7] 98.5% 50g 620.00
P247214-25g D-半胱氨酸 [921-01-7] 98.5% 25g 365.00
P247217-5g D-半胱氨酸 [921-01-7] 98.5% 5g 210.00
P247215-50g D-半胱氨酸 [921-01-7] 98.5% 50g 620.00
P247214-25g D-半胱氨酸 [921-01-7] 98.5% 25g 365.00
P247217-5g D-半胱氨酸 [921-01-7] 98.5% 5g 210.00
订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
P247216-100g | D-半胱氨酸 [921-01-7] | 98.5% | 100g | 1200.00 | 1200.00 | 登录可见 |
P247216-100g D-半胱氨酸 [921-01-7] 98.5% 100g 1200.00
|
P247215-50g | D-半胱氨酸 [921-01-7] | 98.5% | 50g | 620.00 | 620.00 | 登录可见 |
P247215-50g D-半胱氨酸 [921-01-7] 98.5% 50g 620.00
|
P247214-25g | D-半胱氨酸 [921-01-7] | 98.5% | 25g | 365.00 | 365.00 | 登录可见 |
P247214-25g D-半胱氨酸 [921-01-7] 98.5% 25g 365.00
|
P247217-5g | D-半胱氨酸 [921-01-7] | 98.5% | 5g | 210.00 | 210.00 | 登录可见 |
P247217-5g D-半胱氨酸 [921-01-7] 98.5% 5g 210.00
|
化学性质
熔点 ~230 °C
质量标准
Test Items Standard
Appearance White crystals or crystalline powder
Assay 98.5% to 100.5%
Specific Rotation [α]20/D -5.0~7.0° (C=8 in 1N HCl)
Loss on Drying 8.5% to 12.0%
Residue in Ignition (Sulfate) Not more than 0.10%
Chloride (Cl) 19.89% to 20.29%
Heavy Metals (Pb) Not more than 10 PPM
Appearance White crystals or crystalline powder
Assay 98.5% to 100.5%
Specific Rotation [α]20/D -5.0~7.0° (C=8 in 1N HCl)
Loss on Drying 8.5% to 12.0%
Residue in Ignition (Sulfate) Not more than 0.10%
Chloride (Cl) 19.89% to 20.29%
Heavy Metals (Pb) Not more than 10 PPM
危险性质
危险品标志 Xi,Xn
危险类别码 36/37/38-20/21/22
安全说明 26-36-37/39
用途及存储
用于有机合成
密封干燥保存。