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D-半胱氨酸 [921-01-7]
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英文名:D-Cysteine
- 別名:(S)-2-氨基-3-巰基丙酸 D-半胱氨酸堿
- CAS號: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
訂貨編號 | 商品名稱 | 規(guī)格 | 包裝 | 單價 | 促銷價 | 會員價 | 數(shù)量 |
P247216-100g | D-半胱氨酸 [921-01-7] | 98.5% | 100g | 1200.00 | 1200.00 | 登錄可見 |
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 | 登錄可見 |
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 | 登錄可見 |
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 | 登錄可見 |
P247217-5g D-半胱氨酸 [921-01-7] 98.5% 5g 210.00
|
化學性質(zhì)
熔點 ~230 °C
質(zhì)量標準
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
危險性質(zhì)
危險品標志 Xi,Xn
危險類別碼 36/37/38-20/21/22
安全說明 26-36-37/39
用途及存儲
用于有機合成
密封干燥保存。