产品服务
PRODUCT 卡比多巴
中文通用名 | :卡比多巴 |
用途类型 | : 脱羧酶抑制药 |
规格 | :USP/EP |
HS Code | :29280000.90 |
- Tel: +86-532-83876123
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化学性质
结构式 | |
CAS | :38821-49-7 |
分子式 | :C10H14N2O4H2O |
用途 | :卡比多巴具有较强的外周多巴脱羧酶抑制剂,不易透过血脑屏障。与左旋多巴联合应用,用于帕金森病和帕金森综合征。卡比多巴单用无效,临床上通常将卡比多巴与左旋多巴按1:10或1:4比例配伍制成复方制剂。 |
技术参数
Items | Standard |
---|---|
Appearance | White to off-white, ordorless,crystalline powder |
Solubility | Meet the requirement |
Identification | A. IR: The samples comparing with the spectrum obtained with standard. B. Absorbance: 3% value the standard. C. RT: The chromatogram RT of sample comparing with th eobtained of levodopa standard. |
Specific rotation | -160~-167° |
Loss on drying | ≤0.5% |
Residue on ignition | ≤0.1% |
Heavy Metals | ≤0.002% |
Ralated compounds | Levodopa related compounds A ≤0.1% L-Tyrosine ≤0.1% 3-Methoxytyrosine≤0.5% Unknown impurities ≤0.1% Total impurities ≤1.1% |
Residual solvents | Meet the requirement |
Assay | 98.0~102.0% |
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