D-Penicillamine

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D-Penicillamine
Posting date : Jul 19, 2007
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HS-CODE
30-
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Detailed Description
Common Name: D-Penicillamine Formula: C5H11NO2S Other name: D-3-mercapto-valine Chemical name: (2S)-2-amino-3-methyl-3-mercapto butyric acid Packaging: 10kg in a two layer medicinal polyethylene bag and a medicinal multiple bag, 20kg in fiber drum. Specification: Molecular Formula C5H11NO2S Molecular weight 149.2 Characteristics White or almost white, crystalline powder, freely soluble in water, slightly soluble in alcohol, practically insoluble in ether. Identification Positive Specifications optical rotation -61.0°~ -65.0° PH 4.5 ~ 5.5 Loss on drying ≤0.5% Sulphated ash ≤ 0.1% Heavy metals ≤20ppm Penicillin ≤0.1ppm Penicillamine disulphide ≤1% Mercury ≤10ppm Ultraviolet - absorbing substance 268nm≤0.07 Assay 98.0 - 101.0% Currency: USD Unit Price: by order Quantity: 100kg Delivery: prompt delivery

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