We are selling the following pharm and intermediates with very good price and excellent quality:
S-Adenosyl-L-methionine 1, 4-butanedisulfonate with GMP and DMF
Certificate of Analysis
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Product Name:
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S-Adenosyl-L-methionine
1, 4-butanedisulfonate
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Batch Number:
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20080501
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Country of origin:
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China
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Testing Date:
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2008-05-01
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Item
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Specification
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Results
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Appearance:
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A white or almost white powder
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Conform
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Identification
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Conform
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Conform
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Clarity and color of solution
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Conform
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Conform
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Ph(acid value)
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1.5-2.5
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2.1
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Heavy metal content
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≤10ppm
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Conform
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Water content
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≤6.0%
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4.2%
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S-adenosyl-L-Homocystein
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≤5.0%
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Conform
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Methithioadenosine
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≤2.0%
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Conform
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Adenine
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≤0.5%
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Conform
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Total of impurities
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≤4.0%
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Conform
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(S,S)Isomer
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>65.0% (HPLC)
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89.7%
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Butanedisulfonate
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≤53.0% (by chemical)
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46.5%
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Ademetionine ion (HPLC)
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45.0%--55.0%
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52.1%
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Endotoxins
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≤0.35 EU/mg
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Conform
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Total plate count
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≤1000/g
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Conform
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Yeast and mould
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≤100/g
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Conform
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Staphylococcus aureus
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Negative
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Conform
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E.coli
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Negative
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Conform
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Salmonella
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Negative
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Conform
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Pseudomonas aeruginosa
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Negative
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Conform
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