Product Description
Specifications
Acarbose 56180-94-0
Cas no.:56180-94-0
Purity: 99% min
MF:C25H43NO18
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Test item
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Specifications
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Description
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A white or yellowish-white crystalline powder
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Identification
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IR.HPLC
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Appearance of solution
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Clear and not ore intensely colored than reference solution BY7
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Specific optical rotation
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-17—-20°
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Related substances
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Impurity with a relative retention of 1.3 to 1.5
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≤2.5%
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Any other impurity(apart from the 2 rincipal peaks)
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≤1.0%
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The sum of all related sub.
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≤5.0%
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Limit of ethanol
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≤5.0%
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Limit of formamide
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≤3.0%
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Heavy metals
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≤20ppm
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water
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≤1.0%
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Sulphated ash
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≤0.1%
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Assay(HPLC, base on drying)
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H2Bla/(H2Bla+H2Blb)≥90.0%
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102.0%)≥(H2Bla+H2Bla) )≥95.0%
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Noto: the assay of Bl and Bla calculated on the moisture, ethanol and formamid free bases
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