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CAS No: 70288-86-7
Formula and molecular weight
H2B1a: C48H74O14=875.1
H2B1b: C47H72O14=861.
EINECS 274-536-0
Specific optical rotation: -17~ -20 degree,
Relative material: Majors: 2.5% max,
Others: 1% max,
Total impurity: 5.0% max,
Ethanol and formamide: Ethanol: 5.0% max,
Formamide: 3.0% max,
Residue on ignition: 0.1% max,
Heavy metal: 0.002% max,
Water: 1.0% max,
Properties: White or yellowish-white crystalline powder
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