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Home > Products >  7-Amino-3-methyl-3-cephem-4-carboxylic acid

7-Amino-3-methyl-3-cephem-4-carboxylic acid CAS NO.22252-43-3

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  • ProName: 7-Amino-3-methyl-3-cephem-4-carboxylic...
  • CasNo: 22252-43-3
  • Molecular Formula: C8H10N2O3S
  • LimitNum: 0

Superiority

appearance white to off-white crystalline powder identification(ir) ir spectrum to exhibits maximum only at the same wavenumbers as that of a simila…

Details

appearance white to off-white crystalline powder identification(ir) ir spectrum to exhibits maximum only at the same wavenumbers as that of a similar preparation of standard sample. absorbance(10% solution in 2n hcl at 425nm) 0.200 absorbance(1% solution in ph=7.0 buffer at 263nm) 350~370 specific rotation(c=0.8, in ph=7.0 buffer) =+150° ~170° loss on drying(oven at 60°c for 4hr) 0.5% assay(hplc) 98.0% packing and storage 25 kgs in double plastic bags in a fiber drum stored below 25°c protected from light and moisture

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