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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


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


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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