CAS number: 135046-48-9
Molecular formula: C16H16ClNO2S.H2O4S
molecular weight: 419.9
Chemical structure:
TESTS | SPECIFICATION | RESULT |
Description | White to off-white powder | Off-white powder |
Solubility | Freely soluble in pH1, Practically insoluble at neutral pH. | Complies |
Identification | ||
a. IR absorption | The IR Spectrum of Sample concordant with that of working standard spectrum | Conforms |
b. HPLC | The retention time of the major peak in the chromatogram of Assay preparation corresponds to that in the chromatogram of the Standard preparation as obtained in the Assay. | Conforms |
c. Sulfate | It responds to the test for sulfate | Conforms |
Loss on drying | NMT 0.50% w/w | |
Residue on ignition | NMT 0.10% w/w | 0.03%w/w |
Related Compounds (By HPLC) | ||
Related Compound A | NMT 0.20% | ND |
Related Compound B | NMT 0.30% | Below limit |
Related Compound C | NMT 0.5% | |
Any other Impurity | NMT 0.10% | Below limit |
Total Impurities | NMT 0.50% | Below limit |
Assay on dried basis (By HPLC ) | NLT 97.00% and 101.50% |