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63589-25-3 4-Diazo-3,4-Dihydro-7-Nitro-3-Oxo-1-Naphthalenesulfonic Acid 4-diazo-3,4-dihydro-7-nitro-3-oxonaphthalene-1-sulphonic acid
CAS No. | 63589-25-3 |
Other Names | 4-diazo-3,4-dihydro-7-nitro-3-oxonaphthalene-1-sulphonic acid |
MF | C10H5N3O6S |
Type | Agrochemical Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates |
Purity | 99min% |
Test Item | Standard: USP |
Identification |
IR spectrum similar to that of RS |
HPLC retention time similar to that of RS |
|
Related substance |
Total impurities: NMT0.3% |
Single impurity: NMT0.1% |
|
Heavy metals |
NMT 10ppm |
Loss on drying |
NMT0.5% |
Residue on ignition |
NMT0.1% |
Assay |
98.5%-101.0% |
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