2-Cyano-phenothiazine phenothiazine-2-carbonitrile CAS:38642-74-9
Product name: | 2-Cyano-phenothiazine |
Molecular formula : | C12H9NS |
Molecular weight: | 166.22 |
Item | Standard | Results |
Appearance | Yellow to yellow-green crystalline powder | Yellow crystalline powder |
Identification-Melting pointHPLC | ≥202ºCThe same retain time with reference standard | 203.5ºCConform |
Actonic solution appearance | ≤standard II | Conform |
Assay(HPLC) | ≥98.5% | 99.7% |
Loss of drying | ≤0.5% | 0.1% |
Sulphated ash | ≤0.5% | 0.1% |
Impurity | ||
Sulfoxyde | ≤0.2% | <0.1 |
Amide | ≤0.5% | <0.1 |
Phenothiazine | ≤0.2% | No detected |
2-Chorophenothiazine | ≤0.5% | <0.1 |
2-Bromophenothiazine | ≤0.1% | No detected |
Dimer | ≤0.3% | 0.15% |
Unknow single impurity | ≤0.2% | <0.1 |
Total impurity | ≤1.5% | 0.3% |
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