6-Chloro-4-Hydroxy-3-Phenyl-Pyridazine CAS 40020-01-7
Purity >95%In StockPharmaceutical Standards
| CAS No. | 40020-01-7 |
| Molecular Formula | C10H7ClN2O |
| Molecular Weight | 206.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-4-Hydroxy-3-Phenyl-Pyridazine (CAS 40020-01-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H7ClN2O. Molecular weight: 206.63 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H7ClN2O |
| Molecular Weight | 206.63 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Cenobamate Impurity 33 (CAS CATO-C4X-241633)
- 3,3-Difluoro-2,2-dimethylpropane-1-sulfonyl chloride (CAS 1781448-62-1)
- Cenobamate Impurity 14 (CAS CATO-C4X-241614)
- (S)-2-Amino-1-{2-[(cyclopropyl-methyl-amino)-methyl]-piperidin-1-yl}-propan-1-one (CAS 1354027-82-9)
- 3-(Bromomethyl)-4-methoxythiophene (CAS 856937-74-1)
- tert-Butyl 6-amino-3-((4-methylpiperazin-1-yl)methyl)-1H-indazole-1-carboxylate (CAS 887590-50-3)
- tert-Butyl (1-benzylazetidin-3-yl)carbamate (CAS 1000577-78-5)
- Methyl 6,7-dihydro-5H-pyrrolo[2,1-c][1,2,4]triazole-5-carboxylate (CAS 1259055-46-3)
- N-(4-Methylpyridin-2-yl)isonicotinamide (CAS 329042-35-5)
- Semaglutide impurity 54 (CAS CATO-C4X-222654)
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