5-Chloro-1H-indazole-3-carbohydrazide CAS 1203-97-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1203-97-0 |
| Molecular Formula | C8H7ClN4O |
| Molecular Weight | 210.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-1H-indazole-3-carbohydrazide (CAS 1203-97-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7ClN4O. Molecular weight: 210.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H7ClN4O |
| Molecular Weight | 210.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- Methyl 7-chloro-1H-pyrrolo[2,3-c]pyridine-2-carboxylate (CAS 1196154-40-1)
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- N-(6-Chlorobenzo[d]isoxazol-3-yl)acetamide (CAS 1195331-54-4)
- 4,4',4''-(Benzene-1,3,5-triyl)tris(2-methylbut-3-yn-2-ol) (CAS 105405-52-5)
- (S,S)-BiPybox-ipr (CAS 147409-41-4)
- Tert-butyl n-(2-formylthiophen-3-yl)carbamate (CAS 368442-47-1)
- tert-Butyl (6R)-3-bromo-6-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-5-carboxylate (CAS 1639881-14-3)
- 4-(benzylsulfanyl)-3-nitrobenzoic acid (CAS 82964-59-8)
- 2-Bromo-4-chloro-1-isopropylbenzene (CAS 1369828-32-9)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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