4-Chloro-1h-pyrazole-3-carbohydrazide CAS 1005584-54-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1005584-54-2 |
| Molecular Formula | C4H5ClN4O |
| Molecular Weight | 160.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-1h-pyrazole-3-carbohydrazide (CAS 1005584-54-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5ClN4O. Molecular weight: 160.56 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5ClN4O |
| Molecular Weight | 160.56 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 4,4,4-TRifluorobutanoyl chloride (CAS 406-91-7)
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- 55718-76-8 B-Chlorocatecholborane MFCD00043395 2-Chloro-1,3,2-benzodioxaborole (CAS 55718-76-8)
- 1,2,4,5,7,8-Hexachloronaphthalene (CAS 103426-92-2)
- 5-Hydroxy-5-(trifluoromethyl)-4,5-dihydro-1h-pyrazole-1-carbothioamide (CAS 219986-56-8)
- 2-Acetyl-5-aminoisonicotinaldehyde (CAS 1393540-20-9)
- n-(2-Bromophenyl)-2-cyanoacetamide (CAS 80277-87-8)
- N-isopropyl-4-(pyrrolidin-2-ylmethoxy)benzamide (CAS 1306738-71-5)
- 4-Ethyl-5-(1-methyl-5-(trifluoromethyl)-1h-pyrazol-3-yl)-4h-1,2,4-triazole-3-thiol (CAS 1001756-37-1)
- Semaglutide impurity 22(OtBu-Ste-γGlu(OtBu)-AEEA-AEEA-OH) (CAS 1118767-16-0)
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