3-Chloro-1-methyl-1H-pyrazole CAS 63425-54-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 63425-54-7 |
| Molecular Formula | C4H5ClN2 |
| Molecular Weight | 116.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-1-methyl-1H-pyrazole (CAS 63425-54-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5ClN2. Molecular weight: 116.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5ClN2 |
| Molecular Weight | 116.55 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 1092682-87-5 4-CHLORO-3-METHYL-1H-PYRAZOLE SC-32661 (CAS 1092682-87-5)
- 3-Chloro-4-methyl-1H-pyrazole (CAS 134589-56-3)
- 4-Chloro-3-methyl-1H-pyrazole (CAS 15878-08-7)
- 5-Chloro-3-methyl-1H-pyrazole (CAS 15953-45-4)
- 4-Chloro-2-methyl-1H-imidazole (CAS 16265-06-8)
- 2-Chloro-5-methyl-1h-imidazole (CAS 909086-61-9)
- 4-Chloro-1-methylpyrazole (CAS 35852-81-4)
- 5-Chloro-1-methyl-1H-pyrazole (CAS 42110-76-9)
Recommended Standards
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- 1-(3-Bromopyridin-2-yl)-2,2,2-trifluoroethanone (CAS 1060802-27-8)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com