1-Methyl-1H-pyrazole-5-carbonitrile CAS 66121-72-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66121-72-0 |
| Molecular Formula | C5H5N3 |
| Molecular Weight | 107.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Methyl-1H-pyrazole-5-carbonitrile (CAS 66121-72-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H5N3. Molecular weight: 107.11 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H5N3 |
| Molecular Weight | 107.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 1H-Imidazole-2-carbonitrile, 5-methyl- (CAS 70631-95-7)
- 1-Methylpyrazole-4-carbonitrile (CAS 66121-71-9)
- 1H-imidazol-2-ylacetonitrile (CAS 23184-45-4)
- 1-(3-Butoxy-4-methoxyphenyl)ethan-1-one (CAS 104249-95-8)
- 2-Chloro-N-(4-(piperidin-1-yl)phenyl)acetamide (CAS 379255-22-8)
- 6-(Thiophen-2-yl)-4-(trifluoromethyl)pyridazin-3(2h)-one (CAS 866474-41-1)
- 3-Fluoro-4-((trifluoromethyl)thio)benzoic acid (CAS 1208080-44-7)
- (2Z)-N-(4-Bromo-2-methylphenyl)-3-(naphthalen-1-yl)prop-2-enamide (CAS 329779-59-1)
- n-(3-Cyanobenzyl)-3,3,3-trifluoropropanamide (CAS 1240978-33-9)
- Semaglutide impurity 38 (CAS CATO-C4X-222638)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com