1-Methylpyrazole-4-carbonitrile CAS 66121-71-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66121-71-9 |
| Molecular Formula | C5H5N3 |
| Molecular Weight | 107.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-Methylpyrazole-4-carbonitrile (CAS 66121-71-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5N3. Molecular weight: 107.11 g/mol. Batch-specific COA and technical support are available on request.
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 |
Related Methylpyrazole Standards
- 3-Methylpyrazole-4-carbaldehyde (CAS 112758-40-4)
- 1-Methylpyrazole-3-carbaldehyde (CAS 27258-32-8)
- 1-Methylpyrazole-4-carbaldehyde (CAS 25016-11-9)
- 1-Methylpyrazole-5-carboxaldehyde (CAS 27258-33-9)
- 5-Acetyl-1-methylpyrazole (CAS 137890-05-2)
- 3-Methylpyrazole-4-boronic Acid (CAS 1071455-14-5)
- 5-Methylpyrazole-3-boronic Acid (CAS 1163248-54-1)
- 1-Methylpyrazole-5-boronic Acid (CAS 720702-41-0)
Recommended Standards
- 1-Methyl-1H-pyrazole-5-carbonitrile (CAS 66121-72-0)
- 2-((Methylamino)methylene)malononitrile (CAS 79080-32-3)
- 1H-Imidazole-2-carbonitrile, 5-methyl- (CAS 70631-95-7)
- N-(2-Cyano-4,5-dimethoxyphenyl)-N-(3,4-dichlorobenzyl)thiourea (CAS 692287-53-9)
- (3S,4R)-4-cyclopropylpyrrolidin-3-ol (CAS 1242166-65-9)
- Methyl 2-(2-(hydroxymethyl)phenyl)acetate (CAS 63969-91-5)
- 4-Amino-N-cyclopropyl-2-(piperazin-1-yl)pyrimidine-5-carboxamide (CAS 1710674-79-5)
- 7-Bromo-4,6-dimethylquinolin-2(1H)-one (CAS 1367706-94-2)
- N-Isopentyl-3-(1-naphthoyl)indole (JWH 018 isomer) (CAS 1346604-93-0)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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