5-chloro-1-methylpyrazole-4-carbonitrile CAS 111493-52-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 111493-52-8 |
| Molecular Formula | C5H4ClN3 |
| Molecular Weight | 141.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-chloro-1-methylpyrazole-4-carbonitrile (CAS 111493-52-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H4ClN3. Molecular weight: 141.56 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H4ClN3 |
| Molecular Weight | 141.56 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 2-(4-Chloro-1H-pyrazol-1-yl)acetonitrile (CAS 113336-23-5)
- 4-Chloro-3-pyridinecarboxaldehyde (CAS 114077-82-6)
- 2-(4-Chloro-1H-pyrazol-3-yl)acetonitrile (CAS 1708160-38-6)
- 4-Chloro-1-methyl-1h-pyrazole-3-carbonitrile (CAS 175204-86-1)
- 2-Chloro-3-pyridinecarboxaldehyde (CAS 36404-88-3)
- 3-Chloro-2-pyridinecarbaldehyde (CAS 206181-90-0)
- 4-Chloro-2-pyridinecarboxaldehyde (CAS 63071-13-6)
- 5-Chloro-1-methyl-1H-imidazole-2-carbonitrile (CAS 36941-61-4)
Recommended Standards
- 5-(Chloromethyl)furan-2-carbonitrile (CAS 106240-48-6)
- Chlorsulfonyl Isocyanate (CAS 1189-71-5)
- tert-Butyldimethylsilylcyanide (CAS 56522-24-8)
- N,N-Dimethyloctylamine N-Oxide (CAS 2605-78-9)
- 1-(2-Methoxyphenyl)-3-(p-tolyl)propan-1-one (CAS 898768-48-4)
- (10-(9,9-Dimethyl-9H-fluoren-2-yl)anthracen-9-yl)boronic acid (CAS 400607-35-4)
- 1-Amino-3-(9H-carbazol-9-yl)propan-2-ol (CAS 376620-73-4)
- 1-(2,2-Diethoxyethyl)-4-ethyl-3,5-dimethyl-1H-pyrazole (CAS 1255147-11-5)
- 4-(2-Chloroethoxy)-N,N-diethyl-6-methoxy-1,3,5-triazin-2-amine (CAS 62626-98-6)
- Human IgE Pentapeptide HEPP (CAS 62087-72-3)
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