1-Methyl-3-(thiophen-2-yl)-1H-pyrazole-5-carbonyl chloride CAS 876316-45-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 876316-45-9 |
| Molecular Formula | C9H7ClN2OS |
| Molecular Weight | 226.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-Methyl-3-(thiophen-2-yl)-1H-pyrazole-5-carbonyl chloride (CAS 876316-45-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H7ClN2OS. Molecular weight: 226.68 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H7ClN2OS |
| Molecular Weight | 226.68 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
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- 3-(Thiophen-2-yl)quinolin-2-amine (CAS 33543-47-4)
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Recommended Standards
- 1-(4-Chlorophenyl)-3-(5-methyloxazol-3(2H)-yl)urea (CAS 55807-83-5)
- 1-Methyl-5-thien-2-yl-1H-pyrazole-3-carbonyl chloride (CAS 876316-46-0)
- 1-(4-Chlorophenyl)-2-sulfanyl-4,5-dihydro-1h-imidazol-5-one (CAS 55327-43-0)
- n-(Sec-butyl)-3-(4-fluorophenyl)acrylamide (CAS 545431-23-0)
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- 2-(Aminomethyl)adamantan-2-ol (CAS 28529-71-7)
- 1-(3-(1H-Pyrrolo[2,3-b]pyridin-1-yl)propyl)-3-(4-chlorobenzyl)urea (CAS 1797588-08-9)
- 2-(5-Bromopyridin-3-yl)oxazole (CAS 342600-96-8)
- N,N-Diisopropyl-3-methoxyaniline (CAS 7000-87-5)
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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