1-Ethyl-4-nitro-1h-pyrazole-3-carbonyl chloride CAS 1260658-93-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1260658-93-2 |
| Molecular Formula | C6H6ClN3O3 |
| Molecular Weight | 203.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-Ethyl-4-nitro-1h-pyrazole-3-carbonyl chloride (CAS 1260658-93-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H6ClN3O3. Molecular weight: 203.58 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H6ClN3O3 |
| Molecular Weight | 203.58 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- (5-Methyl-3-nitro-1h-pyrazol-1-yl)acetyl chloride (CAS 1006442-04-1)
- 1-Ethyl-4-nitro-1H-pyrazole-5-carbonyl chloride (CAS 1199215-97-8)
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- 4-Nitro-3-(m-tolyl)-1H-pyrazole (CAS 1247384-91-3)
- 4-Nitro-3-(p-tolyl)-1H-pyrazole (CAS 1250706-30-9)
- 1-Benzyl-4-nitro-1H-imidazole (CAS 13230-13-2)
Recommended Standards
- 3-Chloro-6-(2,2-difluoroethyl)pyrazine-2-carbonitrile (CAS 1257072-46-0)
- 6-Chloro-4-(difluoromethyl)-1H-pyrazolo[3,4-b]pyridine (CAS 1279829-79-6)
- 5-Chloro-4-methoxy-2-nitrophenol (CAS 14164-14-8)
- 5-Fluoro-1-methylspiro[indoline-3,4'-piperidin]-2-one (CAS 845552-97-8)
- 6,8-Dimethoxy-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid 73674-79-0 9000AE C12H11NO5 (CAS 73674-79-0)
- 3-Nitrodibenzo[b,d]furan (CAS 5410-97-9)
- 3-(Piperidin-1-yl)propane-1-sulfonic acid (CAS 1132-60-1)
- 2,4-Dichloro-5-methylthioanisole (CAS 1806275-36-4)
- 1-Cyclopropyl-3-(3-fluorophenyl)piperazine (CAS 1248907-98-3)
- Tau Peptide (274-288) trifluoroacetate salt (CAS 330456-39-8)
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