1-(Chloromethyl)-5-methyl-3-nitro-1h-pyrazole CAS 943107-59-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 943107-59-3 |
| Molecular Formula | C5H6ClN3O2 |
| Molecular Weight | 175.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(Chloromethyl)-5-methyl-3-nitro-1h-pyrazole (CAS 943107-59-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H6ClN3O2. Molecular weight: 175.57 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H6ClN3O2 |
| Molecular Weight | 175.57 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 DMSO, DMF, methanol |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloromethyl Standards
- methyl 5-(chloromethyl)-1,2-oxazole-4-carboxylate (CAS 1027781-88-9)
- 3-(Chloromethyl)-N-methyl-1,2,4-oxadiazole-5-carboxamide (CAS 1123169-42-5)
- 5-(Chloromethyl)-N-methyl-1,2,4-oxadiazole-3-carboxamide (CAS 1158736-05-0)
- 2-(Chloromethyl)-1-methyl-4-nitro-1H-imidazole (CAS 118467-52-0)
- 3-(chloromethyl)-1-methyl-5-nitro-1H-pyrazole (CAS 1260658-91-0)
- 5-(chloromethyl)-1-methyl-3-nitro-1H-pyrazole (CAS 1260659-05-9)
- 5-(chloromethyl)-1-methyl-4-nitro-1H-imidazole (CAS 133587-87-8)
- Methyl 4-(chloromethyl)oxazole-2-carboxylate (CAS 1393584-98-9)
Recommended Standards
- (2,5-Dioxopyrrolidin-1-yl)acetyl chloride (CAS 58142-32-8)
- 2-(chloroacetyl)-5-methylisoxazol-3(2H)-one (CAS 38100-64-0)
- 4-Chloro-5-methyl-isoxazole-3-carboxylic acid methyl ester (CAS 1855898-97-3)
- 1-(4-(Methylthio)benzo[d]thiazol-2-yl)-3-(thiophen-2-ylmethyl)urea (CAS 1251574-83-0)
- 2-(3-(Benzyl(isopropyl)amino)pyrrolidin-1-yl)ethanol (CAS 1353975-13-9)
- 2-(Pyrrolidin-1-yl)pyridine-3-sulfonyl chloride (CAS 1437385-34-6)
- 4-Amino-6-(methylamino)-1,3,5-triazine-2(1H)-thione (CAS 139117-36-5)
- Benzbromarone Impurity 26 (CAS CATO-C4X-225026)
- 3-(2-Methylphenyl)-1-phenyl-1h-pyrazole-4-carboxylic acid (CAS 956764-90-2)
- Anti-Inflammatory Peptide 1 (CAS 118850-71-8)
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