3-Chloro-5-nitro-1H-pyrazole CAS 1369959-12-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1369959-12-5 |
| Molecular Formula | C3H2ClN3O2 |
| Molecular Weight | 147.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Chloro-5-nitro-1H-pyrazole (CAS 1369959-12-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C3H2ClN3O2. Molecular weight: 147.52 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C3H2ClN3O2 |
| Molecular Weight | 147.52 g/mol |
| 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.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 6-Chloro-1,3,5-triazine-2,4-diol (CAS 135581-60-1)
- 3-Chloro-1-nitro-1H-pyrazole (CAS 1369959-11-4)
- 2-Chloro-4-nitroimidazole (CAS 57531-37-0)
- 3-Chloro-4-nitropyrazole (CAS 35852-75-6)
- 5-Chloro-4-nitro-1H-imidazole (CAS 57531-38-1)
- 5-Chloro-2-fluoropyridin-3-ol (CAS 1003711-65-6)
- 2-Chloro-3-fluoro-4-hydroxypyridine (CAS 1184172-46-0)
- 2-Chloro-5-fluoropyridin-4-ol (CAS 1196153-96-4)
Recommended Standards
- 2-Chlorooxazole-5-carboxylic acid (CAS 1555623-55-6)
- Benzoyl Chloride-13C7DISCONTINUED PLEASE SEE B209554 (CAS 1346605-13-7)
- 2-Chlorooxazole-4-carboxylic Acid (CAS 706789-07-3)
- 6-Chloroimidazo[1,2-a]pyridine-5-carbonitrile (CAS 1414864-00-8)
- Methyl 4-6-di-O-acetyl-2-3-carbonyl-β-D-mannopyranoside (CAS 53958-22-8)
- 7-(2-(3-Hydroxyoctyl)-5-oxopyrrolidin-1-yl)heptanoic acid (CAS 64054-40-6)
- 2-Acetamido-1H-pyrrolo[2,3-d]pyrimidin-4-yl acetate (CAS 88062-66-2)
- (S)-3-Amino-3-(2-methoxyphenyl)propanoic acid (CAS 720662-28-2)
- (S)-1-(tert-butoxycarbonyl)-2-oxopiperidine-4-carboxylic acid (CAS 2165829-55-8)
- Tirzepatide Impurity 38 (CAS CATO-C4X-324038)
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