1-(2-Chloro-5-nitrophenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid CAS 1264044-32-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1264044-32-7 |
| Molecular Formula | C13H12ClN3O6 |
| Molecular Weight | 341.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-Chloro-5-nitrophenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264044-32-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H12ClN3O6. Molecular weight: 341.70 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H12ClN3O6 |
| Molecular Weight | 341.70 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 1-(4-Chloro-3-nitrophenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264040-52-9)
- 1-(2-Chloro-4-nitrophenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264047-28-0)
- 5-(2-Chloro-4-(trifluoromethyl)phenoxy)-3-ethylbenzo[d]isoxazole (CAS 114195-16-3)
- 3-Chloro-5-(2-methoxyphenyl)-2-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine (CAS 678560-80-0)
- 3-Chloro-5-(3-methoxyphenyl)-2-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine (CAS 740837-57-4)
- 3-Chloro-5-(4-methoxyphenyl)-2-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine (CAS 677345-89-0)
- 3-(4-(4-Chloro-2-(trifluoromethyl)phenyl)pyridin-2-yl)-1,2,4-oxadiazol-5(4H)-one (CAS 1219454-01-9)
- methyl 5-chloro-2-methoxy-4-{[(2,2,2-trifluoroethoxy)carbonyl]amino}benzoate (CAS 1223395-43-4)
Recommended Standards
- 8-Chloro-2-(3-nitrophenyl)-6-(trifluoromethyl)imidazo[1,2-a]pyridine (CAS 860651-00-9)
- 5-(4-Methoxy-phenylamino)-[1,3,4]thiadiazole-2-thiol (CAS 37844-24-9)
- (2E)-N-(4-Chlorophenyl)-3-[4-(trifluoromethoxy)phenyl]prop-2-enamide (CAS 260555-67-7)
- 2-chloro-7-iodo-5H-pyrrolo[2,3-b]pyrazine (CAS 889447-20-5)
- Tributyl 2-acetoxypropane-1,2,3-tricarboxylate-d3 (CAS 1794753-49-3)
- (2'-Fluoro-[1,1'-biphenyl]-3-yl)methanamine (CAS 600735-62-4)
- 2-(6-Methylimidazo[1,2-a]pyrazin-2-yl)acetic acid (CAS 190381-49-8)
- 2-[(3-Hydroxybutyl)amino]isonicotinic acid (CAS 1220035-06-2)
- Methyl (methoxycarbonyl)valinate (CAS 70304-35-7)
- Peptide Impurity 82 (CAS 10491-78-8)
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