ethyl 3-chloro-1H-pyrazole-4-carboxylate CAS 1393667-83-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1393667-83-8 |
| Molecular Formula | C6H11ClN2O2 |
| Molecular Weight | 178.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
ethyl 3-chloro-1H-pyrazole-4-carboxylate (CAS 1393667-83-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H11ClN2O2. Molecular weight: 178.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H11ClN2O2 |
| Molecular Weight | 178.62 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 2-Chloro-5-methylquinazoline (CAS 1388050-63-2)
- 3-Chloroquinolin-8-amine (CAS 139399-66-9)
- 2-Chloro-7-methylquinazoline (CAS 1388025-87-3)
- 1-(6-(Methylamino)pyrimidin-4-yl)piperidin-4-ol (CAS 1353979-16-4)
- 2-Methyl-5-(2-oxo-pyrrolidin-1-yl)-benzenesulfonyl chloride (CAS 878433-23-9)
- Salmeterol EP Impurity G Hydrochloride (CAS 2470130-36-8(free base))
- (2S,4R)-4-Hydroxypyrrolidine-2-carboxylic Acid Methyl Ester HCl (CAS 40216-83-9)
- 2-Hydroxy-6-(trifluoromethyl)pyridine-4-acetic acid (CAS 1227601-77-5)
- 5-Methyl-2-nitro-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one (CAS 1408327-48-9)
- Semaglutide impurity 87 (CAS CATO-C4X-222687)
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