Ethyl 1-(sec-butyl)-4-chloro-1H-pyrazole-3-carboxylate CAS 1856027-44-5
| CAS No. | 1856027-44-5 |
| Molecular Formula | C10H15ClN2O2 |
| Molecular Weight | 230.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 1-(sec-butyl)-4-chloro-1H-pyrazole-3-carboxylate (CAS 1856027-44-5), a certified reference material (molecular formula C10H15ClN2O2, MW 230.69 g/mol) for analytical method development and quality control.
Ethyl 1-(sec-butyl)-4-chloro-1H-pyrazole-3-carboxylate (C10H15ClN2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Ethyl 1-(sec-butyl)-4-chloro-1H-pyrazole-3-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H15ClN2O2 |
| Molecular Weight | 230.69 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- Ethyl 1-butyl-4-chloro-1H-pyrazole-3-carboxylate (CAS 1855951-50-6)
- Ethyl 4-chloro-1-isobutyl-1H-pyrazole-3-carboxylate (CAS 1856098-75-3)
- 4-CHLORO-6-(DIETHOXYMETHYL)-2-METHYLPYRIMIDINE (CAS 1820686-94-9)
- Diphenylacetyl Chloride (CAS 1871-76-7)
- 5,6-Dimethyl-4-methoxy Nicotinic Acid Methyl Ester (CAS 1314982-27-8)
- 2-Chloro-N,N-dipropylacetamide (CAS 2315-37-9)
- 4-(1-Methyl-1H-pyrazol-4-yl)butanenitrile (CAS 1251924-86-3)
- (2-fluoro-4-methylpyridin-3-yl)boronic acid (CAS 1029654-30-5)
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- 1-(tert-Butyl) 2-methyl (2S,4S)-4-amino-1,2-pyrrolidinedicarboxylate hydrochloride (CAS 1922671-53-1)
- 5-((Dimethylamino)methyl)-2-methyl-6,7-dihydrobenzofuran-4(5H)-one (CAS 802594-95-2)
- Tofacitinib Impurity 30 (CAS CATO-C4X-107930)
- Tirzepatide Impurity 61 (CAS CATO-C4X-324061)
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 18665070610 / Nicole.chen@cato-chem.com