3-Butyl-5-chloro-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde CAS 1354938-63-8
| CAS No. | 1354938-63-8 |
| Molecular Formula | C14H14Cl2N2O |
| Molecular Weight | 297.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Butyl-5-chloro-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde (CAS 1354938-63-8), molecular formula C14H14Cl2N2O and molecular weight 297.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H14Cl2N2O, 3-Butyl-5-chloro-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 297.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 3-Butyl-5-chloro-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde 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 | C14H14Cl2N2O |
| Molecular Weight | 297.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Butyl Standards
- 3-(4-chloro-3,5-dimethyl-1h-pyraZol-1-yl)-1-(4-chlorophenyl)propan-1-one (CAS 1006447-63-7)
- 3-Butyl-5-chloro-1-(3-chlorophenyl)-1H-pyrazole-4-carbaldehyde (CAS 1354918-76-5)
- 4-(4-Chloro-3-methylphenoxy)butane-1-sulfonyl chloride (CAS 1340044-27-0)
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Recommended Standards
- 2-((Tetrahydrofuran-3-yl)oxy)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole (CAS 1356369-13-5)
- (4-Methyl-6-(methylsulfonyl)pyridin-3-yl)boronic acid pinacol ester (CAS 1353745-98-8)
- 2-((Tetrahydrofuran-3-yl)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole (CAS 1356469-05-0)
- N-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenesulfonamide (CAS 1293987-69-5)
- 5-(Trifluoromethyl)quinolin-3-amine (CAS 2168449-89-4)
- (R)-2-amino-3-(2-fluoro-4-hydroxyphenyl)propanoic acid hydrochloride (CAS 1241679-19-5)
- 1-(chloromethyl)naphthalene-2-carbonitrile (CAS 1261626-83-8)
- 2-methyl-2-(trifluoroacetamido)propanoic acid (CAS 2707-93-9)
- 2-(3,5-Dimethyl-1H-pyrazol-1-yl)thiazole-4-carboxylic acid (CAS 957293-86-6)
- Bupropion Impurity 20 (CAS 1346603-00-6)
- 2-(4-Bromothiophen-2-yl)oxirane (CAS 1485632-69-6)
- Methyl 4-((2-ethoxy-2-oxoethyl)amino)benzoate (CAS 729600-41-3)
- 1-(2,6-Difluorobenzyl)-4-methyl-1H-benzo[d]imidazole-2-carbaldehyde (CAS 199594-83-7)
- [His]1-Acetylated Semaglutide (CAS CATO-C4X-2226219)
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