3-(3-Chloro-4-propoxyphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde CAS 1234692-01-3
| CAS No. | 1234692-01-3 |
| Molecular Formula | C19H17ClN2O2 |
| Molecular Weight | 340.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(3-Chloro-4-propoxyphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 3-(3-Chloro-4-propoxyphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 1234692-01-3), a certified reference material (molecular formula C19H17ClN2O2, MW 340.80 g/mol) for analytical method development and quality control.
Based on its molecular formula C19H17ClN2O2, 3-(3-Chloro-4-propoxyphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde contains a steroid core, 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 340.80 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-(3-Chloro-4-propoxyphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C19H17ClN2O2 |
| Molecular Weight | 340.80 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 5-(4-Chloro-3-methylphenyl)-1-(4-methylbenzyl)-1H-pyrazole-3-carboxylic acid (CAS 192702-07-1)
- (8-Chloro-3,4-dihydro-1H-pyrido[4,3-b]indol-2(5H)-yl)(2-methoxyphenyl)methanone (CAS 900269-51-4)
- (E)-[(1-Chloro-3,4-dihydronaphthalen-2-yl)methylidene]amino N-(4-methylphenyl)carbamate (CAS 477887-98-2)
- 2-Chloro-2-(3-oxo-1-phenylpentyl)-1H-indene-1,3(2H)-dione (CAS 42581-24-8)
- 3-Chloro-5-ethoxy-4-(1-naphthylmethoxy)benzaldehyde (CAS 428466-08-4)
- 4-((3-Chloro-4-methoxyphenyl)amino)-4-oxo-2-(piperidin-1-yl)butanoic acid (CAS 899946-26-0)
- 4-Chloro-2-(3-fluorophenyl)-5-phenylthieno[2,3-d]pyrimidine (CAS 949527-19-9)
- 6-Chloro-3-(4-methoxybenzyl)-3,4-dihydro-2H-[1,3]oxazino[5,6-h]quinoline (CAS 50595-08-9)
Recommended Standards
- 1228666-10-1 (trans-racemic)-1-tert-butyl 3-methyl 4-(4-chloropyridin-3-yl)pyrrolidine-1,3-dicarboxylate MFCD15530347 (CAS 1228666-10-1)
- 6-tert-Butyl 3-ethyl 4-chloro-7,8-dihydro-1,6-naphthyridine-3,6(5H)-dicarboxylate (CAS 1822861-42-6)
- 1189724-35-3 2-Acetyl-3-(4-chlorophenyl)pentanedioic Acid 1,5-Diethyl Ester-d4 Diethyl 2-Aceto-3-(4-chlorophenyl-d4)glutarate (CAS 1189724-35-3)
- 7-(tert-Butyl) 2-ethyl 4-chloro-5,8-dihydro-1,7-naphthyridine-2,7(6H)-dicarboxylate (CAS 1884203-25-1)
- S-((2-chloropyridin-4-yl)methyl) O-ethyl carbonodithioate (CAS 1092444-91-1)
- 1,2-Dihydro-2-(4-methylphenyl)-5-phenyl-3H-1,2,4-triazol-3-one (CAS 118946-50-2)
- Methyl 2-(3-bromo-2-cyano-5-methylphenyl)acetate (CAS 1805190-20-8)
- 3,7-Dimethyl-2H-indazole-5-carboxylic acid (CAS 1031417-75-0)
- Ethyl 4,4,4-trifluoro-3-methylbutanoate (CAS 6975-13-9)
- 2-Amino-3-hydroxy-3-(4-hydroxyphenyl)propanoic acid (CAS 6809-69-4)
- Difelikefalin Impurity 78 (CAS CATO-C4X-304178)
- 1-Pentyne (CAS 627-19-0)
- N-(((Prop-2-yn-1-yloxy)carbonyl)oxy)-2-(quinolin-8-yloxy)acetimidamide (CAS 88758-75-2)
- [Glu]17-Liraglutide (CAS CATO-C4X-199236)
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