5-Chloro-1-(3-chloro-4-methylphenyl)-3-methyl-1h-pyrazole-4-carboxylic acid CAS 1152574-46-3
| CAS No. | 1152574-46-3 |
| Molecular Formula | C12H10Cl2N2O2 |
| Molecular Weight | 285.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 285.13 g/mol gives 5-Chloro-1-(3-chloro-4-methylphenyl)-3-methyl-1h-pyrazole-4-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Chloro-1-(3-chloro-4-methylphenyl)-3-methyl-1h-pyrazole-4-carboxylic acid (CAS 1152574-46-3) is a high-purity analytical reference standard with the molecular formula C12H10Cl2N2O2 and a molecular weight of 285.13 g/mol.
Based on its molecular formula C12H10Cl2N2O2, 5-Chloro-1-(3-chloro-4-methylphenyl)-3-methyl-1h-pyrazole-4-carboxylic acid 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 285.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 5-Chloro-1-(3-chloro-4-methylphenyl)-3-methyl-1h-pyrazole-4-carboxylic acid 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 | C12H10Cl2N2O2 |
| Molecular Weight | 285.13 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- Ethyl 5-chloro-1-(4-chlorophenyl)-1H-pyrazole-4-carboxylate (CAS 110821-36-8)
- Ethyl 5-chloro-1-(2-chlorophenyl)-1H-pyrazole-4-carboxylate (CAS 121716-34-5)
- 2-Chloro-N-((3-(4-chlorophenyl)isoxazol-5-yl)methyl)acetamide (CAS 338749-73-8)
- 2-Chloro-N-((5-chloro-8-hydroxyquinolin-7-yl)methyl)acetamide (CAS 909236-73-3)
- 4-Chloro-2-cyano-3-hydroxy-but-2-enoic acid 4-chloro-benzylamide (CAS 885459-09-6)
- 4-Chloro-5-((3-chlorobenzyl)oxy)-2-methylpyridazin-3(2H)-one (CAS 88121-78-2)
- 4-Chloro-5-((4-chlorobenzyl)oxy)-2-methylpyridazin-3(2H)-one (CAS 88093-85-0)
- 5-Chloro-1-[(2-chlorophenyl)methyl]-3-methyl-1h-pyrazole-4-carboxylic acid (CAS 956374-18-8)
Recommended Standards
- 4-(4-Bromophenyl)tetrahydro-2H-pyran-4-carboxylic acid, 97% (CAS 1152567-60-6)
- (E)-Methyl 2-(2-(bromomethyl)phenyl)-3-methoxyacrylate (CAS 117428-49-6)
- Benzoic acid, 4-bromo-3-[(2-methyl-2-propen-1-yl)oxy]-, methyl ester (CAS 1147531-54-1)
- Ethyl 3-amino-6,8-dichloroquinoline-2-carboxylate (CAS 1207187-41-4)
- n-Cyclopentyl-4-((methylsulfonyl)methyl)benzamide (CAS 931063-02-4)
- 5-Amino-6-chloro-2,3-dihydro-1H-inden-1-one (CAS 1273611-33-8)
- n-(2-Chlorophenyl)-3,3,3-trifluoropropanimidoyl chloride (CAS 1087794-62-4)
- 2-(2,6-Diaminopyridin-4-yl)acetic acid (CAS 1393557-36-2)
- 1-(4-Methoxyphenyl)-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carbonitrile (CAS 1170965-84-0)
- 3,5-Dibromo-2,4-dimethoxybenzoic acid (CAS 35036-55-6)
- 4-Nitropyridine-d (CAS 1124-33-0)
- 2-Amino-N-(thiazol-5-ylmethyl)acetamide (CAS 1353960-83-4)
- 5-Amino-2-(3-methyl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl)phenol (CAS 1030553-91-3)
- [Ser]8-Acetylated Semaglutide (CAS CATO-C4X-2226218)
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