Methyl 1-(4-chlorophenyl)-5-methyl-1H-1,2,4-triazole-3-carboxylate CAS 933221-18-2
| CAS No. | 933221-18-2 |
| Molecular Formula | C11H10ClN3O2 |
| Molecular Weight | 251.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, Methyl 1-(4-chlorophenyl)-5-methyl-1H-1,2,4-triazole-3-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 251.67 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Methyl 1-(4-chlorophenyl)-5-methyl-1H-1,2,4-triazole-3-carboxylate (CAS 933221-18-2) is a high-purity analytical reference standard with the molecular formula C11H10ClN3O2 and a molecular weight of 251.67 g/mol.
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 Methyl 1-(4-chlorophenyl)-5-methyl-1H-1,2,4-triazole-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 | C11H10ClN3O2 |
| Molecular Weight | 251.67 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, 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 2-(2-(2-Chlorophenyl)-5-methyloxazol-4-yl)acetic acid (CAS 1017181-48-4)
- 2-(2-(3-Chlorophenyl)-5-methyloxazol-4-yl)acetic acid (CAS 1017231-31-0)
- 1-(3-Chlorophenyl)-5-ethyl-1h-1,2,3-triazole-4-carboxylic acid (CAS 1017457-41-8)
- 2-[1-(3-chlorophenyl)-5-methyl-1h-1,2,3-triazol-4-yl]acetic acid (CAS 1017457-61-2)
- 1-(2-Chlorophenyl)-5-ethyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1017458-30-8)
- 6-((2-Chlorophenyl)amino)-3-methylpyrimidine-2,4(1H,3H)-dione (CAS 112069-51-9)
- Ethyl 5-(2-Chlorophenyl)isoxazole-3-carboxylate (CAS 1126636-57-4)
- Methyl 1-(4-Chlorophenyl)-5-methyl-1,2,3-triazole-4-carboxylate (CAS 1147199-25-4)
Recommended Standards
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- Ethyl 7-amino-6-chloro-1,8-naphthyridine-3-carboxylate (CAS 2255313-83-6)
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- (2S,4R)-4-Benzylpyrrolidine-2-carboxylic Acid Hydrochloride (CAS 1217789-20-2)
- Semaglutide impurity 42 (CAS CATO-C4X-222642)
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