Ethyl 5-(2,5-dimethoxyphenyl)-1H-pyrazole-3-carboxylate CAS 1326810-38-1
| CAS No. | 1326810-38-1 |
| Molecular Formula | C14H16N2O4 |
| Molecular Weight | 276.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 5-(2,5-dimethoxyphenyl)-1H-pyrazole-3-carboxylate is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Ethyl 5-(2,5-dimethoxyphenyl)-1H-pyrazole-3-carboxylate (CAS 1326810-38-1), a certified reference material (molecular formula C14H16N2O4, MW 276.29 g/mol) for analytical method development and quality control.
Ethyl 5-(2,5-dimethoxyphenyl)-1H-pyrazole-3-carboxylate (C14H16N2O4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Ethyl 5-(2,5-dimethoxyphenyl)-1H-pyrazole-3-carboxylate 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 | C14H16N2O4 |
| Molecular Weight | 276.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- Ethyl 5-(2,4-dimethoxyphenyl)-1H-pyrazole-3-carboxylate (CAS 1036999-93-5)
- Ethyl 5-(3,4-dimethoxyphenyl)-1H-pyrazole-3-carboxylate (CAS 1326810-68-7)
- 1-(2-(3,4-Dimethoxyphenyl)-1-hydroxy-4-methyl-1H-imidazol-5-yl)ethan-1-one (CAS 690990-76-2)
- 1-(2,5-Dimethoxyphenyl)-3-(furan-2-ylmethyl)urea (CAS 198140-08-8)
- N-(2,5-dimethoxyphenyl)-3,5-dimethylisoxazole-4-carboxamide (CAS 478031-61-7)
- N-[(3,4-Dimethoxyphenyl)methyl]-2-(1H-1,2,4-triazol-1-yl)acetamide (CAS 866135-61-7)
- 4-(2,4-Dimethoxyphenyl)-2-fluorobenzoic acid (CAS 1179916-77-8)
- 3-(2,4-Dimethoxyphenyl)-5-fluorobenzoic acid (CAS 1261895-15-1)
Recommended Standards
- 6-Amino-2-phenyl-2,5-dihydro-4H-pyrazolo[3,4-c]quinolin-4-one (CAS 1315307-78-8)
- Ethyl 1-(6-ethoxypyridazin-3-yl)-5-methyl-1H-pyrazole-4-carboxylate (CAS 1312137-66-8)
- 1-(Tert-butyl) 2-methyl 1H-pyrrolo[3,2-c]pyridine-1,2-dicarboxylate (CAS 1330755-10-6)
- 1-tert-Butyl 5-methyl 1H-indazole-1,5-dicarboxylate (CAS 1290181-22-4)
- Diisopropyl ((2,4-dimethoxyphenyl)(phenylamino)methyl)phosphonate (CAS 488090-33-1)
- 2-Bromo-6-methylbenzene-1,4-diol (CAS 50848-60-7)
- 2-(2-Methoxy-5-methylphenyl)propan-2-amine (CAS 1082355-28-9)
- N-isopropyl-3-phenylpropan-1-amine hydrochloride (CAS 83979-37-7)
- 2-(3-(Trifluoromethyl)phenyl)-3a,4,7,7a-tetrahydro-1H-4,7-epoxyisoindole-1,3(2H)-dione (CAS 433264-21-2)
- N-(Methyl(phenyl)carbamoselenoyl)benzamide (CAS 59541-65-0)
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