1-(2-Ethoxyphenyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxylic acid CAS 1326911-79-8
| CAS No. | 1326911-79-8 |
| Molecular Formula | C16H14N4O3 |
| Molecular Weight | 310.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-Ethoxyphenyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (C16H14N4O3) 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).
1-(2-Ethoxyphenyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1326911-79-8), molecular formula C16H14N4O3 and molecular weight 310.31 g/mol, is a CATO reference standard with documented purity and traceability.
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 1-(2-Ethoxyphenyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-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 | C16H14N4O3 |
| Molecular Weight | 310.31 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 4 |
Related Ethoxyphenyl Standards
- 1-(2-Ethoxyphenyl)-5-(pyridin-2-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1326844-76-1)
- 1-(4-Ethoxyphenyl)-5-(pyridin-2-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1326857-98-0)
- 1-(4-Ethoxyphenyl)-5-(pyridin-3-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1329787-31-6)
- N-(4-ethoxyphenyl)-6-nitroquinazolin-4-amine (CAS 51687-12-8)
- 3-(4-Ethoxyphenyl)-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid (CAS 421565-92-6)
- N4-(4-Ethoxyphenyl)-N2-(2-hydroxypropyl)-L-asparagine (CAS 1048002-41-0)
- 1-(4-Ethoxyphenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid (CAS 1264046-37-8)
- N-(2-Ethoxyphenyl)-2-(2-mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)acetamide (CAS 1142206-84-5)
Recommended Standards
- 2-Amino-5-benzyl-5-(4-nitrophenyl)-4,5-dihydro-1H-imidazol-4-one (CAS 1354915-26-6)
- 2,2,2-Trifluoroethyl 3-(morpholin-4-ylmethyl)piperidine-1-carboxylate (CAS 1311313-76-4)
- 2-Amino-5-benzyl-5-(3-nitrophenyl)-4,5-dihydro-1H-imidazol-4-one (CAS 1354925-33-9)
- Methyl 2-[5-(3-Phenoxyphenyl)-2H-tetrazol-2-yl]acetate (CAS 1305320-60-8)
- 6-Phenoxy-4-(prop-2-en-1-ylsulfanyl)-8-thia-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(13),2(7),3,5,9,11-hexaene (CAS 478030-07-8)
- N,1-dimethyl-4-nitro-1H-pyrazole-5-carboxamide (CAS 1260379-36-9)
- 4,5,6,7,9,9a,10,11,12,12a-Decahydrocyclopenta[c][1,4]diazepino[6,7,1-ij]quinoline hydrochloride (CAS 950818-28-7)
- 4-(2,4-Difluorophenyl)thiazol-2-ol (CAS 1095110-55-6)
- Z-Val-Gly-Gly-OBzl (C-2855.0005) (CAS 72722-19-1)
- (R)-tert-Butyl 1-isobutylpyrrolidin-3-ylcarbamate (CAS 1286207-16-6)
- 4-Bromo-2-cyano-5-nitrobenzenesulfonyl chloride (CAS 1807170-77-9)
- 1-(4-Ethyl-4-hydroxypiperidin-1-yl)-3,3,3-trifluoropropan-1-one (CAS 2159331-93-6)
- 2-Chloro-5-fluorophenylboronic Acid (CAS 444666-39-1)
- Semaglutide impurity 23 (CAS CATO-C4X-222623)
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