2-[(4-Phenoxyphenyl)amino]-1,3-thiazole-4-carboxylic acid CAS 1176721-85-9
| CAS No. | 1176721-85-9 |
| Molecular Formula | C16H12N2O3S |
| Molecular Weight | 312.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-[(4-Phenoxyphenyl)amino]-1,3-thiazole-4-carboxylic acid (C16H12N2O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 312.34 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-[(4-Phenoxyphenyl)amino]-1,3-thiazole-4-carboxylic acid (CAS 1176721-85-9), molecular formula C16H12N2O3S and molecular weight 312.34 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H12N2O3S |
| Molecular Weight | 312.34 g/mol |
| 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.) | 1989 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Phenoxyphenyl Standards
- 7-(4-Phenoxyphenyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 320417-19-4)
- 7-Oxo-7-(3-phenoxyphenyl)heptanoic acid (CAS 871127-76-3)
- N-(4-phenoxyphenyl)-2-(piperazin-1-yl)acetamide (CAS 725690-25-5)
- 4-Methyl-2-(4-phenoxyphenyl)thiazole-5-carboxylic acid (CAS 938341-24-3)
- 4-(4-Phenoxyphenyl)-1-piperazinecarbothioamide (CAS 896518-61-9)
- N-(4-Phenoxyphenyl)-2-(piperidin-1-yl)acetamide (CAS 69838-04-6)
- 3-[(4-Phenoxyphenyl)imino]-2,3-dihydro-1H-indol-2-one (CAS 103410-20-4)
- Methyl 2-[5-(3-Phenoxyphenyl)-2H-tetrazol-2-yl]acetate (CAS 1305320-60-8)
Recommended Standards
- 1,2,5-Triphenyl-1H-phosphole (CAS 1162-70-5)
- 4-(4-Methoxyphenyl)-4H-benzo[b][1,4]thiazine-2-carbonitrile 1,1-dioxide (CAS 1207008-94-3)
- 3-((1-Acetylindoline)-5-sulfonamido)propanoic acid (CAS 108583-90-0)
- Ethyl 2-((4-(1,1-dioxidoisothiazolidin-2-yl)phenyl)amino)-2-oxoacetate (CAS 1207012-83-6)
- (4,6-Dihydroxy-1,3-phenylene)bis(phenylmethanone) (CAS 3088-15-1)
- (4-Methylsulfanylphenyl)hydrazine hydrochloride (CAS 35588-53-5)
- 1-Cyclopentyl-4-nitrobenzene (CAS 89410-18-4)
- Ethyl 5-ethyl-4-fluoro-1H-pyrazole-3-carboxylate (CAS 681034-82-2)
- (4-(5-Methoxypyridin-2-yl)phenyl)methanol (CAS 1160430-71-6)
- 3-Fluoro-2-(1H-pyrazol-1-yl)benzoic acid (CAS 1214622-53-3)
- 2-(Difluoromethoxy)benzo[d]oxazole-6-carboxaldehyde (CAS 1806339-89-8)
- 5-(5-(Chloromethyl)-1,2,4-oxadiazol-3-yl)thiophene-2-sulfonyl chloride (CAS 423768-39-2)
- Bedaquiline Impurity 63 (CAS 2813341-31-8)
- Peptide 440 (CAS CATO-CPTD788440)
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