4-((5-(4-Fluorophenyl)-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)methyl)benzoic acid CAS 685543-56-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 685543-56-0 |
| Molecular Formula | C20H13FN2O3S |
| Molecular Weight | 380.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-((5-(4-Fluorophenyl)-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)methyl)benzoic acid (CAS 685543-56-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H13FN2O3S. Molecular weight: 380.39 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H13FN2O3S |
| Molecular Weight | 380.39 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Fluorophenyl Standards
- 4-((4-Fluorophenyl)sulfonyl)-2-(furan-2-yl)-N-(3-methoxypropyl)oxazol-5-amine (CAS 862793-84-8)
- N-(3-(2-((2-Fluorophenyl)amino)thiazol-4-yl)phenyl)isoxazole-5-carboxamide (CAS 1796947-16-4)
- 3-(3-(4-Fluorophenyl)-5,9-dimethyl-7-oxo-7H-furo[3,2-g]chromen-6-yl)propanoic acid (CAS 777857-51-9)
- 1-(2-Fluorophenyl)-3-[1-(3-phenyl-1,2,4-oxadiazol-5-yl)cyclohexyl]urea (CAS 1396799-60-2)
- 2-(3-Fluorophenyl)-N-(1-(3-(pyridin-3-yl)-1,2,4-oxadiazol-5-yl)cyclohexyl)acetamide (CAS 1396860-44-8)
- 3-{1-[2-(2-fluorophenyl)acetyl]piperidin-4-yl}-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775391-17-7)
- 3-{1-[2-(3-fluorophenyl)acetyl]piperidin-4-yl}-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775538-70-9)
- 2-(3-(4-(4-Fluorophenyl)piperazin-1-yl)-3-oxopropyl)quinazolin-4(3H)-one (CAS 745035-11-4)
Recommended Standards
- 5-(3,4-Dimethylphenyl)-1-(2-methoxy-5-nitrophenyl)-2-methyl-1H-pyrrole-3-carboxylic acid (CAS 881041-27-6)
- 3-(3',3'-Dimethyl-6-nitrospiro[chromene-2,2'-indolin]-1'-yl)propanoic acid (CAS 55779-26-5)
- 5-(4-Ethyl-5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)-1-(3-(trifluoromethyl)benzyl)pyridin-2(1H)-one (CAS 477853-02-4)
- 2,3-Dihydro-1H-indene-4-carbaldehyde hydrochloride (CAS 2055840-50-9)
- 3-[(prop-2-yn-1-yl)amino]-1λ⁶-thietane-1,1-dione (CAS 1856283-24-3)
- 4-Methylenepiperidine 2,2,2-trifluoroacetate (CAS 1361406-63-4)
- Ethyl trans-4-amino-3-hydroxy-piperidine-1-carboxylate (CAS 86718-22-1)
- 2-(5-(3,4-Dimethoxyphenyl)-4-nitro-1H-pyrazol-1-yl)ethanol (CAS 1708436-72-9)
- 6-(2-Ethoxyethyl)-9-(tetrahydro-2H-pyran-2-yl)-9H-purine (CAS 920503-53-3)
- Semaglutide Impurity 177 (CAS CATO-C4X-2226177)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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