4-(2,3-Dimethoxybenzylidene)-2-phenyloxazol-5(4H)-one CAS 43087-79-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 43087-79-2 |
| Molecular Formula | C18H15NO4 |
| Molecular Weight | 309.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(2,3-Dimethoxybenzylidene)-2-phenyloxazol-5(4H)-one (CAS 43087-79-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H15NO4. Molecular weight: 309.32 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H15NO4 |
| Molecular Weight | 309.32 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
| Nitrogen Atoms | 1 |
Related Dimethoxybenzylidene Standards
- (E)-4-(2,5-dimethoxybenzylidene)-2-phenyloxazol-5(4H)-one (CAS 109876-87-1)
- (Z)-4-(3,4-Dimethoxybenzylidene)-2-phenyloxazol-5(4H)-one (CAS 25349-37-5)
- 4-(2,6-Dimethoxybenzylidene)-2-phenyloxazol-5(4H)-one (CAS 7149-97-5)
- 4-(3,4-Dimethoxybenzylidene)-2-phenyloxazol-5(4H)-one (CAS 5415-56-5)
- 5-(2,4-Dimethoxybenzylidene)-3-ethyl-2-thioxothiazolidin-4-one (CAS 313964-42-0)
- 2,4-Dimethoxybenzylidene Anabaseine (CAS 148372-04-7)
- 3-(2,4-Dimethoxybenzylidene)-3,4,5,6-tetrahydro-2,3'-bipyridine (CAS 156743-65-6)
- 2-((3,4-Dimethoxybenzylidene)amino)isoindoline-1,3-dione (CAS 158529-52-3)
Recommended Standards
- 4-(2-(5,7-Dimethyl-2-oxoindolin-3-ylidene)hydrazineyl)benzoic acid (CAS 756843-31-9)
- 4-(1-Methylhydrazinyl)pyrimidin-5-amine (CAS 6265-79-8)
- 4-(2-Methoxyphenyl)-3-methyl-1-(4-nitrophenyl)-1H-pyrazole (CAS 955976-40-6)
- 4-Ethoxy-2-(methylthio)-6-(piperidin-4-yloxy)pyrimidine hydrochloride (CAS 1353980-50-3)
- 2-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)propan-2-ol hydrochloride (CAS 1441765-57-6)
- 2-Ethyl-2H-1,2,3-triazole-4-carbaldehyde (CAS 1909312-88-4)
- 2-bromo-8-methyl-5-(2,2,2-trifluoroethoxy)-[1,2,4]triazolo[1,5-a]pyridine (CAS 2170792-89-7)
- Dispiro[2.1.2.2]nonan-4-one (CAS 1004-54-2)
- 2-amino-5,6,7,8-tetrahydro-quinaZoline-6-carboxylic acid ethyl ester (CAS 1359655-66-5)
- Semaglutide impurity 84 (CAS CATO-C4X-222684)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com