4-(3-Hydroxybenzylidene)-2-methyloxazol-5(4H)-one CAS 85986-90-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 85986-90-9 |
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3-Hydroxybenzylidene)-2-methyloxazol-5(4H)-one (CAS 85986-90-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9NO3. Molecular weight: 203.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 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, ethanol, DMSO |
| 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.) | 1981 |
| Nitrogen Atoms | 1 |
Related Hydroxybenzylidene Standards
- 4-(2-Hydroxybenzylidene)-2-methyloxazol-5(4H)-one (CAS 76834-54-3)
- 4-(4-Hydroxybenzylidene)-2-methyloxazol-5(4H)-one (CAS 73043-18-2)
- 5-(2-Hydroxybenzylidene)imidazolidine-2,4-dione (CAS 90771-20-3)
- 5-(3'-Hydroxybenzylidene)hydantoin (CAS 91426-39-0)
- N-(4-Hydroxybenzylidene)aniline (CAS 1689-73-2)
- 2-(4-Hydroxybenzylidene)hydrazine-1-carbothioamide (CAS 5339-74-2)
- (E)-2-((2-hydroxybenzylidene)amino)phenol (CAS 1624-54-0)
- (E)-3-(2-hydroxybenzylidene)dihydrofuran-2(3H)-one (CAS 58165-18-7)
Recommended Standards
- 4-(2-Amino-3,3-difluoropropyl)benzene-1,2-diol (CAS 702-19-2)
- 4-(Difluoromethoxy)-3-ethoxyaniline (CAS 832740-41-7)
- 3-Nitronaphthalene-2-methanol (CAS 73428-04-3)
- 2-[(2,5-Difluorophenyl)methyl]-4-(5-ethyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepine-1,3-dione (CAS 1775353-99-5)
- 7-Methyl-5-oxo-3,5-dihydro-2H-oxazolo[3,2-a]pyridine-6-carboxamide (CAS 84725-26-8)
- 4-Bromo-2-(trifluoromethyl)-1,3-benzoxazole (CAS 217326-71-1)
- methyl 4-(4-methyl-1,3-thiazol-5-yl)-1H-pyrrole-3-carboxylate (CAS 1803582-35-5)
- 2-Thia-7-azaspiro[4.4]nonane 2,2-dioxide (CAS 1340417-29-9)
- 3-[N-(tert-Butyl)sulfamoyl]phenylboronic Acid Pinacol Ester (CAS 706820-95-3)
- (Tyr9)-Cholecystokinin Octapeptide (sulfated) (H-9770.0005) (CAS 96607-61-3)
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