2-(4-Hydroxyphenyl)-4H-chromen-4-one CAS 4143-63-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4143-63-9 |
| Molecular Formula | C15H10O3 |
| Molecular Weight | 238.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(4-Hydroxyphenyl)-4H-chromen-4-one (CAS 4143-63-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H10O3. Molecular weight: 238.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H10O3 |
| Molecular Weight | 238.24 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Hydroxyphenyl Standards
- 2-(2-Hydroxyphenyl)quinazolin-4-ol (CAS 1026-04-6)
- 2-(4-Hydroxyphenyl)-1H-indene-1,3(2H)-dione (CAS 1217-32-9)
- 4-(4-Hydroxyphenyl)phthalazin-1-ol (CAS 152594-70-2)
- (E)-3-((4-hydroxyphenyl)imino)indolin-2-one (CAS 42407-83-0)
- 2-(2-Hydroxyphenyl)-4H-chromen-4-one (CAS 35244-11-2)
- 2-(3-Hydroxyphenyl)quinazolin-4(3H)-one (CAS 911417-23-7)
- 2-(4-Hydroxyphenyl)quinazolin-4(3H)-one (CAS 89860-51-5)
- 2,3-Bis(4-hydroxyphenyl)cycloprop-2-enone (CAS 25361-95-9)
Recommended Standards
- 2-(4-Hydroxybenzylidene)benzofuran-3(2H)-one (CAS 24389-48-8)
- 2-(4-Formyl-2-methoxyphenoxy)ethyl acetate (CAS 692275-82-4)
- 2-(4-Methoxybenzyl)succinic acid (CAS 956-41-2)
- 3,4-Dimethyl-6-phenyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 13995-91-0)
- n-Cyclopropyl-2-(5-(furan-2-yl)-2h-tetrazol-2-yl)acetamide (CAS 1088204-36-7)
- N1-(2,5-dimethylbenzyl)propane-1,3-diamine (CAS 953072-27-0)
- 1'-(Tert-butyl) 6-methyl 5-methyl-2H-spiro[benzofuran-3,4'-piperidine]-1',6-dicarboxylate (CAS 2989289-35-0)
- 1-Boc-piperidine-4-carboxamidine oxalate (CAS 1187929-57-2)
- 1-(4-Acetylphenyl)-2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinecarbonitrile (CAS 446276-09-1)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
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