(E)-8-(3,4-Dihydroxy-3-methylbut-1-en-1-yl)-7-methoxy-2H-chromen-2-one CAS 74474-76-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 74474-76-3 |
| Molecular Formula | C15H16O5 |
| Molecular Weight | 276.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-8-(3,4-Dihydroxy-3-methylbut-1-en-1-yl)-7-methoxy-2H-chromen-2-one (CAS 74474-76-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H16O5. Molecular weight: 276.28 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15H16O5 |
| Molecular Weight | 276.28 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
Related E Standards
- 6-(1,2-Dihydroxy-3-methylbut-3-en-1-yl)-7-methoxy-2H-chromen-2-one (CAS 60094-90-8)
- 7,8-Dihydroxy-6-methoxy-3-(2-methylbut-3-en-2-yl)-2H-chromen-2-one (CAS 82667-98-9)
- 3’,4’-Dihydroxy Flurbiprofen (CAS 66067-41-2)
- 3,7-Dihydroxy-2,2,10-trimethyl-3,4-dihydro-2H-pyrano[2,3-b]quinolin-5(10H)-one (CAS 87936-14-9)
- 2,4-Dihydroxy-5-isopentylpyrido[2,3-d]pyrimidine-7-carboxylic acid (CAS 1401319-12-7)
- 2,3-Dihydroxy-7-methylquinoxaline-6-sulfonyl chloride (CAS 955-71-5)
- 1-(2,4-Dihydroxy-3-iodophenyl)ethan-1-one (CAS 71243-12-4)
- 2,3-Dihydroxy-6,7-dimethyl-4-propyl-1-naphthoic acid (CAS 213971-33-6)
Recommended Standards
- (3,5-Difluorophenyl)(4-methoxy-3,5-dimethylphenyl)methanone (CAS 844885-20-7)
- [(7-Methyl-2-oxo-4-propyl-2H-chromen-5-yl)oxy]-acetic acid (CAS 840514-13-8)
- (3,4-Difluorophenyl)(4-methoxy-3,5-dimethylphenyl)methanone (CAS 845781-08-0)
- 1-(Benzo[d][1,3]dioxol-5-yl)ethane-1-thiol (CAS 1039963-53-5)
- 3-(4-Chlorophenyl)-N,N-diethylprop-2-enamide (CAS 23784-71-6)
- 6-Methyl-thio-guanosine (CAS 4914-73-2)
- 2-[(2-Chlorobenzyl)oxy]benzaldehyde (CAS 53389-99-4)
- 6-Chloroisoindolin-5-amine (CAS 905273-33-8)
- 3-(Trifluoromethyl)-N-(4-((3-(trifluoromethyl)phenyl)thio)phenyl)benzamide (CAS 339104-72-2)
- Semaglutide Impurity 7 (CAS CATO-C4X-22267)
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