4H-1-Benzopyran-4-one, 2-(2,4-dihydroxyphenyl)-3,7-dihydroxy-5-methoxy-8-[5-methyl-2-(1-methylethenyl)-4-hexenyl]-, (R)- CAS 128879-52-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 128879-52-7 |
| Molecular Formula | C26H28O7 |
| Molecular Weight | 452.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4H-1-Benzopyran-4-one, 2-(2,4-dihydroxyphenyl)-3,7-dihydroxy-5-methoxy-8-[5-methyl-2-(1-methylethenyl)-4-hexenyl]-, (R)- (CAS 128879-52-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C26H28O7. Molecular weight: 452.50 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C26H28O7 |
| Molecular Weight | 452.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
Related H Standards
- 4H-1-Benzopyran-4-one,3-(benzoyloxy)-2-phenyl- (CAS 22812-29-9)
- 30484-88-9
4H-1-Benzopyran-4-one,3-[(6-deoxy-a-L-mannopyranosyl)oxy]-2-(3,5-dihydroxy-4-methoxyphenyl)-5,7-dihydroxy- (CAS 30484-88-9)
- 145382-68-9
2H-1-Benzopyran-6,8-dicarboxaldehyde,2-(3,5-diformyl-2,4,6-trihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-3-(1-methylethyl)-4-(2-methylpropyl)-,(2R,3R,4S)-rel- (CAS 145382-68-9)
- 4H-1-benzopyran-4-one, 2-(2-chlorophenyl)-5,7-dihydroxy-8-[(2R,3S)-2-(Hydroxymethyl)-1-methyl-3-pyrrolidinyl]-, rel- (CAS 647019-54-3)
- 16981-20-7
2H-1-Benzopyran-2-one, 5,7-dihydroxy-8-(3-methyl-2-butenyl)-6-(2-methyl-1-oxopropyl)-4-phenyl-
5,7-dihydroxy-8-(3-methylbut-2-enyl)-6-(2-methylpropanoyl)-4-phenyl-chromen-2-one
Mesuol
NSC130114 (CAS 16981-20-7)
- 2H-1-Benzopyran-2-one, 7-(2H-naphtho[1,2-d]triazol-2-yl)-3-phenyl- (CAS 3333-62-8)
- 2H-1-Benzopyran-6-carboxylic acid,2-(4,8-dimethyl-3,7-nonadienyl)-5- hydroxy-2,7-dimethyl-
82003-90-5 (CAS 82003-90-5)
- 38215-36-0
2H-1-Benzopyran-2-one, 3-(2-benzothiazolyl)-7-(diethylamino)-
3-(Benzothiazol-2-yl)-7-(diethylamino)-2-benzopyrone
Coumarin 6
EINECS 253-830-2
NSC 290432 (CAS 38215-36-0)
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