5,7-Dihydroxy-2-(4-hydroxyphenyl)-6-methyl-8-(3-methylbut-2-en-1-yl)chroman-4-one CAS 261776-60-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 261776-60-7 |
| Molecular Formula | C21H22O5 |
| Molecular Weight | 354.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5,7-Dihydroxy-2-(4-hydroxyphenyl)-6-methyl-8-(3-methylbut-2-en-1-yl)chroman-4-one (CAS 261776-60-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H22O5. Molecular weight: 354.40 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H22O5 |
| Molecular Weight | 354.40 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Dihydroxy Standards
- 1,4-Dihydroxy-5,8-bis(propylamino)anthracene-9,10-dione (CAS 100495-30-5)
- 1,8-Dihydroxy-3-methyl-2-(phenylethynyl)anthracene-9,10-dione (CAS 60714-44-5)
- Ethyl 5,7-dihydroxy-3-(4-methoxyphenyl)-4-oxo-4H-chromene-2-carboxylate (CAS 15485-76-4)
- (S)-2-(3,4-Dihydroxy-5-(3-methylbut-2-en-1-yl)phenyl)-5,7-dihydroxychroman-4-one (CAS 87746-47-2)
- 1,5-Dihydroxy-2,6-diisobutylanthracene-9,10-dione (CAS 76643-53-3)
- 14,26-Dihydroxy-15,16-dimethoxy-1,2(1,3)-dibenzenacyclononaphan-5-one (CAS 32492-74-3)
- 7-(2,5-Dihydroxy-3,4,6-trimethylphenyl)-7-phenylheptanoic acid (CAS 148989-73-5)
- rac 8,14-Dihydroxy Efavirenz-d4 (CAS 1189859-26-4)
Recommended Standards
- 5-(4-Methylphenoxy)-1,3-diphenyl-1H-pyrazole-4-carbaldehyde (CAS 956360-80-8)
- 5-Acetyl-3-((4-fluorophenyl)thio)-4-methyl-2H-[1,2'-bipyridin]-2-one (CAS 918542-91-3)
- 5-([1,1'-biphenyl]-4-yloxy)-3-methyl-1-phenyl-1h-pyrazole-4-carbaldehyde (CAS 926190-21-8)
- 4,4'-(Perfluoropropane-2,2-diyl)bis(2-nitroaniline) (CAS 1174-51-2)
- 2-(Difluoromethyl)-4-methoxy-6-methylpyridine-3-carbonyl chloride (CAS 1805437-33-5)
- ETHYL 2-(5-CYANO-2-METHYL-1H-INDOL-3-YL)ACETATE (CAS 1956340-83-2)
- N-Phenyl-4-biphenylamine (CAS 32228-99-2)
- 2-(6,7-Dihydrothieno[3,2-c]pyridin-5(4h)-yl)-6-fluorobenzonitrile (CAS 1241255-45-7)
- 2-Amino-4-phenylanisole 3-Amino-4-methoxybiphenyl 39811-17-1 5-Phenyl-o-anisidine A0958 (CAS 39811-17-1)
- C-Type Natriuretic Peptide (32-53) (human, porcine, rat) (CAS 127869-51-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com