143724-76-9 3,4',5,7-Tetrahydroxy-8-(3-methyl-2-butenyl)flavone Tri-O-methoxymethyl Ether 3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-8-(3-methyl-2-buten-1-yl)-4H-1-benzopyran-4-one 4'-Desmethylicaritin Tri-O-methoxymethyl Ether 8-Prenylkaempferol Tri-O-methoxymethyl Ether De-O-methylanhydroicaritin Tri-O-methoxymethyl Ether Desmethyl Icaritin Tri-O-methoxymethyl Ether Noranhydroicaritin Tri-O-methoxymethyl Ether CAS 143724-76-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 143724-76-9 |
| Molecular Formula | C26H30O9 |
| Molecular Weight | 486.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
143724-76-9 3,4',5,7-Tetrahydroxy-8-(3-methyl-2-butenyl)flavone Tri-O-methoxymethyl Ether 3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-8-(3-methyl-2-buten-1-yl)-4H-1-benzopyran-4-one 4'-Desmethylicaritin Tri-O-methoxymethyl Ether 8-Prenylkaempferol Tri-O-methoxymethyl Ether De-O-methylanhydroicaritin Tri-O-methoxymethyl Ether Desmethyl Icaritin Tri-O-methoxymethyl Ether Noranhydroicaritin Tri-O-methoxymethyl Ether (CAS 143724-76-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C26H30O9. Molecular weight: 486.51 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C26H30O9 |
| Molecular Weight | 486.51 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
Related Tetrahydroxy Standards
- 3,5,6,8-Tetrahydroxy-7-(2-hydroxy-5-(2-hydroxyethyl)phenyl)-9,10-dioxo-9,10-dihydroanthracene-1,2-dicarboxylic acid (CAS 17249-00-2)
- 3,6,19,23-Tetrahydroxy-12-ursen-28-oic acid 91095-51-1 C30H48O6 W2611 (CAS 91095-51-1)
- 3,4,6,8-Tetrahydroxy-1,2,5-tris(3-methylbut-2-en-1-yl)-9H-xanthen-9-one (CAS 659747-28-1)
- 5，7，3’，4’-Tetrahydroxy-3-methoxy-8，5’-diprenylflavone (CAS 1353676-65-9)
- 5，7，3’，4’-Tetrahydroxy-3-methoxy-8-geranylflavone (CAS 1605304-56-0)
- 3α,6 β,7 β,12 β-Tetrahydroxy-5 β-cholanoic Acid (CAS 140852-41-1)
- 1,3,6,7-Tetrahydroxy-5-(3-methylbut-2-en-1-yl)-2-(2-methylbut-3-en-2-yl)-9H-xanthen-9-one (CAS 135541-40-1)
- 1,3,6,8-Tetrahydroxy-2-(1-hydroxy-5-oxohexyl)anthracene-9,10-dione (CAS 647839-29-0)
Recommended Standards
- 5-O-(3-Methyl-2-butenyl) Kaempferol Tri-O-methoxymethyl Ether (CAS 143724-70-3)
- 1-(9H-Fluoren-9-yl)-3,14-dioxo-2,7,10,16-tetraoxa-4,13-diazaoctadecan-18-oic acid (CAS 669073-64-7)
- 3,6,9,12,15,18,21,24,27-Nonaoxanonacosanedioic acid (CAS 1432970-26-7)
- 2'-Fluoro[1,1'-biphenyl]-3-carbonitrile (CAS 893738-69-7)
- 3,5-Dibromopiperidine (CAS 916792-57-9)
- 2-(4-Ethoxyquinazolin-2-yl)acetonitrile (CAS 76473-43-3)
- 1,7-naphthyridine-4-carboxylic acid (CAS 1378260-92-4)
- Octadecyl 3-mercaptopropanoate (CAS 31778-15-1)
- (3-(2-Ethoxyphenyl)isoxazol-5-yl)methanamine (CAS 543713-35-5)
- Semaglutide impurity 85 (CAS CATO-C4X-222685)
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