6,6'-dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman, 2-propanol adduct CAS 40278-59-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40278-59-9 |
| Molecular Formula | C23H28O4 |
| Molecular Weight | 368.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 6,6'-dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman, 2-propanol adduct (CAS 40278-59-9) pharmaceutical standards reference standard. Molecular formula: C23H28O4. Molecular weight: 368.47 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C23H28O4 |
| Molecular Weight | 368.47 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
Related dihydroxy Standards
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- 1,3-Dihydroxy-2-iodo-10-methylacridin-9(10H)-one (CAS 88901-73-9)
- 1-(1,4-Dihydroxy-3-phenylnaphthalen-2-yl)-3-phenylprop-2-en-1-one (CAS 198877-50-8)
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- 6-Benzyl-1-(3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-3-methyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one (CAS 89889-83-8)
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Recommended Standards
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- 5-(5,5-Dimethyl-1,3-dioxan-2-yl)-1-(3-phenoxyphenyl)pentan-1-one (CAS 898782-94-0)
- 3-Aminoisoxazole-4-carboxamide (CAS 207913-21-1)
- (1-fluorocycloheptyl)methanesulfonyl chloride (CAS 1803565-69-6)
- 2-(Mesitylethynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2332893-72-6)
- 5-Chlorothiophene-2-sulfinic acid (CAS 126714-86-1)
- 2,5-Dipropoxyterephthalohydrazide (CAS 2143456-42-0)
- N-(3-(1H-Imidazol-1-yl)propyl)-N-(4,6-dimethylbenzo[d]thiazol-2-yl)thiophene-2-carboxamide hydrochloride (CAS 1215817-50-7)
- D-Ala21-Tirzepatide (CAS CATO-CPTD788913)
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