4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride CAS 38103-06-9
Purity >95%In StockPharmaceutical Standards
| CAS No. | 38103-06-9 |
| Molecular Formula | C31H20O8 |
| Molecular Weight | 520.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride (CAS 38103-06-9) pharmaceutical standards reference standard. Molecular formula: C31H20O8. Molecular weight: 520.49 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C31H20O8 |
| Molecular Weight | 520.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 22.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
Recommended Standards
- 57368-07-7 2,2'-(Ethane-1,2-diyldiimino)bis((2-hydroxy-5-sulfophenyl)acetic acid) EC 611-514-5 (CAS 57368-07-7)
- 7-(4-(4-(4-(2,3-dichlorophenyl)piperazin-1-yl)butoxy)butoxy)-3,4-dihydroquinolin-2(1H)-one (CAS 1796928-63-6)
- Methyl streptonigrin (CAS 3398-48-9)
- [3-(Aminomethyl)phenyl]acetic acid hydrochloride (CAS 42288-55-1)
- 2-[5-(morpholin-4-yl)-4-(prop-2-en-1-yl)-4h-1,2,4-triazol-3-yl]acetonitrile hydrobromide (CAS 1171589-44-8)
- (6aR,9aS)-3-Chloro-2-(4-(6-fluoropyridin-2-yl)benzyl)-5-methyl-5,6a,7,8,9,9a-hexahydrocyclopenta[4,5]imidazo[1,2-a]pyrazolo[4,3-e]pyrimidin-4(2H)-one (CAS 1351961-58-4)
- Ethyl 4-chloro-2-(methylsulfinyl)pyrimidine-5-carboxylate (CAS 1951444-69-1)
- 1-Chloro-3-(4-methoxyphenyl)propan-2-one (CAS 24253-13-2)
- 3-(2-Chlorophenyl)-5-methyl-N-[4-(trifluoromethoxy)phenyl]-1,2-oxazole-4-carboxamide (CAS 309740-96-3)
- Des-Gly34-Tirzepatide (CAS CATO-CPTD788940)
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