4,5-Dimethyl-7-(2-methylprop-1-en-1-yl)-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione CAS 7672-77-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7672-77-7 |
| Molecular Formula | C14H18O3 |
| Molecular Weight | 234.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dimethyl-7-(2-methylprop-1-en-1-yl)-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione (CAS 7672-77-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H18O3. Molecular weight: 234.29 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H18O3 |
| Molecular Weight | 234.29 g/mol |
| Appearance | Off-white to pale 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
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Recommended Standards
- 4-(Cyclopentyloxy)-3-ethoxybenzaldehyde (CAS 524732-38-5)
- 4-Formylphenyl heptanoate (CAS 50262-52-7)
- 4-(Benzyloxy)cyclohexane-1-carboxylic acid (CAS 66500-40-1)
- 6-(Cyclohexyloxy)-1,3,5-triazine-2,4-diamine (CAS 63979-36-2)
- Methyl 2-(3,5-dibromo-4-cyanophenyl)acetate (CAS 1804892-46-3)
- 6,7,8,9-Tetrahydro-5h-imidazo[1,5-a][1,4]diazepine dihydrochloride (CAS 1609400-98-7)
- 2,2-Bis(1-methylethyl)hydrazone Acetaldehyde (CAS 67660-50-8)
- 5-Bromo-3-chloro-1,2-benzisoxazole (CAS 401567-43-9)
- 2-Amino-1-naphthoic Acid (CAS 79979-69-4)
- Semaglutide impurity 71 (CAS CATO-C4X-222671)
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