Hexahydro-4-methylphthalic Anhydride（mixture of cis and trans） CAS 19438-60-9
Purity >95%In StockPharmaceutical Standards
| CAS No. | 19438-60-9 |
| Molecular Formula | C9H12O3 |
| Molecular Weight | 168.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Hexahydro-4-methylphthalic Anhydride（mixture of cis and trans） (CAS 19438-60-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C9H12O3. Molecular weight: 168.19 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C9H12O3 |
| Molecular Weight | 168.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
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