Isotretinoin EP Impurity H CAS 71748-58-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 71748-58-8 |
| Molecular Formula | C20H26O3 |
| Molecular Weight | 314.42 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Isotretinoin EP Impurity H (CAS 71748-58-8) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C20H26O3. Molecular weight: 314.42 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C20H26O3 |
| Molecular Weight | 314.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
Related Isotretinoin Standards
- Isotretinoin EP Impurity G (5,6-Epoxy-13-cis Retinoic Acid) (and enantiomer) (CAS 81444-57-7)
- Isotretinoin EP Impurity I (CAS 75281-25-3)
- Isotretinoin-d5 (CAS CATO-C4X-196936)
- Isotretinoin EP Impurity F (CAS 68070-35-9)
- Isotretinoin EP Impurity D (CAS 5300-03-8)
- Isotretinoin (CAS 4759-48-2)
- Isotretinoin Impurity 11 (CAS 14398-42-6)
- Isotretinoin Glucuronide (CAS 78147-42-9)
Recommended Standards
- 4-Oxo Tretinoin (4-Oxo Retinoic Acid) (CAS 38030-57-8)
- Brivaracetam Impurity 75 (CAS CATO-C4X-200775)
- Methylprednisolone EP Impurity C (CAS 61919-52-6)
- Maxacalcitol Impurity 17 (CAS 147725-62-0)
- Simvastatin EP Impurity I (CAS 79902-42-4)
- Ethyl 3-cyanopyrazolo[1,5-a]pyrimidine-7-carboxylate (CAS 950057-07-5)
- 4-chloro-2-(1,3-thiazol-2-yl)pyrimidine (CAS 1564749-78-5)
- 7β-Hydroxy-15β,16β-methylene-3β-pivaloyloxy-5-androsten-17-one (CAS 82543-09-7)
- tert-butyl 2-(chloromethyl)-6,8-dihydro-5H-[1,2,4]triazolo[1,5-a]pyrazine-7-carboxylate (CAS 1823264-96-5)
- Adrenal Peptide E, bovine (CAS 78355-50-7)
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