Roflumilast Impurity 34 CAS 1882067-44-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1882067-44-8 |
| Molecular Formula | C12H12F2O4 |
| Molecular Weight | 258.22 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Roflumilast Impurity 34 (CAS 1882067-44-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H12F2O4. Molecular weight: 258.22 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H12F2O4 |
| Molecular Weight | 258.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
Related Roflumilast Standards
- Roflumilast impurity 15 (CAS 162401-69-6)
- Roflumilast Impurity 33 (CAS 2376345-94-5)
- Roflumilast USP Related Compound D (CAS 162401-62-9)
- Roflumilast Impurity 44 (CAS CATO-C4X-108444)
- Roflumilast Impurity C65 (CAS 162401-60-7)
- Roflumilast Impurity 58 (CAS CATO-C4X-193558)
- Roflumilast Impurity 43 (CAS CATO-C4X-108443)
- Roflumilast impurity 23 (CAS 1369817-76-4)
Recommended Standards
- Nemonoxacin Impurity 76 (CAS 221221-12-1)
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- Eperisone Impurity 41 (CAS CATO-C4X-227941)
- Famotidine impurity 76 (CAS CATO-C4X-139276)
- Caspofungin Impurity 9 Acetate (CAS CATO-C4X-15759)
- (2S)-2-(tert-Butoxycarbonylamino)-2-(1,1-dioxothian-4-yl)acetic acid (CAS 894790-22-8)
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- 6-Chloro-3-cyclopropoxy-2-ethylpyridine (CAS 1243445-05-7)
- Dulaglutide (CAS 923950-08-7)
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