Roflumilast Impurity 13 CAS 53173-70-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 53173-70-9 |
| Molecular Formula | C8H6F2O3 |
| Molecular Weight | 188.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Roflumilast Impurity 13 (CAS 53173-70-9) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H6F2O3. Molecular weight: 188.13 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H6F2O3 |
| Molecular Weight | 188.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | F-containing |
Related Roflumilast Standards
- Roflumilast impurity 19 (CAS 151103-08-1)
- Roflumilast Impurity 17 (CAS 91872-02-5)
- Roflumilast Impurity 11 (CAS 159783-78-5)
- Roflumilast impurity 25 (CAS 1243391-44-7)
- Roflumilast Impurity 31 (CAS 268225-79-2)
- Roflumilast USP Related Compound C (CAS 22889-78-7)
- Roflumilast Impurity 30 (CAS 34809-82-0)
- Roflumilast impurity 22 (CAS 343927-62-8)
Recommended Standards
- 3-(difluoromethoxy)-2-hydroxybenzaldehyde (CAS 1806293-28-6)
- 1-carbomethoxy-1-methyl-4-(4-methyl-3-pentenyl)-3-cyclohexene 2179-79-5 AR-1C2189 (CAS 2179-79-5)
- Nemonoxacin Impurity 35 (CAS 1781915-09-0)
- Semaglutide Impurity 15 (CAS CATO-C4X-222615)
- Upadacitinib Impurity 109 (CAS CATO-C4X-2405109)
- N,N'-(4,5-dimethyl-1,2-phenylene)diacetamide (CAS 202131-86-0)
- N-((1,3-Dimethyl-1H-pyrazol-4-yl)methyl)-1-ethyl-5-methyl-1H-pyrazol-4-amine hydrochloride (CAS 1856032-15-9)
- (Z)-Ethoxy({1-[4-(pyrazin-2-yloxy)phenyl]ethylidene})amine (CAS 866157-16-6)
- tert-butyl (2S)-2-methyl-4-methylene-piperidine-1-carboxylate (CAS 2816820-18-3)
- Semaglutide Impurity 165 (CAS CATO-C4X-2226165)
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