Roflumilast Impurity 31 CAS 268225-79-2
Purity ＞95%In StockPharmacopoeial Impurity Standards
| CAS No. | 268225-79-2 |
| Molecular Formula | C8H6O4 |
| Molecular Weight | 166.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Roflumilast Impurity 31 (CAS 268225-79-2), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H6O4. Molecular weight: 166.13 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H6O4 |
| Molecular Weight | 166.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | ＞95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, 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.) | 2025 |
Related Roflumilast Standards
- Roflumilast USP Related Compound C (CAS 22889-78-7)
- Roflumilast Impurity 17 (CAS 91872-02-5)
- Roflumilast Impurity 30 (CAS 34809-82-0)
- Roflumilast impurity 22 (CAS 343927-62-8)
- Roflumilast Impurity 13 (CAS 53173-70-9)
- Roflumilast impurity 19 (CAS 151103-08-1)
- Roflumilast impurity 18 (CAS 7051-34-5)
- Roflumilast Impurity 27 (CAS 74976-40-2)
Recommended Standards
- Piperonylic Acid (CAS 94-53-1)
- Palbociclib Impurity 175 (CAS CATO-C4X-1125175)
- syn-4-Nitrobenzaldoxime (CAS 20707-69-1)
- Alectinib Impurity 68 (CAS CATO-C4X-283668)
- Gefitinib Impurity 27 (CAS 861453-12-5)
- Montelukast Impurity 59 (CAS CATO-C4X-103159)
- 3-Nitrophenacyl bromide 2-bromo-3'-nitroacetophenone 3'-nitrophenacyl bromide 2-bromo-1-(3-nitro-phenyl)-ethanone alpha-bromo-3'-nitroacetophenone a-bromo-3-nitroacetophenone 3'-nitro-2-bromo acetophenone 2-bromo-1-(3-nitrophenyl)ethanone 3-nitrophenacylbromide m-nitrophenacyl bromide a-bromo-m-nitroacetophenone 2227-64-7 (CAS 2227-64-7)
- Azilsartan Impurity 121 (CAS CATO-C4X-1096121)
- 2-Amino-5-chlorobenzoic acid 2-CARBOXY-4-CHLOROANILINE 5-AMINO-3-CARBOXY-1-CHLOROBENZENE 5-CHLORO-2-AMINOBENZOIC ACID 5-CHLOROANTHRANILIC ACID 635-21-2 AKOS AKM00838 AS01120 BENZOIC ACID, 2-AMINO-5-CHLORO- PHARMABRIDGE P-1338 RARECHEM AL BO 0288 TIMTEC-BB SBB016392 (CAS 635-21-2)
- [3-31]-Semaglutide D (CAS C152H230N42O47)
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