Roflumilast Impurity 17 CAS 91872-02-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91872-02-5 |
| Molecular Formula | C5H4Cl2N2O |
| Molecular Weight | 179.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Roflumilast Impurity 17 (CAS 91872-02-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H4Cl2N2O. Molecular weight: 179.00 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H4Cl2N2O |
| Molecular Weight | 179.00 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Roflumilast Standards
- Roflumilast Impurity 13 (CAS 53173-70-9)
- Roflumilast impurity 19 (CAS 151103-08-1)
- Roflumilast Impurity 31 (CAS 268225-79-2)
- Roflumilast USP Related Compound C (CAS 22889-78-7)
- Roflumilast Impurity 11 (CAS 159783-78-5)
- Roflumilast Impurity 30 (CAS 34809-82-0)
- Roflumilast impurity 25 (CAS 1243391-44-7)
- Roflumilast impurity 22 (CAS 343927-62-8)
Recommended Standards
- N-(2,2-dichloro-1-cyanovinyl)acetamide (CAS 23530-18-9)
- Thieno[2,3-b]pyridin-2-ylboronic acid (CAS 953411-01-3)
- Benzothiazol-2-boronic Acid (CAS 499769-96-9)
- N-Phthaloyl-L-valine (CAS 6306-54-3)
- 1-chloro-4-ethoxy-1,1-difluorobut-3-en-2-one (CAS 131153-94-1)
- Methyl 3,3,3-trifluoro-2-(2,2,2-trifluoroacetamido)propanoate (CAS 103972-70-9)
- 1-(3-Methylenecyclobutyl)ethanone (CAS 25303-66-6)
- 1,3,3-Trimethyl-3,4-dihydroisoquinoline (CAS 79023-51-1)
- 2-(2-Methyl-9-oxo-5,6,7,9-tetrahydro-1H-dipyrrolo[1,2-a:3',2'-d]pyrimidin-1-yl)acetic acid (CAS 1708370-53-9)
- Tau Peptide (74-102) (Exon 3/Insert 2 Domain) trifluoroacetate salt (CAS 1322695-34-0)
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