Ensifentrine Impurity 4 CAS 3067475-19-5
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 3067475-19-5 |
| Molecular Formula | C25H29N5O4 |
| Molecular Weight | 463.53 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ensifentrine Impurity 4 (CAS 3067475-19-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H29N5O4. Molecular weight: 463.53 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C25H29N5O4 |
| Molecular Weight | 463.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | ≥95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Nitrogen Atoms | 5 |
Related Ensifentrine Standards
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Recommended Standards
- trans-4-[4-[4-(5-Fluoro-2-methoxyphenyl)-1H-pyrrolo[2,3-b]pyridin-2-yl]-3,6-dihydro-1(2H)-pyridinyl]cyclohexaneacetic acid (CAS 1628301-84-7)
- Baricitinib Impurity 77 (CAS CATO-C4X-226077)
- Boc-Aminooxy-PEG4-Tos (CAS 1807539-01-0)
- Mivacurium chloride Impurity 42 (CAS CATO-C4X-137542)
- Rimegepant Impurity 68 (CAS CATO-C4X-248768)
- 1,1-Bis-(4-Bromophenyl)-2,2-dichloroethylene (CAS 21655-73-2)
- 3-(2,4-dichlorophenoxy)propanoic acid (CAS 3284-80-8)
- 2,3-Dichloro-5-(trifluoromethyl)benzoic acid (CAS 25922-42-3)
- 2-Amino-4-(3-bromo-4-hydroxy-5-methoxyphenyl)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 332053-46-0)
- Liraglutide-d8 Tritrifluoroacetate (CAS CATO-C4X-199223)
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