Peficitinib Impurity 11 CAS 944134-77-4
| CAS No. | 944134-77-4 |
| Molecular Formula | C18H21N3O3 |
| Molecular Weight | 327.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H21N3O3, Peficitinib Impurity 11 contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 327.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Peficitinib Impurity 11 (CAS 944134-77-4) is a certified pharmaceutical impurity reference standard with the molecular formula C18H21N3O3 and a molecular weight of 327.38 g/mol.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Peficitinib Impurity 11 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H21N3O3 |
| Molecular Weight | 327.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Peficitinib Standards
- Peficitinib Impurity 10 (CAS 944118-24-5)
- Peficitinib Impurity 4 (CAS 944118-26-7)
- Peficitinib Impurity 8 (CAS 944123-25-5)
- Peficitinib (CAS 944118-01-8)
- Peficitinib-d3 (CAS CATO-C4X-280717)
- Peficitinib-d3,15N (CAS CATO-C4X-280718)
- Peficitinib Impurity 13 (CAS 944118-04-1)
- Peficitinib Impurity 23 (CAS 2055576-50-4)
Recommended Standards
- Upadacitinib Impurity 196 (CAS CATO-C4X-2405196)
- Upadacitinib Impurity 181 (CAS CATO-C4X-2405181)
- Norfloxacin-d8 (CAS 1216601-32-9)
- Upadacitinib Impurity 143 (CAS CATO-C4X-2405143)
- Acetylcysteine Impurity 50 (CAS 24125-26-6)
- Baricitinib Impurity 46 HCl (CAS 1803583-30-3)
- Hydrochlorothiazide Impurity 41 (CAS CATO-C4X-117741)
- 1-(3,5-Difluorophenyl)-5-methyl-1H-pyrazole-4-carboxylic acid (CAS 1189749-72-1)
- (E)-1-Bromo-4-(3-chloro-1-propen-1-yl)benzene (CAS 104293-07-4)
- 4-Oxocyclopent-2-enecarboxylic acid (CAS 208517-75-3)
- 3-Chloro-N-(4-piperidinylmethyl)benzamide hydrochloride (CAS 1584066-83-0)
- 10-Aminodecanoic acid (CAS 13108-19-5)
- 2-(2-Sulfanyl-1,3-thiazol-4-yl)acetic acid (CAS 36365-79-4)
- Liraglutide Impurity 19 TFA Salt (CAS CATO-C4X-199219)
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 18665070610 / Nicole.chen@cato-chem.com