Semaglutide Impurity 144 CAS 394210-59-4
| CAS No. | 394210-59-4 |
| Molecular Formula | C26H25NO4 |
| Molecular Weight | 415.48 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
Semaglutide Impurity 144 (CAS 394210-59-4) is a certified pharmaceutical impurity reference standard with the molecular formula C26H25NO4 and a molecular weight of 415.48 g/mol.
Based on its molecular formula C26H25NO4, Semaglutide Impurity 144 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 415.48 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).
CATO manufactures Semaglutide Impurity 144 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 | C26H25NO4 |
| Molecular Weight | 415.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Semaglutide Standards
- Semaglutide impurity 91 (CAS CATO-C4X-222691)
- Semaglutide Impurity 123 (CAS 71997-93-8)
- Semaglutide impurity 75 (CAS CATO-C4X-222675)
- Semaglutide Impurity 167 (CAS CATO-C4X-2226167)
- Semaglutide impurity 60 (CAS CATO-C4X-222660)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
- Semaglutide impurity 59 (CAS CATO-C4X-222659)
Recommended Standards
- Esmolol Impurity 64 (CAS CATO-C4X-189164)
- Sarpogrelate Impurity 2 (CAS CATO-C4X-29132)
- Atracurium Impurity 75 (CAS CATO-C4X-185075)
- Fmoc-L-2,4-Dimethylphe (CAS 1217728-65-8)
- Doxycycline EP Impurity A (CAS 3219-99-6)
- Alanyl Glutamine Impurity 48 (CAS 2703745-19-9)
- Trabectedin Impurity 1 (CAS CATO-C4X-35651)
- 1-(4-(2-Amino-4-methylthiazol-5-yl)pyridin-2-yl)cyclopropane-1-carboxamide (CAS 1395492-51-9)
- 1-(9H-Fluoren-9-yl)ethyl carbonochloridate (CAS 118609-65-7)
- (R)-1-Cyclohexyl-2,2,2-trifluoroethanamine hydrochloride (CAS 2564735-97-1)
- Fezolinetant Impurity 23 (CAS CATO-C4X-327023)
- 5-Amino-6-bromo-3,4-dihydro-2H-1-benzopyran-8-carboxylic acid (CAS 941692-27-9)
- (1'R,4S)-spiro[chromane-4,2'-cyclopropane]-1'-carboxylic acid (CAS 1807901-36-5)
- Neuropeptide VF (124-131) (human) (CAS 311309-27-0)
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