Esmolol Impurity 56 CAS CATO-C4X-189156
| CAS No. | CATO-C4X-189156 |
| Molecular Formula | C16H25NO4 |
| Molecular Weight | 295.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C16H25NO4, Esmolol Impurity 56 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 295.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Esmolol Impurity 56 (CAS CATO-C4X-189156) is a certified pharmaceutical impurity reference standard with the molecular formula C16H25NO4 and a molecular weight of 295.37 g/mol.
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.
CATO manufactures Esmolol Impurity 56 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 | C16H25NO4 |
| Molecular Weight | 295.37 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, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
Related Esmolol Standards
- Esmolol (S)-Isomer (Base) (CAS 115729-56-1)
- Esmolol (R)-Isomer (Base) (CAS 117405-53-5)
- Esmolol Impurity 26 (CAS CATO-C4X-189126)
- Esmolol Impurity 65 (CAS CATO-C4X-189165)
- Esmolol Impurity 45 (CAS CATO-C4X-189145)
- Esmolol Impurity 37 (CAS CATO-C4X-189137)
- Esmolol Impurity 80 (CAS CATO-C4X-189180)
- (R)-Esmolol Acid (CAS 910651-37-5)
Recommended Standards
- Tert-butyl 3-(2-ethoxy-2-oxoethylidene)-8-azabicyclo[3.2.1]Octane-8-carboxylate (CAS 865106-60-1)
- Levalbuterol Impurity 2 (CAS CATO-C4X-22592)
- N-Me-N-bis-PEG3 (CAS 342818-95-5)
- Mirogabalin Impurity 117 (CAS CATO-C4X-2924117)
- Ruxolitinib Impurity 125 (CAS CATO-C4X-2058125)
- Ceftazidime Impurity 74 (CAS CATO-C4X-121274)
- Vortioxetine Impurity 82 (CAS 583-55-1)
- N-(2-Chlorophenyl)-2-[4-(5-ethyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]acetamide (CAS 1775337-99-9)
- 5-(tert-Butyl)pyridin-3-amine hydrochloride (CAS 2135331-65-4)
- 6-Chloro-2,3-difluorobenzene-1-sulfonamide (CAS 1208077-20-6)
- 2-Fluoro-3-iodo-4-methoxy-1-methylbenzene (CAS 2387271-54-5)
- 5-(3-Fluorophenyl)-1H-indole-2,3-dione (CAS 893736-10-2)
- Z-3-Abz-OSu (CAS 129666-48-4)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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