Esmolol Impurity 5 CAS 83356-59-6
| CAS No. | 83356-59-6 |
| Molecular Formula | C18H30N2O3 |
| Molecular Weight | 322.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H30N2O3, Esmolol Impurity 5 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 322.44 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).
Esmolol Impurity 5 (CAS 83356-59-6) is a certified pharmaceutical impurity reference standard with the molecular formula C18H30N2O3 and a molecular weight of 322.44 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 5 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 | C18H30N2O3 |
| Molecular Weight | 322.44 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 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 2 |
Related Esmolol Standards
- Esmolol Impurity 83 (CAS CATO-C4X-189183)
- Esmolol Impurity 43 (CAS CATO-C4X-189143)
- Esmolol Impurity 68 (CAS CATO-C4X-189168)
- Esmolol Impurity 92 (CAS CATO-C4X-189192)
- Esmolol Impurity 44 (CAS CATO-C4X-189144)
- Esmolol Impurity 42 (CAS CATO-C4X-189142)
- Esmolol Impurity 36 (CAS CATO-C4X-189136)
- Esmolol Impurity 69 (CAS CATO-C4X-189169)
Recommended Standards
- Methionine Impurity 9 (CAS 1879009-96-7)
- 4-Hydroxy Nonenal Mercapturic Acid-d3 (CAS CATO-CCHM705556)
- Methionine EP Impurity E (CAS CATO-C4X-18277)
- 8-Gingerol (CAS 23513-08-8)
- Oseltamivir Impurity 150 (CAS CATO-C4X-1720150)
- Oxycodone Hydrochloride EP Impurity A (CAS 76-41-5 （free base）)
- Meropenem Impurity 62 (CAS CATO-C4X-130962)
- Ethane-1,2-diyl didodecanoate (CAS 624-04-4)
- 1-Bromo-2,3,4,6-tetrafluoro-5-(trifluoromethyl)benzene (CAS 113601-46-0)
- 1-(2,2,2-Trifluoroethoxy)butan-2-amine (CAS 1247445-36-8)
- Deacetyl-N,O-didesmethyldiltiazem Hydrochloride (CAS 142926-09-8)
- (5-((Benzylamino)methyl)furan-2-yl)methanol (CAS 1240163-58-9)
- 3,4-Dichlorobenzohydrazide (CAS 28036-91-1)
- Peptide 431 (CAS CATO-CPTD788431)
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