Epristeride Impurity 5 CAS CATO-C4X-30085
| CAS No. | CATO-C4X-30085 |
| Molecular Formula | C24H36BrNO2 |
| Molecular Weight | 450.45 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Epristeride Impurity 5 (C24H36BrNO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 450.45 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Epristeride Impurity 5 (CAS CATO-C4X-30085), a pharmacopoeial impurity reference standard (molecular formula C24H36BrNO2, MW 450.45 g/mol) used for the identification and quantification of trace impurities in APIs.
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.
As a certified reference material (CRM), Epristeride Impurity 5 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C24H36BrNO2 |
| Molecular Weight | 450.45 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Epristeride Standards
Recommended Standards
- Leniolisib (CAS 1354690-24-6)
- Uridine Impurity 17 (CAS CATO-C4X-233417)
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- Acotiamide Impurity 16 (CAS CATO-C4X-111416)
- Varenicline Impurity 25 (CAS CATO-C4X-196225)
- Ursodeoxycholic Acid Impurity 116 (CAS 67733-54-4)
- Dantrolene Related Compound B (CAS 57268-33-4)
- 7-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole (CAS 1188399-17-8)
- 6-Chloro-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole (CAS 23046-68-6)
- n-(1-((3-Nitrophenyl)amino)-2-oxo-2-(p-tolyl)ethyl)furan-2-carboxamide (CAS 335421-05-1)
- Salbutamol Impurity 189 (CAS CATO-C4X-1176189)
- 9H-Purine (CAS 51953-03-8)
- Ethyl 6-Chloroindole-3-carboxylate (CAS 100821-50-9)
- GnRH Associated Peptide (GAP) (1-13), human (CAS 100111-07-7)
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