Ethambutol Impurity 9 CAS CATO-C4X-18949
| CAS No. | CATO-C4X-18949 |
| Molecular Formula | C10H23N3O3 |
| Molecular Weight | 233.31 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Ethambutol Impurity 9 (C10H23N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 233.31 g/mol, it falls into the medium-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.
Ethambutol Impurity 9 (CAS CATO-C4X-18949) is a certified pharmaceutical impurity reference standard with the molecular formula C10H23N3O3 and a molecular weight of 233.31 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.
As a certified reference material (CRM), Ethambutol Impurity 9 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 | C10H23N3O3 |
| Molecular Weight | 233.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| Nitrogen Atoms | 3 |
Related Ethambutol Standards
- Ethambutol Impurity 10 (CAS 78213-39-5)
- Ethambutol Impurity 7(Mixture of Diastereomers) (CAS 498-17-9)
- Ethambutol-d8 (CAS 1129526-23-3)
- Ethambutol (CAS 74-55-5)
- Ethambutol Impurity N1 (CAS 52322-22-2)
- Ethambutol EP Impurity C (2R,2’R-Ethambutol) (CAS 10054-05-4)
- Ethambutol EP Impurity B (CAS 10054-06-5)
- Ethambutol Impurity 8 (CAS 2792161-95-4)
Recommended Standards
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- Palbociclib Impurity 22 (CAS 1376615-91-6)
- Ledipasvir Impurity 48 (CAS CATO-C4X-331348)
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- 103244-41-3 Insulin-like Growth Factor-II fragment 33-40 Ser-Arg-Val-Ser-Arg-Arg-Ser-Arg (CAS 103244-41-3)
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