Bedaquiline impurity 43 CAS 90724-56-4
| CAS No. | 90724-56-4 |
| Molecular Formula | C6H7NO2 |
| Molecular Weight | 125.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies Bedaquiline impurity 43 (CAS 90724-56-4), a pharmacopoeial impurity reference standard (molecular formula C6H7NO2, MW 125.13 g/mol) used for the identification and quantification of trace impurities in APIs.
Structurally, Bedaquiline impurity 43 (C6H7NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 125.13 g/mol, it falls into the low-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
Physical & Chemical Properties
| Molecular Formula | C6H7NO2 |
| Molecular Weight | 125.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
Related Bedaquiline Standards
- Bedaquiline impurity 44 (CAS 93499-67-3)
- Bedaquiline impurity 39 (CAS 72543-44-3)
- Bedaquiline Impurity 9 (CAS 22422-69-1)
- Bedaquiline Impurity 16 (CAS CATO-C4X-116716)
- Bedaquiline Impurity 17 (CAS CATO-C4X-116717)
- Bedaquiline Impurity 67 (CAS 345949-37-3)
- Bedaquiline impurity 40 (CAS 848694-09-7)
- Bedaquiline impurity 41 (CAS 860720-24-7)
Recommended Standards
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- (5-Chloro pyrazin-2-yl) Methanamine (CAS 1060814-53-0)
- Semaglutide Impurity 150 xTFA (CAS CATO-C4X-2226150)
Why CATO?
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