Lenalidomide Impurity 32 CAS CATO-C4X-190332
| CAS No. | CATO-C4X-190332 |
| Molecular Formula | C8H12N4O2 |
| Molecular Weight | 196.21 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 Lenalidomide Impurity 32 (CAS CATO-C4X-190332), a pharmacopoeial impurity reference standard (molecular formula C8H12N4O2, MW 196.21 g/mol) used for the identification and quantification of trace impurities in APIs.
Structurally, Lenalidomide Impurity 32 (C8H12N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 196.21 g/mol, it falls into the medium-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 | C8H12N4O2 |
| Molecular Weight | 196.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| 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 |
| Nitrogen Atoms | 4 |
Related Lenalidomide Standards
- Lenalidomide Impurity 12 (CAS 59382-59-1)
- Lenalidomide Impurity 20 (CAS 62621-09-4)
- Lenalidomide Impurity 21 (CAS 77324-87-9)
- Lenalidomide Impurity 22 (CAS 61940-22-5)
- Lenalidomide Impurity 23 (CAS 24078-21-5)
- Lenalidomide Impurity 24 (CAS 5471-82-9)
- Lenalidomide Impurity 36 (CAS 1628915-10-5)
- Lenalidomide Impurity 13 (CAS 1975-50-4)
Recommended Standards
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- Vortioxetine Impurity 69 (CAS CATO-C4X-105669)
- Ilaprazole Impurity 17 (CAS 172152-35-1)
- (2-Bromo-6-cyanopyridin-4-yl)boronic acid (CAS 2225181-31-5)
- Diethyl malonimidate (CAS 26315-24-2)
- R-VANOL hydrogenphosphate (CAS 956610-76-7)
- 2-(4-Chlorophenyl)-5’-fluoro-2’-hydroxyacetophenone (CAS 527751-48-0)
- 1-(7-Methoxy-1H-indol-3-yl)ethan-1-one (CAS 944086-13-9)
- L-Cysteine- (CAS 42294-52-0)
- (D-Trp32)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 153549-78-1)
Why CATO?
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