Levosimendan Impurity N2 CAS 36725-26-5
| CAS No. | 36725-26-5 |
| Molecular Formula | C13H15NO4 |
| Molecular Weight | 249.26 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Levosimendan Impurity N2 (CAS 36725-26-5) is a certified pharmaceutical impurity reference standard with the molecular formula C13H15NO4 and a molecular weight of 249.26 g/mol.
Structurally, Levosimendan Impurity N2 (C13H15NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. 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 249.26 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Levosimendan Impurity N2 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 | C13H15NO4 |
| Molecular Weight | 249.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 1 |
Related Levosimendan Standards
- Levosimendan Impurity 60 (CAS CATO-C4X-130860)
- Levosimendan Impurity N1 (CAS 36725-27-6)
- Levosimendan Impurity 35 (CAS 220246-81-1)
- Levosimendan impurity 77 (CAS CATO-C4X-130877)
- Levosimendan Impurity 12 (CAS CATO-C4X-130812)
- Levosimendan Impurity 44 (CAS 63514-63-6)
- Levosimendan impurity 75 (CAS CATO-C4X-130875)
- Levosimendan impurity 74 (CAS CATO-C4X-130874)
Recommended Standards
- Ethyl2-cyano-2-(3,5-dimethoxyphenyl)acetate (CAS 861064-92-8)
- Methyl (R)-2-(((benzyloxy)carbonyl)amino)but-3-enoate (CAS 98854-91-2)
- ethyl 4-[(3-methoxyphenyl)amino]-2-oxobut-3-enoate (CAS 950110-33-5)
- Methyl (S)-2-(Cbz-amino)-3-butenoate (CAS 75266-40-9)
- Piperazine impurity 50 (CAS CATO-C4X-242750)
- Progesterone Impurity 99 (CAS 78822-16-9)
- Faropenem Impurity 39 (CAS CATO-C4X-128939)
- 2-(2-Formyl-1H-imidazol-1-yl)acetic acid (CAS 1321594-28-8)
- 1-(2-(4-Methyl-5,6-dihydropyridin-1(2H)-yl)ethyl)guanidine sulfate (CAS 1562-71-6)
- 2,3,6-Trifluorobenzoic Acid (CAS 2358-29-4)
- Atrasentan Impurity 5 (CAS CATO-C4X-33475)
- 3-Cyanophenyl cyclobutyl ketone (CAS 898790-48-2)
- Tideglusib (benzyl-d7) (CAS CATO-C3D-3720)
- Semaglutide Impurity 82 (CAS CATO-C4X-222682)
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