Irsogladine Impurity 1 CAS CATO-C4X-29141
| CAS No. | CATO-C4X-29141 |
| Molecular Formula | C9H7Cl2N5 |
| Molecular Weight | 256.09 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Irsogladine Impurity 1 (CAS CATO-C4X-29141), a pharmacopoeial impurity reference standard (molecular formula C9H7Cl2N5, MW 256.09 g/mol) used for the identification and quantification of trace impurities in APIs.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, Irsogladine Impurity 1 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 256.09 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), Irsogladine Impurity 1 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 | C9H7Cl2N5 |
| Molecular Weight | 256.09 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Irsogladine Standards
- Irsogladine (CAS 57381-26-7)
- Irsogladine Impurity 6 (CAS CATO-C4X-29146)
- Irsogladine Impurity 7 (CAS CATO-C4X-29147)
- Irsogladine Impurity 8 (CAS CATO-C4X-29148)
- Irsogladine Impurity 2 (CAS 61382-84-1)
- Irsogladine Impurity 1 (CAS 30222-00-5)
- Irsogladine Impurity 4 (CAS CATO-C4X-29144)
- Irsogladine Impurity 1 (CAS 104766-03-2)
Recommended Standards
- Anagrelide (CAS 68475-42-3)
- Lamotrigine EP Impurity C (CAS 94213-23-7)
- Lamotrigine EP Impurity G (CAS 38943-76-9)
- Lamotrigine EP Impurity B (CAS 94213-24-8)
- Glimepiride EP Impurity E (CAS 2366968-77-4)
- Cabozantinib Impurity 16 (CAS 95932-39-1)
- Cisapride Impurity 4 (CAS 126657-53-2)
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- [(3-Phenoxyphenyl)methyl](propyl)amine (CAS 129535-80-4)
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