Benzylpenicillin (Benzathine) Tetrahydrate EP Impurity A CAS 4152-09-4
| CAS No. | 4152-09-4 |
| Molecular Formula | C9H14N2 |
| Molecular Weight | 150.22 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Benzylpenicillin (Benzathine) Tetrahydrate EP Impurity A.
As a process- or degradation-related impurity, Benzylpenicillin (Benzathine) Tetrahydrate EP Impurity A (CAS 4152-09-4, C9H14N2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Benzylpenicillin (Benzathine) Tetrahydrate EP Impurity A (C9H14N2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), Benzylpenicillin (Benzathine) Tetrahydrate EP Impurity A 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 | C9H14N2 |
| Molecular Weight | 150.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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.) | 1958 |
| Nitrogen Atoms | 2 |
Related Benzylpenicillin Standards
- Benzylpenicillin CP Impurity G (CAS CATO-C4X-18997)
- Benzylpenicillin Impurity N1 (CAS 64950-14-7)
- Benzylpenicillin Impurity 34 (CAS 56609-07-5)
- Benzylpenicillin CP Impurity H (CAS 500-98-1)
- Benzylpenicillin Impurity 74 (CAS 5259-87-0)
- Benzylpenicillin Impurity 56 (CAS CATO-C4X-189956)
- Benzylpenicillin Impurity 77 (CAS CATO-C4X-189977)
- Benzylpenicillin Impurity 55 (CAS 64527-07-7)
Recommended Standards
- Dyclonine Impurity 6 (CAS 3180-09-4)
- Topicamide lmpurity 9 (CAS CATO-C4X-21509)
- 2-(2-Dimethylaminoethyl)pyridine (CAS 6304-27-4)
- 1- (2-ethylphenyl) ethanol (CAS 19161-17-2)
- Exemestane Impurity 33 (CAS CATO-C4X-164133)
- Opicapone Impurity 48 (CAS CATO-C4X-240448)
- Oryzanol Impurity 7 (CAS 20972-07-0)
- 3-Bromo-5-fluoro-2-(3-(trifluoromethyl)-3H-diazirin-3-yl)pyridine (CAS 2231675-76-4)
- Tert-butyl (2-(3-hydroxyprop-1-yn-1-yl)pyridin-3-yl) carbonate (CAS 1142192-35-5)
- Sevoflurane Impurity 4 (CAS 194039-81-1)
- glucosyringic acid (CAS 33228-65-8)
- 1-(4-(Benzyloxy)phenyl)-6-oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic acid (CAS 2146079-62-9)
- 2-(Chloromethyl)-3-(trifluoromethyl)pyridine (CAS 215867-86-0)
- Semaglutide impurity 49 (CAS CATO-C4X-222649)
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