Chlorpromazine Impurity 11 CAS CATO-C4X-142111
| CAS No. | CATO-C4X-142111 |
| Molecular Formula | C17H19ClN2O2S |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C17H19ClN2O2SHCl, Chlorpromazine Impurity 11 contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 387.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Chlorpromazine Impurity 11 (CAS CATO-C4X-142111) is a certified pharmaceutical impurity reference standard with the molecular formula C17H19ClN2O2SHCl and a molecular weight of 387.32 g/mol.
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), Chlorpromazine Impurity 11 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 | C17H19ClN2O2S HCl |
| Molecular Weight | 387.32 g/mol |
| Purity | >95% |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorpromazine Standards
- Chlorpromazine N-Oxide Sulfoxide (CAS 10404-90-7)
- Chlorpromazine EP Impurity D (CAS 1225-64-5)
- Chlorpromazine-D6 hydrochloride (CAS 1228182-46-4)
- Chlorpromazine-d6 Oxalate (N,N-dimethyl-d6) (CAS 1276197-23-9)
- Chlorpromazine-13C,d3 Hydrochloride (CAS 1329612-87-4)
- Chlorpromazine Sulphoxide N-Oxide Maleate (CAS 150111-59-4)
- Chlorpromazine impurity 18 HCl (CAS 15502-93-9)
- Chlorpromazine Impurity 12 (CAS 1672-76-0)
Recommended Standards
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- Levocabastine impurity 17 (CAS CATO-C4X-228917)
- Cefepime Impurity 20 (CAS 112533-07-0)
- 8-Bromo-4-hydroxyquinoline-2-carboxylic acid (CAS 10174-71-7)
- 1-Cyclohexyl-3-((2,3,4,9-tetrahydro-1H-carbazol-6-yl)methyl)thiourea (CAS 852140-17-1)
- n-(2-Bromobenzyl)-1-methyl-1h-pyrazol-3-amine (CAS 1182928-33-1)
- Dabrafenib Impurity 37 (CAS CATO-C4X-303337)
- 2-oxo-2,3-dihydro-1H-benzo[d]imidazole-5-carbaldehyde (CAS 106429-59-8)
- N-Ethyl-1-naphthylamine (CAS 118-44-5)
- Liraglutide (13-21) TFA Salt (CAS CATO-C4X-19928)
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