Promethazine lmpurity 32 CAS CATO-C4X-141832
| CAS No. | CATO-C4X-141832 |
| Molecular Formula | C4H10ClN |
| Molecular Weight | N/A |
| 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 Promethazine lmpurity 32.
CATO supplies Promethazine lmpurity 32 (CAS CATO-C4X-141832), a pharmacopoeial impurity reference standard (molecular formula C4H10ClNHCl, MW 144.04 g/mol) used for the identification and quantification of trace impurities in APIs.
Promethazine lmpurity 32 (C4H10ClNHCl) contains chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), Promethazine lmpurity 32 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 | C4H10ClN HCl |
| Molecular Weight | 144.04 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | -1.0 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Promethazine Standards
- Promethazine Impurity 24 (CAS 1070758-14-3)
- Promethazine Impurity 5 (CAS 108-14-5)
- Promethazine Impurity 11 (CAS 108-16-7)
- Promethazine Sulfoxide N-Oxide HCl (CAS 1135334-50-7)
- Promethazine-D4 Hydrochloride (CAS 1173018-74-0)
- Promethazine Sulfoxide-d6 (CAS 1189892-93-0)
- Promethazine-d6 Hydrochloride (CAS 1189947-02-1)
- Promethazine Impurity 27 (CAS 1209-66-1)
Recommended Standards
- Pitolisant impurity 21 (CAS CATO-C4X-252021)
- Buspirone EP Impurity L (CAS 21098-11-3)
- Ezetimibe Impurity 113 (CAS CATO-C4X-1098113)
- 4-(Difluoromethoxy)-2-fluorobenzaldehyde (CAS 1214358-05-0)
- 6-[(trifluoromethyl)sulfanyl]-1h-indole-2-carboxylic acid (CAS 923800-95-7)
- Sildenafil HCl (CAS 252920-86-8)
- N-Nitrosopiperidine (CAS 100-75-4)
- Nafamostat Impurity 54 (CAS CATO-C4X-133254)
- 2-(1-Phenylethyl)-2,3-dihydroisothiazole 1,1-dioxide (CAS 1373028-76-2)
- Serpent Peptide 2AcOH (CAS 823202-99-9(free base))
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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