Chlorpromazine N-Oxide Maleic Acid Salt CAS 18683-80-2
| CAS No. | 18683-80-2 |
| Molecular Formula | C17H19ClN2OS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Chlorpromazine N-Oxide Maleic Acid Salt 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.
CATO supplies Chlorpromazine N-Oxide Maleic Acid Salt (CAS 18683-80-2), a certified reference material (molecular formula C17H19ClN2OSC4H4O4, MW 450.93 g/mol) for analytical method development and quality control.
Structurally, Chlorpromazine N-Oxide Maleic Acid Salt (C17H19ClN2OSC4H4O4) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 450.93 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C17H19ClN2OS C4H4O4 |
| Molecular Weight | 450.93 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| 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
- 2-(Benzylamino)-2-(3,4-dichlorophenyl)acetonitrile (CAS 674768-69-5)
- (2R,3S)-2-methylpiperidin-3-ol (CAS 473808-93-4)
- Tert-butyl 3-(2-hydroxyethyl)-2-methylazetidine-1-carboxylate (CAS 2166698-24-2)
- 4-(2,5-Dimethylbenzyl)piperidin-4-ol (CAS 1225995-21-0)
- (S)-3-amino-1-methylpyrrolidin-2-one hydrochloride (CAS 956109-55-0)
- 2-Iodo-N-(m-tolyl)benzamide (CAS 58494-86-3)
- 4-fluoro-2-[1-(methoxymethoxy)ethyl]benzaldehyde (CAS 2044871-85-2)
- (S)-2-Aminohexane (CAS 70492-67-0)
- 2-(5-Chloro-2-methoxyphenyl)piperidine (CAS 526182-89-8)
- D-Tyr1-Tirzepatide (CAS CATO-CPTD788928)
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