Diphenoxylate Impurity 1 CAS 24476-55-9
| CAS No. | 24476-55-9 |
| Molecular Formula | C19H20N2O2S |
| Molecular Weight | 340.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Diphenoxylate Impurity 1 (CAS 24476-55-9) is a high-purity analytical reference standard with the molecular formula C19H20N2O2S and a molecular weight of 340.44 g/mol.
Diphenoxylate Impurity 1 (C19H20N2O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H20N2O2S |
| Molecular Weight | 340.44 g/mol |
| Purity | 97%+ |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Diphenoxylate Standards
- Diphenoxylate Impurity 4 (CAS 84255-02-7)
- Diphenoxylate EP Impurity C (CAS 39186-58-8)
- 【禁售不询】Diphenoxylate Related Compound A CI(Secondary Standards traceble to USP) (CAS 28782-42-5)
- 【禁售不询】Diphenoxylate (CAS 915-30-0)
- Diphenoxylate EP Impurity B (CAS 4370-12-1)
- Diphenoxylate Hydrochloride (CAS 3810-80-8)
Recommended Standards
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- 4-Methoxy-1-(triisopropylsilyl)-1H-pyrrolo[2,3-c]pyridine (CAS 1186311-03-4)
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- (s)-1-Methyl-3-(piperidin-3-yl)-1,3-dihydro-2h-benzo[d]imidazol-2-one hydrochloride (CAS 2680615-69-2)
- N-Hexyl-2-methoxybenzamide (CAS 117116-04-8)
- Des-Pro31-Tirzepatide (CAS CATO-CPTD788943)
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