Acotiamide Impurity 38 CAS 877998-00-0
| CAS No. | 877998-00-0 |
| Molecular Formula | C14H14N2O6S |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a process- or degradation-related impurity, Acotiamide Impurity 38 (CAS 877998-00-0, C14H14N2O6SCH4O) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Acotiamide Impurity 38 (C14H14N2O6SCH4O) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), Acotiamide Impurity 38 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 | C14H14N2O6S CH4O |
| Molecular Weight | 370.38 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Acotiamide Standards
- Acotiamide Impurity M (CAS 118452-02-1)
- Acotiamide Impurity 21 (CAS 118452-04-3)
- Acotiamide Impurity 25 (CAS 163936-30-9)
- Acotiamide Impurity 4 (CAS 1809272-85-2)
- Acotiamide Impurity 3 (CAS 1824734-16-8)
- Acotiamide Impurity 23 (CAS 185103-81-5)
- Acotiamide Impurity 28 (CAS 185104-11-4)
- Acotiamide Impurity 7 (CAS 185105-13-9)
Recommended Standards
- Upadacitinib Impurity 167 (CAS CATO-C4X-2405167)
- Latamoxef Impurity 24 (CAS CATO-C4X-179824)
- Iohexol impurity 43 (CAS CATO-C4X-166443)
- Methyl 4-((3-methyl-4-nitrophenoxy)methyl)benzoate (CAS 832740-32-6)
- Trimethylphenylammonium-d9 Iodide (CAS 88278-22-2)
- Tri(pyrrolidin-1-yl)borane (CAS 4426-24-8)
- 6-Chloro-5-phenylpyrimidin-4-amine (CAS 3974-20-7)
- N-(1-hydroxy-2-methylpropan-2-yl)benzamide (CAS 19312-05-1)
- Ramelteon Impurity 21 (CAS 1440962-32-2)
- Glucagon Monohydrochloride (CAS 28270-04-4)
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