Dapsone Impurity 9 CAS 5461-23-4
| CAS No. | 5461-23-4 |
| Molecular Formula | C12H10N2O3S |
| Molecular Weight | 262.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Dapsone Impurity 9 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 Dapsone Impurity 9 (CAS 5461-23-4), a certified reference material (molecular formula C12H10N2O3S, MW 262.28 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Dapsone Impurity 9 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 262.28 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C12H10N2O3S |
| Molecular Weight | 262.28 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dapsone Standards
- Dapsone Hydroxylamine (CAS 32695-27-5)
- Dapsone Hydroxylamine Deuterated (CAS 198486-78-1)
- Dapsone Impurity 16 (CAS 148301-96-6)
- Dapsone EP Impurity E (CAS 7146-68-1)
- Dapsone Impurity 22 (CAS 64896-96-4)
- Dapsone Impurity 25 (CAS 32631-31-5)
- Dapsone-d8(major) (CAS 557794-38-4)
- Dapsone Hydroxylamine-d4 (CAS 1330185-26-6)
Recommended Standards
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- Ethanolamine Hydrochloride (CAS 2002-24-6)
- [[2-(4-Ethylpiperazin-1-yl)-2-oxoethyl]-(4-methoxyphenyl)amino]acetic acid (CAS 1142205-31-9)
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