Sulfamethoxazole EP Impurity F CAS 17103-52-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 17103-52-5 |
| Molecular Formula | C10H11N3O3S |
| Molecular Weight | 253.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Sulfamethoxazole EP Impurity F (CAS 17103-52-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H11N3O3S. Molecular weight: 253.28 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H11N3O3S |
| Molecular Weight | 253.28 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Sulfamethoxazole Standards
- Sulfamethoxazole (CAS 723-46-6)
- Sulfamethoxazole-d4 (CAS 1020719-86-1)
- Sulfamethoxazole-13C6 (CAS 1196157-90-0)
- Sulfamethoxazole EP Impurity A (CAS 21312-10-7)
- Sulfamethoxazole Impurity 9 (CAS 18607-98-2)
- Sulfamethoxazole EP Impurity B (CAS 135529-16-7)
- Sulfamethoxazole EP Impurity C (CAS 1072-67-9)
- Sulfamethoxazole Impurity 11 (CAS CATO-C4X-190911)
Recommended Standards
- 76360-89-9 7-(Methylsulfanyl)-1-(propan-2-yl)-2H-pyrimido[4,5-d][1,3]oxazine-2,4(1H)-dione DTXSID70608754 (CAS 76360-89-9)
- N,N-dimethyl-1-(phenylsulfonyl)-1H-tetrazol-5-amine (CAS 338417-41-7)
- Dibromochloronitromethane (CAS 1184-89-0)
- Rimegepant Impurity 130 (CAS CATO-C4X-2487130)
- Crisaborole lmpurity 100 (CAS CATO-C4X-2021100)
- 6-Methyl-[1,2,4]triazolo[4,3-c]pyrimidin-5(6H)-one (CAS 452323-94-3)
- Methyl 2-amino-3-oxo-3-phenylpropanoate hydrochloride (CAS 38061-23-3)
- 1-Ethyl-1h-1,2,4-triazol-3-amine (CAS 42786-04-9)
- 2-(4-Benzoylphenyl)-N-[(1E)-[(4-chlorophenyl)amino]methylidene]-2-(4-fluorophenyl)acetamide (CAS 860609-46-7)
- Casein kinase II peptide Substrate (CAS 154444-98-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com