Sulfadiazine EP Impurity E CAS 127-74-2
| CAS No. | 127-74-2 |
| Molecular Formula | C12H12N4O3S |
| Molecular Weight | 292.31 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Sulfadiazine EP Impurity E under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Sulfadiazine EP Impurity E (CAS 127-74-2) is a certified pharmaceutical impurity reference standard with the molecular formula C12H12N4O3S and a molecular weight of 292.31 g/mol.
Sulfadiazine EP Impurity E (C12H12N4O3S) contains a nitrogen-containing heterocyclic scaffold, 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).
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.
Physical & Chemical Properties
| Molecular Formula | C12H12N4O3S |
| Molecular Weight | 292.31 g/mol |
| Purity | >95% |
| 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.) | 1957 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Sulfadiazine Standards
- Sulfadiazine impurity 4 (CAS 1027941-35-0)
- Sulfadiazine lmpurity 6 (CAS CATO-C4X-150416)
- Sodium Sulfadiazine (CAS 547-32-0)
- Sulfadiazine Impurity 1 (4-Hydroxy Sulfadiazine) (CAS 56305-66-9)
- Sulfadiazine lmpurity 4 (CAS CATO-C4X-150414)
- Sulfadiazine-13C6 (CAS 1189426-16-1)
- Sulfadiazine-D4 (CAS 1020719-78-1)
- Sulfadiazine (CAS 68-35-9)
Recommended Standards
- Torasemide Impurity 20 (CAS CATO-C4X-183620)
- Acetylcysteine Impurity 8 (CAS CATO-C4X-15328)
- Tert-butyl2,2-difluoro-1-oxa-4,9-diazaspiro[5.5]undecane-9-carboxylate (CAS 1179337-15-5)
- Acetylcysteine Impurity 57 (CAS CATO-C4X-153257)
- Metoprolol Impurity 36 (CAS CATO-C4X-136736)
- Levofloxacin Impurity 38 (CAS 2130840-92-3)
- Trazodone EP Impurity A HCl (CAS 55290-66-9)
- Terrinolide (CAS 569-33-5)
- 1,3-Dichloro-2-cyclopropylbenzene (CAS 1227417-84-6)
- 9-Bromo-16α,17-epoxy-11β-hydroxyprogesterone (CAS 110053-24-2)
- 4,5-Diiodo-1H-pyrrole-2-carbonitrile (CAS 51148-01-7)
- 3-((tert-Butoxycarbonyl)amino)-4,5-dimethoxybenzoic acid (CAS 2229299-38-9)
- 2-((6,7-Dimethoxyquinazolin-4-yl)amino)-1-(naphthalen-2-yl)ethan-1-ol (CAS 477868-51-2)
- D-[His]1-Semaglutide (CAS CATO-C4X-222652)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com