Zonisamide USP Related Compound C CAS 1217201-89-2
| CAS No. | 1217201-89-2 |
| Molecular Formula | C11H13N3O3S |
| Molecular Weight | 267.30 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Zonisamide USP Related Compound C (CAS 1217201-89-2) is a certified pharmaceutical impurity reference standard with the molecular formula C11H13N3O3S and a molecular weight of 267.30 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Zonisamide USP Related Compound C is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 267.30 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures Zonisamide USP Related Compound C 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.
Physical & Chemical Properties
| Molecular Formula | C11H13N3O3S |
| Molecular Weight | 267.30 g/mol |
| Purity | 97%+ |
| 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.) | 1990 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Zonisamide Standards
- Zonisamide impurity 9 (CAS CATO-C4X-17859)
- Zonisamide Impurity 1 (CAS CATO-C4X-17851)
- Zonisamide sodium salt (CAS 68291-98-5)
- Zonisamide Chloride (CAS 73101-65-2)
- Zonisamide Impurity 17 (CAS CATO-C4X-178517)
- Zonisamide impurity 8 (CAS CATO-C4X-17858)
- Zonisamide Impurity 4 (CAS 68292-02-4)
- Zonisamide-d4 (CAS 1020720-04-0)
Recommended Standards
- Tiopronin S-Benzoyl Impurity (CAS 6183-01-3)
- Leucogen Impurity 8 (CAS 97418-52-5)
- tert-Butyl 8-fluoro-1-hydroxy-3,4-dihydroisoquinoline-2(1H)-carboxylate (CAS 2757409-65-5)
- Sulfamoxol (CAS 729-99-7)
- Decitabine Impurity 35 (CAS 896451-03-9)
- Loxoprofen impurity 91 (CAS CATO-C4X-148891)
- Clofazimine Impurity 20 (CAS CATO-C4X-207120)
- 2-(1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperidin-4-yl)acetohydrazide (CAS 537050-18-3)
- Ethyl 3-(N-BOC-piperidin-4-yl)propioate (CAS 301232-45-1)
- n,2-Dimethylpropane-1-sulfonamide (CAS 131817-25-9)
- 5-Methyl-4-(piperidin-1-ylmethyl)furan-2-carboxylic acid (CAS 299920-95-9)
- Dapoxetine Impurity 17 (CAS 41198-42-9)
- 4'-Chloro-[1,1'-biphenyl]-2-amine hydrochloride (CAS 824414-14-4)
- Neuropeptide S (human) (CAS 412938-67-1)
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