Phenithionate CAS 83538-74-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83538-74-3 |
| Molecular Formula | C19H15N3O3S |
| Molecular Weight | 365.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Phenithionate (CAS 83538-74-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H15N3O3S. Molecular weight: 365.41 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H15N3O3S |
| Molecular Weight | 365.41 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
- N-(Furan-2-ylmethyl)-2-((5-phenylthieno[2,3-d]pyrimidin-4-yl)oxy)acetamide (CAS 729579-66-2)
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- N-(Benzo[d]thiazol-2-yl)-1-ethyl-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxamide (CAS 300716-43-2)
- (2E)-2-[1-[2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]-4-hydroxy-3-piperidinylidene]acetic Acid Ethyl Ester (Mixture of Diastereomers) (CAS 204205-15-2)
- (r)-2-Amino-2-(2,5-dimethoxyphenyl)ethan-1-ol (CAS 1213699-10-5)
- Trametinib Impurity N10 (CAS 1383430-04-3)
- 2-Bromo-N-ethyl-N-(m-tolyl)butanamide (CAS 1119450-24-6)
- 3-(sec-Butyl)-5-((3-(4-fluorophenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-2-thioxothiazolidin-4-one (CAS 623935-65-9)
- Cefaclor Impurity 62 (CAS CATO-C4X-127062)
- Neuropeptide W-23 (human) (CAS 383415-79-0)
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 13829788188 / jacky.chen@cato-chem.com