Etoricoxib Impurity 36 CAS 33963-58-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33963-58-5 |
| Molecular Formula | C8H8O3S |
| Molecular Weight | 184.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Etoricoxib Impurity 36 (CAS 33963-58-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H8O3S. Molecular weight: 184.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H8O3S |
| Molecular Weight | 184.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Sulfur Atoms | 1 |
Related Etoricoxib Standards
- Etoricoxib Impurity 87 (CAS 26524-93-6)
- Etoricoxib Impurity 78 (CAS 99055-63-7)
- Etoricoxib Impurity 73 (CAS 1937252-96-4)
- Etoricoxib Impurity 36 (CAS 874-87-3)
- Etoricoxib Impurity 37 (CAS 118362-28-0)
- Etoricoxib Impurity 3 (CAS 10297-73-1)
- Etoricoxib Impurity 4 (CAS 4052-30-6)
- Etoricoxib Impurity 31 (CAS 93629-02-8)
Recommended Standards
- Ethyl thiophenene-3-glyoxylate (CAS 53091-09-1)
- L-Tyrosine-d3 (CAS 71939-39-4)
- Ethyl 5-formylthiophene-3-carboxylate (CAS 67808-67-7)
- Potassium hydridotris(3-phenylpyrazolyl)borate (CAS 106209-98-7)
- Ethyl 3-amino-4-(methylsulfonyl)-5-(methylthio)thiophene-2-carboxylate (CAS 519056-53-2)
- 6,8-Dioxabicyclo[3.2.1]octan-7-one (CAS 5257-20-5)
- 2-(1-(1H-pyrazol-1-yl)cyclobutyl)ethan-1-ol (CAS 2489784-72-5)
- 4-Allyl-piperidine-1,4-dicarboxylic acid mono-tert-Butyl ester (CAS 495414-58-9)
- 4-Chloro-6-(cyanomethyl)-5-(difluoromethyl)picolinonitrile (CAS 1805051-46-0)
- Peptide Impurity 64 (CAS CATO-CPTD788964)
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