1,3-Diphenyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid CAS 24086-34-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 24086-34-8 |
| Molecular Formula | C18H12N2O2S |
| Molecular Weight | 320.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1,3-Diphenyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid (CAS 24086-34-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H12N2O2S. Molecular weight: 320.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H12N2O2S |
| Molecular Weight | 320.37 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.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Diphenyl Standards
- 2-Methyl-5,7-diphenyl-2H-thiazolo[3,2-a]pyrimidin-3(5H)-one (CAS 138429-09-1)
- 4,4'-Diphenyl-2,2'-bithiazole (CAS 4072-63-3)
- 1,1-Diphenyl-2-(p-tolylthio)ethan-1-ol (CAS 303152-45-6)
- 1,5-Diphenyl-1H-1,2,4-triazole-3-sulfonyl chloride (CAS 1381947-55-2)
- 2,9-Diphenyl-9H-carbazole (CAS 1187235-30-8)
- 1,8-Diphenyl-9H-carbazole (CAS 1395717-74-4)
- 2,7-Diphenyl-9H-carbazole (CAS 42448-04-4)
- 3,6-Diphenyl-9H-carbazole (CAS 56525-79-2)
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