3-(1,3-Benzothiazol-2-yl)-4-[3-(4-methoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]but-3-enoic acid CAS 926189-73-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 926189-73-3 |
| Molecular Formula | C27H21N3O3S |
| Molecular Weight | 467.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-(1,3-Benzothiazol-2-yl)-4-[3-(4-methoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]but-3-enoic acid (CAS 926189-73-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H21N3O3S. Molecular weight: 467.54 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C27H21N3O3S |
| Molecular Weight | 467.54 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Benzothiazol Standards
Recommended Standards
- (S)-2'-(Diphenylphosphino)-N-methyl-[1,1'-binaphthalen]-2-amine (CAS 371783-24-3)
- 4-(1-(2-(2-((4-Ethyl-5-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)acetyl)hydrazono)ethyl)phenyl acetate (CAS 303103-06-2)
- PF-06471553, >98% (HPLC) (CAS 1808094-07-6)
- 6,8-Dimethyl-1H-imidazo[4,5-h]quinoline (CAS 137654-49-0)
- 3,4,6-TRi-o-acetyl-2-deoxy-2-phthalimido-b-d-glucopyranosyl fluoride (CAS 130539-42-3)
- Diethyl pyrocarbonate (CAS 1609-47-8)
- Rocuronium Impurity 26 (CAS CATO-C4X-124226)
- 2-(cyclohept-1-en-1-yl)ethan-1-amine hydrochloride (CAS 1797358-94-1)
- (3β,20S)-Pregn-5-ene-3,17,20-triol (CAS 903-67-3)
- Semaglutide238 (CAS CATO-C4X-2226238)
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