4-((4-Chlorobenzyl)thio)-5-ethoxy-2-phenylpyridazin-3(2H)-one CAS 5509-74-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5509-74-0 |
| Molecular Formula | C19H17ClN2O2S |
| Molecular Weight | 372.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((4-Chlorobenzyl)thio)-5-ethoxy-2-phenylpyridazin-3(2H)-one (CAS 5509-74-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H17ClN2O2S. Molecular weight: 372.87 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H17ClN2O2S |
| Molecular Weight | 372.87 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorobenzyl Standards
- 2-(4-Chlorobenzyl)-N-(2-methoxybenzyl)thiazole-4-carboxamide (CAS 478030-54-5)
- 2-(4-Chlorobenzyl)-N-(4-methoxybenzyl)thiazole-4-carboxamide (CAS 478030-53-4)
- (E)-1-(4-chlorobenzyl)-5,6-dimethyl-2-styryl-1H-benzo[d]imidazole (CAS 321433-08-3)
- 1-(4-Chlorobenzyl)-3-phenyl-1-(3,3,3-trifluoro-2-hydroxypropyl)urea (CAS 478258-83-2)
- 2-((2-Chlorobenzyl)amino)-2-oxoethyl 5-bromofuran-2-carboxylate (CAS 386277-36-7)
- 1-(3-Chlorobenzyl)-N-(4-chlorophenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 338754-84-0)
- 1-(4-Chlorobenzyl)-N-(2-chlorophenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 899991-32-3)
- 1-(4-Chlorobenzyl)-N-(4-chlorophenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 338782-75-5)
Recommended Standards
- 3-Chloro-N-(2-(2-(4-methoxyphenyl)thiazol-4-yl)ethyl)benzamide (CAS 863513-56-8)
- 4-Chloro-N-(2-(2-(4-methoxyphenyl)thiazol-4-yl)ethyl)benzamide (CAS 863513-55-7)
- 3-Amino-N-(4-chlorophenyl)-6-methyl-5,6,7,8-tetrahydrothieno[2,3-b][1,6]naphthyridine-2-carboxamide (CAS 371222-56-9)
- Phenyl 3-oxobutanoate (CAS 6864-62-6)
- 3-(3-Fluoro-4-methylbenzyl)pyrrolidine (CAS 1337103-42-0)
- rac-(2R,3R)-2-(4-chlorophenyl)oxolane-3-carboxylic acid (CAS 1820580-87-7)
- 1-(Allyloxy)-3-bromobenzene (CAS 41388-50-5)
- 3,3'-Oxybis(3-cyclohexyl-1,1,5,5-tetramethyltrisiloxane) (CAS 302912-36-3)
- 1-(5-Phenylpyrrolidin-3-yl)ethanone (CAS 72612-42-1)
- Allo-D-Ile12-Tirzepatide (CAS CATO-CPTD788963)
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