Methyl 5-[(4-chlorophenyl)sulfanyl]-4-[(hydroxyimino)methyl]-1-phenyl-1H-pyrazole-3-carboxylate CAS 318237-99-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318237-99-9 |
| Molecular Formula | C18H14ClN3O3S |
| Molecular Weight | 387.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-[(4-chlorophenyl)sulfanyl]-4-[(hydroxyimino)methyl]-1-phenyl-1H-pyrazole-3-carboxylate (CAS 318237-99-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H14ClN3O3S. Molecular weight: 387.84 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H14ClN3O3S |
| Molecular Weight | 387.84 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 5-(2-Chlorophenyl)-3-[5-phenyl-2-(1H-pyrrol-1-yl)furan-3-yl]-1,2,4-oxadiazole (CAS 478077-53-1)
- 1-(5-(3-Chlorophenyl)-3-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-3-morpholinopropan-1-one (CAS 1797883-58-9)
- 1-(3-(4-Chlorophenyl)-5-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-3-morpholinopropan-1-one (CAS 500195-98-2)
- 2-(4-(3-Chlorophenyl)piperazin-1-yl)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide (CAS 329079-95-0)
- 4-Chlorophenyl 6-methyl-2-(p-tolyl)quinoline-4-carboxylate (CAS 355419-82-8)
- N-(2-(4-(4-chlorophenyl)piperazin-1-yl)-2-oxoethyl)-4-methoxybenzamide (CAS 338419-58-2)
- 3-((4-Chlorophenyl)thio)-N-((dimethylamino)methylene)-5-(trifluoromethyl)picolinamide (CAS 338406-91-0)
- 2-(((2-(4-Chlorophenyl)-5-methyloxazol-4-yl)methyl)thio)-5,6,7,8-tetrahydroquinazolin-4(3H)-one (CAS 1040635-48-0)
Recommended Standards
- 4-Chloro-N-(triphenylphosphoranylidene)aniline (CAS 31641-65-3)
- N-(4-acetylphenyl)-2-((5-(4-chlorophenyl)-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 84327-85-5)
- 4-((4'-Chloro-[1,1'-biphenyl])-4-sulfonamido)benzoic acid (CAS 885269-32-9)
- Ethyl 4-chloro-6-iodoquinoline-3-carboxylate (CAS 206257-60-5)
- 4-(Hydroxymethyl)pyridin-3-ol hydrochloride (CAS 67992-19-2)
- N-(4-Nitro-5,6,7,8-tetrahydronaphthalen-1-yl)acetamide (CAS 40153-45-5)
- 2-Hydroxy-3-methyl-5-nitropyridine (CAS 21901-34-8)
- 2-Cyclohexylisonicotinic acid (CAS 1367951-28-7)
- 3-Amino-1-(3,3-dimethylbutyl)pyridin-2(1h)-one (CAS 1248367-92-1)
- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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