1-((5-Chloro-3-methylbenzo[b]thiophen-2-yl)sulfonyl)-4-(2-hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one CAS 861207-40-1
| CAS No. | 861207-40-1 |
| Molecular Formula | C15H15ClN2O4S2 |
| Molecular Weight | 386.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-((5-Chloro-3-methylbenzo[b]thiophen-2-yl)sulfonyl)-4-(2-hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
1-((5-Chloro-3-methylbenzo[b]thiophen-2-yl)sulfonyl)-4-(2-hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one (CAS 861207-40-1) is a high-purity analytical reference standard with the molecular formula C15H15ClN2O4S2 and a molecular weight of 386.87 g/mol.
Based on its molecular formula C15H15ClN2O4S2, 1-((5-Chloro-3-methylbenzo[b]thiophen-2-yl)sulfonyl)-4-(2-hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 386.87 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H15ClN2O4S2 |
| Molecular Weight | 386.87 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 1-((4-((2-Chlorothiazol-5-yl)methoxy)phenyl)sulfonyl)piperidin-4-one (CAS 860787-37-7)
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- 2-(4-Benzylpiperazin-1-yl)-4-(4-chlorophenyl)-4-oxobutanoic acid (CAS 301193-88-4)
- Methyl 4-bromo-3-(dibromomethyl)benzoate (CAS 877624-37-8)
- (3,5-Dichlorophenyl)(2-iodophenyl)methanone (CAS 951891-56-8)
- 4-Fluoro-2-(isopentyloxy)benzoic acid (CAS 1443324-91-1)
- (S)-(4-Fluorophenyl)(2-(pyrrolidin-2-yl)thiazol-4-yl)methanone hydrochloride (CAS 1263876-35-2)
- 4-[(2-Fluoro-6-nitrophenoxy)methyl]-1-methylpiperidine (CAS 1233952-32-3)
- Etomidate Impurity 73 (CAS CATO-C4X-188473)
- (11bS)-8,9,10,11,12,13,14,15-Octahydro-2,6-diphenyl-N,N-bis[(1R)-1-phenylethyl]dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-amine (CAS 1642865-72-2)
- 5-Cyclopropoxy-2-ethylisonicotinaldehyde (CAS 1243316-10-0)
- Acetone oxime (CAS 127-06-0)
- 3-O-Dodecyl-sn-glycerol (CAS 90904-23-7)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
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 18665070610 / Nicole.chen@cato-chem.com