2-(4-Chlorophenyl)-5,5'-dimethyl-2'-(4-phenylthiazol-2-yl)-1',2'-dihydro-2H,3'H-[3,4'-bipyrazol]-3'-one CAS 129302-18-7
| CAS No. | 129302-18-7 |
| Molecular Formula | C23H18ClN5OS |
| Molecular Weight | 447.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-(4-Chlorophenyl)-5,5'-dimethyl-2'-(4-phenylthiazol-2-yl)-1',2'-dihydro-2H,3'H-[3,4'-bipyrazol]-3'-one (C23H18ClN5OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 447.94 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
2-(4-Chlorophenyl)-5,5'-dimethyl-2'-(4-phenylthiazol-2-yl)-1',2'-dihydro-2H,3'H-[3,4'-bipyrazol]-3'-one (CAS 129302-18-7), molecular formula C23H18ClN5OS and molecular weight 447.94 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-(4-Chlorophenyl)-5,5'-dimethyl-2'-(4-phenylthiazol-2-yl)-1',2'-dihydro-2H,3'H-[3,4'-bipyrazol]-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.
Physical & Chemical Properties
| Molecular Formula | C23H18ClN5OS |
| Molecular Weight | 447.94 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 1-(4-Chlorophenyl)-3-methyl-n-(3-methyl-1-phenyl-1h-pyrazol-5-yl)-1h-thieno[2,3-c]pyrazole-5-carboxamide (CAS 380238-17-5)
- 2-(((4-(4-Chlorophenyl)-5-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)methyl)-1H-benzo[d]imidazole (CAS 618880-66-3)
- 2'-(4-(4-Chlorophenyl)thiazol-2-yl)-5,5'-dimethyl-2-phenyl-1',2'-dihydro-2H,3'H-[3,4'-bipyrazol]-3'-one (CAS 318949-54-1)
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Recommended Standards
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- tert-Butyl (S)-4-(2-(4-chloro-2-fluorophenyl)-2-methylbenzo[d][1,3]dioxol-4-yl)piperidine-1-carboxylate (CAS 2401894-43-5)
- tert-Butyl (R)-4-(2-(4-chloro-2-fluorophenyl)-2-methylbenzo[d][1,3]dioxol-4-yl)piperidine-1-carboxylate (CAS 2401894-42-4)
- 2-((4-Chlorobenzyl)thio)-8,9,13b,14-tetrahydro-6H-[1,2,4]triazolo[5'',1'':2',3']pyrimido[4',5':4,5]pyrido[2,1-a]isoquinolin-6-one (CAS 344262-99-3)
- 2,2,3,3-Tetramethyl-4,7,10-trioxa-3-siladodecan-12-yl 4-methylbenzenesulfonate (CAS 199484-66-7)
- 1-(5-Methyl-2-nitrophenoxy)-2-(2-nitrophenoxy)ethane (CAS 96315-08-1)
- Butyl[(4-methylphenyl)methyl]amine hydrochloride (CAS 16183-22-5)
- Vildagliptin Impurity 65 (CAS CATO-C4X-110065)
- Benzhydryl carbamimidothioate hydrobromide (CAS 90280-15-2)
- 3-Bromo-2,6-dimethoxy-5-methylpyridine (CAS 145916-05-8)
- 2-Propenoic acid, polymer with ethenylbenzene, 2-ethylhexyl 2-propenoate and ethyl 2-propenoate (CAS 26300-52-7)
- (R)-Methyl 3-hydroxy-3,4-dihydro-2H-pyrrole-5-carboxylate (CAS 114046-87-6)
- 2'-Hydroxychalcone hydrazone (CAS 4590-70-9)
- Antifreeze Polypeptide 6 (winter flounder) trifluoroacetate salt (CAS 122604-16-4)
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