2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-fluorophenyl)-N-methyl-4-phenylthiophene-3-sulfonamide CAS 1170266-71-3
| CAS No. | 1170266-71-3 |
| Molecular Formula | C23H20FN3O3S2 |
| Molecular Weight | 469.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-fluorophenyl)-N-methyl-4-phenylthiophene-3-sulfonamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-fluorophenyl)-N-methyl-4-phenylthiophene-3-sulfonamide (CAS 1170266-71-3), molecular formula C23H20FN3O3S2 and molecular weight 469.55 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-fluorophenyl)-N-methyl-4-phenylthiophene-3-sulfonamide (C23H20FN3O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 469.55 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C23H20FN3O3S2 |
| Molecular Weight | 469.55 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Dimethyl Standards
- 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-4-(3-fluorophenyl)-N-methyl-N-phenylthiophene-3-sulfonamide (CAS 1173059-85-2)
- 3,3-Dimethyl-11-(5-nitro-2-(m-tolyloxy)phenyl)-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (CAS 1024154-43-5)
- N-[[[2,5-Dimethyl-4-[2,2,2-Trifluoro-1-Hydroxy-1-(Trifluoromethyl)Ethyl]Phenyl]Amino]Carbonyl]-2,6-Difluorobenzamide (CAS 94157-92-3)
- 1-(4-{2-[3-(2,5-dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]pyrazolo[1,5-a]pyrimidin-7-yl}phenyl)-4-methylpiperazine (CAS 691868-66-3)
- Dimethyl [1,1'-bianthracene]-2,2'-dicarboxylate (CAS 63232-63-3)
- Dimethyl 3,3'-disulfanediyl(2R,2'R)-bis(2-((tert-butoxycarbonyl)amino)propanoate) (CAS 77826-55-2)
- 2-(8,8-Dimethyl-4-oxo-7,10-dihydro-8H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-3(4H)-yl)-N-(naphthalen-1-yl)acetamide (CAS 844836-25-5)
- (2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene) bis(4-methylbenzenesulfonate) (CAS 136881-55-5)
Recommended Standards
- ABT-072, >98% (HPLC) (CAS 1132936-00-5)
- 2-(4-Methoxyphenyl)-1-oxo-N-(pyridin-4-ylmethyl)-3-(thiophen-3-yl)-1,2,3,4-tetrahydroisoquinoline-4-carboxamide (CAS 1022058-80-5)
- Ethyl (4-((((2R,4R)-2-((1H-imidazol-1-yl)methyl)-2-(4-methoxyphenyl)-1,3-dioxolan-4-yl)methyl)thio)phenyl)carbamate (CAS 124784-31-2)
- Morinidazole Impurity 13 (CAS CATO-C4X-219613)
- tert-Butyl 3-oxo-2-(2-oxo-2-(2-phenoxyethoxy)ethyl)piperazine-1-carboxylate (CAS 1009751-17-0)
- 3-Amino-2-[(2-chlorophenyl)methyl]propanoic acid (CAS 851191-83-8)
- Rel-(2R,5S)-1-((1-(hydroxymethyl)cyclopentyl)glycyl)pyrrolidine-2,5-dicarbonitrile (CAS 866396-34-1)
- 2-Chloro-5,6,7,8-tetrahydroquinazolin-4(3H)-one (CAS 178308-51-5)
- Methyl 3-methyl-3H-imidazo[4,5-b]pyridine-6-carboxylate (CAS 1171920-82-3)
- Atorvastatin Impurity 17 (CAS 1795791-15-9)
- Doxofylline Impurity 48 (CAS CATO-C4X-151348)
- Methyl 3'-methyl-[1,1'-biphenyl]-3-carboxylate (CAS 128460-74-2)
- 4-Amino-N-((1-ethylpyrrolidin-2-yl)methyl)-5-(ethylsulfonyl)-2-methoxybenzamide hydrochloride (CAS 81342-13-4)
- Peptide 441 (CAS CATO-CPTD788441)
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