2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-ethylphenyl)-N-methyl-4-phenylthiophene-3-sulfonamide CAS 1173745-62-4
| CAS No. | 1173745-62-4 |
| Molecular Formula | C25H25N3O3S2 |
| Molecular Weight | 479.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 479.61 g/mol gives 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-ethylphenyl)-N-methyl-4-phenylthiophene-3-sulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-ethylphenyl)-N-methyl-4-phenylthiophene-3-sulfonamide (CAS 1173745-62-4), molecular formula C25H25N3O3S2 and molecular weight 479.61 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-ethylphenyl)-N-methyl-4-phenylthiophene-3-sulfonamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 479.61 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-ethylphenyl)-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.
Physical & Chemical Properties
| Molecular Formula | C25H25N3O3S2 |
| Molecular Weight | 479.61 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 |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Dimethyl Standards
- 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-methyl-N,4-bis(4-methylphenyl)thiophene-3-sulfonamide (CAS 1173751-96-6)
- Dimethyl 2-((1-(2-ethoxy-2-oxoethyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)methyl)-2-isobutylmalonate (CAS 94006-08-3)
- Dimethyl 4-(2-(benzyloxy)-4-fluorophenyl)-2,6-diisopropylpyridine-3,5-dicarboxylate (CAS 470717-47-6)
- {5-[1,3-Dimethyl-5-(trifluoromethyl)-1,3-dihydro-2H-benzimidazol-2-ylidene]-4-oxo-2-thioxo-1,3-thiazolidin-3-yl}(phenyl)acetic acid (CAS 84696-96-8)
- (2-(7,7-Dimethyl-1-oxo-1,3,4,6,7,8-hexahydro-2H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)methyl acetate (CAS 1899834-77-5)
- Dimethyl 2-(2-nitro-4-(trifluoromethyl)phenyl)-2-(3-(trifluoromethyl)benzyl)malonate (CAS 865658-14-6)
- Bis(2,9-dimethyl-1,10-phenanthroline)copper(II) ion (CAS 14875-91-3)
- Bis(2,9-dimethyl-1,10-phenanthroline)copper(1+) (CAS 21710-12-3)
Recommended Standards
- 2-((3-Ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(2-methoxy-5-methylphenyl)acetamide (CAS 1040632-30-1)
- 2-((3-Ethyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(2-methoxybenzyl)acetamide (CAS 1040631-94-4)
- (βS)-β-[[(1R)-1-Phenylethyl](phenylmethyl)amino]-4-(phenylmethoxy)-benzenepropanoic Acid Methyl Ester (CAS 134430-95-8)
- (Z)-tert-Butyl 2-(((1-(5-amino-1,2,4-thiadiazol-3-yl)-2-(benzo[d]thiazol-2-ylthio)-2-oxoethylidene)amino)oxy)-2-methylpropanoate (CAS 1040749-96-9)
- rac trans-Paroxetine-d4 Hydrochloride (CAS 1217753-24-6)
- 2-((4-Chlorobenzyl)thio)-8-methyl-4H-pyrido[1,2-a][1,3,5]triazin-4-one (CAS 303145-47-3)
- 5-((6-Chlorohexyl)oxy)pentan-1-ol (CAS 1852573-27-3)
- 5-(3-Fluorophenyl)-2-(trifluoromethyl)pyridine (CAS 1214352-59-6)
- (3-Bromo-5-methylthiophen-2-yl)methanol (CAS 1448896-91-0)
- Iron(III) Stearate (CAS 555-36-2)
- Betamethasone impurity 64 (CAS CATO-C4X-143764)
- 1-Phenylpyrazole-5-carbaldehyde (CAS 132274-70-5)
- 2,2,2-trifluoro-1-(3-isopropylphenyl)ethanone (CAS 155628-02-7)
- Peptide YY (13-36) (canine, mouse, porcine, rat) (CAS 86895-09-2)
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