3-((2,6-Dichlorobenzyl)thio)-N-(p-tolyl)thiophene-2-carboxamide CAS 251096-90-9
| CAS No. | 251096-90-9 |
| Molecular Formula | C19H15Cl2NOS2 |
| Molecular Weight | 408.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-((2,6-Dichlorobenzyl)thio)-N-(p-tolyl)thiophene-2-carboxamide is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-((2,6-Dichlorobenzyl)thio)-N-(p-tolyl)thiophene-2-carboxamide (CAS 251096-90-9), molecular formula C19H15Cl2NOS2 and molecular weight 408.36 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, 3-((2,6-Dichlorobenzyl)thio)-N-(p-tolyl)thiophene-2-carboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 408.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 3-((2,6-Dichlorobenzyl)thio)-N-(p-tolyl)thiophene-2-carboxamide 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 | C19H15Cl2NOS2 |
| Molecular Weight | 408.36 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Dichlorobenzyl Standards
- 3-((2,4-Dichlorobenzyl)thio)-N-(p-tolyl)thiophene-2-carboxamide (CAS 251097-49-1)
- 2-((2,4-Dichlorobenzyl)amino)-1,1-bis(4-fluorophenyl)ethanol (CAS 338771-37-2)
- 1-(2,6-Dichlorobenzyl)-N-(2,4-difluorophenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 339008-61-6)
- N-(1-(3,4-dichlorobenzyl)-2-oxo-1,2-dihydropyridin-3-yl)benzenesulfonamide (CAS 400086-23-9)
- 2-((2,6-Dichlorobenzyl)thio)-6-((phenylthio)methyl)pyrimidin-4(3H)-one (CAS 866143-68-2)
- 3-(((2,4-Dichlorobenzyl)thio)methyl)-2,3-dihydro-5H-thiazolo[2,3-b]quinazolin-5-one (CAS 477860-26-7)
- (E)-1-(3,4-dichlorobenzyl)-5,6-dimethyl-2-styryl-1H-benzo[d]imidazole (CAS 321433-05-0)
- 4-((3,4-Dichlorobenzyl)thio)-5-ethoxy-2-phenylpyridazin-3(2H)-one (CAS 5509-76-2)
Recommended Standards
- 3,5-Diiodosalicyloyl chloride (CAS 42016-91-1)
- {4-[(4-nitrophenyl)methoxy]phenyl}methyl 3-nitrobenzoate (CAS 331461-66-6)
- 3-{[(2,6-dichlorophenyl)methyl]sulfanyl}-N-(3-methylphenyl)thiophene-2-carboxamide (CAS 251097-44-6)
- 2-(Acetylamino)-2-deoxy-4-O-(β-D-galactopyranosyl)-β-D-glucopyranosyl Azide (CAS 187988-46-1)
- 2,2-Dihydroxy-1-(naphthalen-2-yl)ethanone (CAS 16208-21-2)
- 1-(3-Methylthiophen-2-yl)-N-(pyridin-4-ylmethyl)methanamine hydrochloride (CAS 1049689-64-6)
- 2-[4-(Benzyloxy)phenyl]thiophene (CAS 893738-93-7)
- (2,6-Dichlorophenyl)(Isopropyl)Sulfane (CAS 1616135-07-9)
- 8-Amino-5-fluorochroman-4-one (CAS 1092350-49-6)
- 4-Diazo-4'-methoxydiphenylamine Sulfate (CAS 49732-38-9)
- Ethanediamide, N1-(2-methyl-1-naphthalenyl)-N2-(phenylmethyl)- (CAS 2072108-68-8)
- 1-tert-butyl 4-ethyl 4-acetylpiperidine-1,4-dicarboxylate (CAS 1189118-15-7)
- ethyl 2-amino-5-methyl-1H-pyrrole-3-carboxylate (CAS 108290-85-3)
- Semaglutide impurity 256 (CAS CATO-C4X-2226256)
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