3,6-Dichloro-N-(4-methyl-3-nitrophenyl)benzo[b]thiophene-2-carboxamide CAS 332157-37-6
| CAS No. | 332157-37-6 |
| Molecular Formula | C16H10Cl2N2O3S |
| Molecular Weight | 381.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,6-Dichloro-N-(4-methyl-3-nitrophenyl)benzo[b]thiophene-2-carboxamide (CAS 332157-37-6) is a high-purity analytical reference standard with the molecular formula C16H10Cl2N2O3S and a molecular weight of 381.23 g/mol.
Structurally, 3,6-Dichloro-N-(4-methyl-3-nitrophenyl)benzo[b]thiophene-2-carboxamide (C16H10Cl2N2O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 381.23 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H10Cl2N2O3S |
| Molecular Weight | 381.23 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
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Recommended Standards
- 3-(((2-Formylphenyl)amino)methyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid (CAS 2761599-07-7)
- N-(3,5-bis(trifluoromethyl)phenyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxamide (CAS 861208-56-2)
- 2-Amino-6-(4-bromophenyl)-4-phenyl-5H-pyrrolo[3,4-d]pyrimidin-7(6H)-one (CAS 76628-82-5)
- tert-Butyl 4-((tert-butoxycarbonyl)amino)-2,6-dichloro-5-fluoronicotinate (CAS 2763157-86-2)
- 4-Hydroxy-3,5-dimethoxybenzonitrile (CAS 72684-95-8)
- 2-hydrazinyl-6-methoxy-3-methylquinoline (CAS 1017360-52-9)
- 4-Cyclopropoxy-5-iodopyridin-2-amine (CAS 1243321-91-6)
- Ethyl 4-bromo-2-cyano-5-formylbenzoate (CAS 1805591-99-4)
- 1,1-dioxothiolane-3-carbaldehyde (CAS 3710-76-7)
- 1,1,2,2-Tetra-p-tolylethene (CAS 5831-43-6)
- (3S,5R)-1-benzyl-5-methyl-piperidin-3-ol (CAS 1909294-94-5)
- Methyl 2,5-dichloro-3-methoxybenzoate (CAS 165377-90-2)
- 2-Acetoxy-2,2,2,-trifluoroacetophenone (CAS 57230-51-0)
- Allo-D-Ile12-Tirzepatide (CAS CATO-CPTD788963)
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