Methyl 3-((4-(4-methoxyphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate CAS 899725-36-1
| CAS No. | 899725-36-1 |
| Molecular Formula | C21H22N2O5S2 |
| Molecular Weight | 446.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Methyl 3-((4-(4-methoxyphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate (CAS 899725-36-1) is a high-purity analytical reference standard with the molecular formula C21H22N2O5S2 and a molecular weight of 446.54 g/mol.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Methyl 3-((4-(4-methoxyphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 446.54 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).
As a certified reference material (CRM), Methyl 3-((4-(4-methoxyphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate 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 | C21H22N2O5S2 |
| Molecular Weight | 446.54 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Methyl Standards
- 7-(4-Methoxyphenyl)-2-[3-methyl-4-(3-methylphenyl)piperazin-1-yl]-3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 1226441-31-1)
- N-((2-(4-Methoxyphenyl)thiazol-4-yl)methyl)-2-(6-oxo-3-phenylpyridazin-1(6H)-yl)propanamide (CAS 1219902-83-6)
- 5,12-Bis(4-methoxyphenyl)-5,12-dihydroquinoxalino[2,3-b]quinoxaline (CAS 2361129-08-8)
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- 3-(2-(4-(2-Methoxyphenyl)piperazin-1-yl)ethyl)-1,5-dimethyl-1H-pyrimido[5,4-b]indole-2,4(3H,5H)-dione (CAS 133399-70-9)
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- N-(2-((4-(2-Methoxyphenyl)piperazin-1-yl)sulfonyl)ethyl)-2-phenoxypropanamide (CAS 897611-30-2)
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Recommended Standards
- Metamizole Impurity 5 (CAS 810-16-2)
- N-(3-(N,N-Dimethylsulfamoyl)phenyl)-2-((5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-yl)oxy)acetamide (CAS 869714-30-7)
- Isopentyl 4'-phenyl-[2,2'-biquinoline]-4-carboxylate (CAS 62726-08-3)
- N'-(4-Methoxy-7-methylbenzo[d]thiazol-2-yl)-4-(pyrrolidin-1-ylsulfonyl)benzohydrazide (CAS 851987-78-5)
- 2-Chloro-1,3-difluoro-4-(trifluoromethyl)benzene (CAS 120770-03-8)
- N-(1-Ethyl-2,2,4-trimethyl-1,2,3,4-tetrahydroquinolin-7-yl)propionamide (CAS 63134-09-8)
- 2-{[(3-Acetylphenyl)amino]-carbonyl}cyclohexanecarboxylic acid (CAS 331987-27-0)
- Perivine (CAS 2673-40-7)
- Methyl 2-[(2-hydroxyethyl)amino]benzoate (CAS 76315-61-2)
- 1-(6-Chloro-5-fluoro-4-methylpyridin-3-yl)ethanol (CAS 2756345-88-5)
- 1-(2,4-Bis(benzyloxy)-5-iodophenyl)ethanone (CAS 157953-16-7)
- 2-(2,4-Dichlorophenoxy)-2-methylpropanoic acid (CAS 1914-66-5)
- tert-Butyl N-(5-hydroxypyridin-3-yl)carbamate (CAS 906745-11-7)
- D-Asp9-Tirzepatide (CAS CATO-CPTD788923)
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