2-Chloro-n-[3-(2-methoxybenzoyl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]acetamide CAS 459825-43-5
| CAS No. | 459825-43-5 |
| Molecular Formula | C18H18ClNO3S |
| Molecular Weight | 363.86 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Chloro-n-[3-(2-methoxybenzoyl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]acetamide 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.
CATO supplies 2-Chloro-n-[3-(2-methoxybenzoyl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]acetamide (CAS 459825-43-5), a certified reference material (molecular formula C18H18ClNO3S, MW 363.86 g/mol) for analytical method development and quality control.
Structurally, 2-Chloro-n-[3-(2-methoxybenzoyl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]acetamide (C18H18ClNO3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 363.86 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C18H18ClNO3S |
| Molecular Weight | 363.86 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-N-[3-(4-methoxy-benzoyl)-4,5,6,7-tetrahydro-benzo[b]thiophen-2-yl]-acetamide (CAS 919023-03-3)
- 4-Chloro-n-(2-(diisopropylamino)ethyl)-3-nitrobenzenesulfonamide (CAS 744242-80-6)
- N-(5-Chloro-2-morpholinophenyl)-2-(methylthio)nicotinamide (CAS 794580-12-4)
- 4-Chloro-2,6-bis[(4S)-4,5-dihydro-4-[(1S)-1-methylpropyl]-2-oxazolyl]pyridine (CAS 1282036-86-5)
- 4-Chloro-2,6-bis[(4S)-4-(1,1-dimethylethyl)-4,5-dihydro-2-oxazolyl]pyridine (CAS 825613-46-5)
- 7-Chloro-9-(4-phenylpiperazin-1-yl)-2,3-dihydro-1H-cyclopenta[b]quinoline (CAS 40527-93-3)
- 7-Chloro-4-((S)-3-methylmorpholin-4-yl)-2-((S)-3-methylmorpholin-4-yl)pyrido[2,3-d]pyrimidine (CAS 1009303-44-9)
- N-(3-Chloro-4-fluorobenzyl)-4-ethyl-2-(1H-pyrrol-1-yl)thiazole-5-carboxamide (CAS 1243072-49-2)
Recommended Standards
- 2-(4-(Benzyloxy)-2-chlorobenzoyl)-N-ethylhydrazine-1-carbothioamide (CAS 478039-97-3)
- (2Z)-1-(4-Chlorophenyl)-3-(dimethylamino)-2-(4-methylbenzenesulfonyl)prop-2-en-1-one (CAS 338417-78-0)
- Ethyl 2-(((4-chlorophenyl)thio)methyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate (CAS 1923056-95-4)
- Methyl 2-[(chloroacetyl)amino]-6-phenyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate (CAS 905011-06-5)
- (4-Isopropyl-1-methylcyclohexyl)methanamine (CAS 1487047-78-8)
- (4-Chloro-5-fluoro-2-methoxyphenyl)boronic acid (CAS 1443379-11-0)
- 2,6-Dichloro-N-(N,N-dimethylcarbamimidoyl)isonicotinamide compound with N-(amino(dimethylamino)methylene)-2,6-dichloroisonicotinamide (1:1) (CAS 649699-62-7)
- (R)-6-(Benzyloxy)-1,2,3,4-tetrahydronaphthalen-1-amine (CAS 1213521-08-4)
- Benzyl 3-(3,4-dimethylphenyl)-2-oxo-1-oxa-3,8-diazaspiro[4.5]decane-8-carboxylate (CAS 1354448-63-7)
- 4-(4,5,6,7-Tetrahydro-1H-pyrazolo[4,3-c]pyridin-3-ylcarbonyl)-2-piperazinone hydrochloride (CAS 1220034-06-9)
- 5-Bromo-2-(1-methyl-1h-pyrazol-5-yl)pyridine (CAS 1785601-94-6)
- 2-(1,3-Dioxo-2-azaspiro[4.5]Decan-2-yl)acetic acid (CAS 807345-89-7)
- 6-(Bromomethyl)-2-methylbenzo[d]oxazole (CAS 136663-55-3)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
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