2-(Benzo[d]oxazol-2-ylthio)-1-(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)ethan-1-one CAS 1705224-18-5
| CAS No. | 1705224-18-5 |
| Molecular Formula | C18H18N2O2S3 |
| Molecular Weight | 390.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(Benzo[d]oxazol-2-ylthio)-1-(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)ethan-1-one.
2-(Benzo[d]oxazol-2-ylthio)-1-(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)ethan-1-one (CAS 1705224-18-5), molecular formula C18H18N2O2S3 and molecular weight 390.54 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H18N2O2S3, 2-(Benzo[d]oxazol-2-ylthio)-1-(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)ethan-1-one contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 390.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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-(Benzo[d]oxazol-2-ylthio)-1-(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)ethan-1-one 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 | C18H18N2O2S3 |
| Molecular Weight | 390.54 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 3 |
Related Benzo Standards
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-5,6-dimethyl-2-(pyridin-3-yl)thieno[2,3-d]pyrimidin-4-amine (CAS 796052-04-5)
- 2-(Benzo[d]thiazol-2-ylthio)-N-(tetrahydro-2H-pyran-4-yl)-N-(2,2,2-trifluoroethyl)acetamide (CAS 1706044-92-9)
- 2-(1H-Benzo[d]imidazol-2-yl)-3-(5-(4-bromophenyl)furan-2-yl)acrylonitrile (CAS 302552-88-1)
- 3-(((1H-Benzo[d]imidazol-2-yl)thio)methyl)-5-(4-chlorophenyl)-1,3,4-thiadiazole-2(3H)-thione (CAS 84586-84-5)
- 4-(Benzo[d][1,3]dioxol-5-ylmethyl)-N-(4-chlorophenyl)piperazine-1-carbothioamide (CAS 327093-51-6)
- N-(benzo[d][1,3]dioxol-5-yl)-3-(2,6-dichlorophenyl)-5-methylisoxazole-4-carboxamide (CAS 354544-76-6)
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-5-(2-chloro-4-fluorobenzyl)-1,3,4-oxadiazole-2-carboxamide (CAS 950261-75-3)
- N-(4-(Benzo[d]thiazol-2-yl)-3-hydroxyphenyl)-3-nitrobenzamide (CAS 313483-88-4)
Recommended Standards
- 6,6'-Thiobis(4-(tert-butyl)-2-(hydroxymethyl)phenol) (CAS 133786-63-7)
- 1-(1-Methyl-3-phenyl-5-(p-tolylthio)-1H-pyrazol-4-yl)hept-2-yn-1-ol (CAS 318949-13-2)
- [2,6-Bis(1-methylethoxy)phenyl]dicyclohexylphosphine (CAS 1268824-69-6)
- 4-(3,5-Dimethylphenoxy)-2-((4-methylbenzyl)thio)-5,6,7,8-tetrahydroquinazoline (CAS 672951-70-1)
- 4-(4-chlorophenyl)-4-ethyl-2,6-dioxopiperidine-3,5-dicarbonitrile (CAS 405889-73-8)
- 4’-(Difluoromethoxy)acetophenone (CAS 83882-67-1)
- 3-Chloro-4-ethoxyaniline hydrochloride (CAS 1185108-72-8)
- (7-Methoxybenzo[d][1,3]dioxol-5-yl)methanamine (CAS 478977-40-1)
- 7-(morpholinosulfonyl)-1,2,3,3a-tetrahydropyrrolo[1,2-a]quinoxalin-4(5H)-one (CAS 1009716-73-7)
- MCAD302082-AL (CAS CATO-MCAD302082-AL)
- (3-Fluoro-4-(pentyloxy)phenyl)methanol (CAS 1095085-20-3)
- Dicyclohexylzinc solution (CAS 15658-08-9)
- 2,4-Imidazolidinedione, polymer with 6-phenyl-1,3,5-triazine-2,4-diamine (CAS 138574-87-5)
- D-Pro37-Tirzepatide (CAS CATO-CPTD788902)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com