(Z)-(3-((3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)imino)-2-oxoindolin-1-yl)methyl acetate CAS 356586-82-8
| CAS No. | 356586-82-8 |
| Molecular Formula | C20H17N3O3S |
| Molecular Weight | 379.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(Z)-(3-((3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)imino)-2-oxoindolin-1-yl)methyl acetate (CAS 356586-82-8), molecular formula C20H17N3O3S and molecular weight 379.43 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H17N3O3S, (Z)-(3-((3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)imino)-2-oxoindolin-1-yl)methyl acetate 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 379.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C20H17N3O3S |
| Molecular Weight | 379.43 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(thiophen-2-yl)acetic acid (CAS 211682-13-2)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(thiophen-3-yl)acetic acid (CAS 372143-96-9)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(thiophen-2-yl)acetic acid (CAS 208259-66-9)
- 2-((4-(2-Fluorophenyl)piperazin-1-yl)methyl)-2,3-dihydroimidazo[1,2-c]quinazolin-5(1H)-one (CAS 477859-05-5)
- Ethyl 12-bromododecanoate (CAS 72338-48-8)
- 2-Benzylamino-4-bromopyridine (CAS 1209457-90-8)
- N-(benzo[d][1,3]dioxol-5-yl)-2-((3,4,4-trifluorobut-3-en-1-yl)thio)nicotinamide (CAS 339106-80-8)
- 2-Methyl-2-phenylmorpholine Hydrochloride (CAS 109461-16-7)
- DABCYL-TNF-α-EDANS (-4 to +6) (human) (CAS 396716-14-6)
- tert-Butyl 4-(1H-indazol-4-yl)piperazine-1-carboxylate (CAS 744219-31-6)
- 2-(4-Fluorophenoxy)-6-[3-(trifluoromethyl)phenyl]pyridine-3-carbonitrile (CAS 252060-07-4)
- Pimelic Acid-d4 (CAS 19031-56-2)
- 6-(2-Chlorophenyl)-2-(naphthalen-2-yloxy)-4-(trifluoromethyl)pyridine-3-carbonitrile (CAS 478049-44-4)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
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