2-((2-Cyano-3-methylbutan-2-yl)amino)-2-oxoethyl 5,6-dihydro-4H-cyclopenta[b]thiophene-2-carboxylate CAS 878087-39-9
| CAS No. | 878087-39-9 |
| Molecular Formula | C16H20N2O3S |
| Molecular Weight | 320.41 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-((2-Cyano-3-methylbutan-2-yl)amino)-2-oxoethyl 5,6-dihydro-4H-cyclopenta[b]thiophene-2-carboxylate.
2-((2-Cyano-3-methylbutan-2-yl)amino)-2-oxoethyl 5,6-dihydro-4H-cyclopenta[b]thiophene-2-carboxylate (CAS 878087-39-9), molecular formula C16H20N2O3S and molecular weight 320.41 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 2-((2-Cyano-3-methylbutan-2-yl)amino)-2-oxoethyl 5,6-dihydro-4H-cyclopenta[b]thiophene-2-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 320.41 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-((2-Cyano-3-methylbutan-2-yl)amino)-2-oxoethyl 5,6-dihydro-4H-cyclopenta[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 | C16H20N2O3S |
| Molecular Weight | 320.41 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Cyano Standards
- Ethyl 4-cyano-5-(cyclohexanecarboxamido)-3-methylthiophene-2-carboxylate (CAS 449177-14-4)
- N-(3-Cyano-4,5-dimethylthiophen-2-yl)-2-((4-fluorophenyl)thio)acetamide (CAS 896305-98-9)
- Ethyl 4-cyano-3-methyl-5-(thiophene-2-carboxamido)thiophene-2-carboxylate (CAS 449177-12-2)
- N-(3-Cyano-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2-{[2-(dimethylamino)ethyl]amino}acetamide (CAS 1009496-77-8)
- N-(2-Cyano-3-methylbutan-2-yl)-2-((5-(furan-2-yl)-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 764705-54-6)
- N-(4-(4-Cyano-5-oxo-2,5-dihydrofuran-3-yl)phenyl)butane-1-sulfonamide (CAS 173436-24-3)
- 2-Cyano-N-(2,5-dichlorophenyl)-3-(pyridin-3-yl)propanamide (CAS 505065-31-6)
- 2-Cyano-N-(3,4-dichlorophenyl)-3-(pyridin-3-yl)propanamide (CAS 505065-30-5)
Recommended Standards
- 1-Benzoyl-3-(2-methylnaphthalen-1-yl)thiourea (CAS 866038-84-8)
- 2-(2,6-Dimethyl-3,5-dioxothiomorpholino)-N-(2,3-dimethylphenyl)acetamide (CAS 868215-31-0)
- 1-{[2-(4-methylphenoxy)-1,3-thiazol-5-yl]methyl}-1H-indole (CAS 860650-04-0)
- 2-(Benzylthio)-6-(diethoxymethyl)pyrimidin-4-ol (CAS 525559-02-8)
- 2-(((Allyloxy)carbonyl)amino)-2-methylpropanoic acid (CAS 120821-24-1)
- [1,2,4]Triazolo[4,3-a]pyridine-7-carboxylic acid, 97% (CAS 1234616-66-0)
- (7-Bromo-3-fluoroimidazo[1,2-a]pyridin-2-yl)methanol (CAS 2306269-81-6)
- 4-Nitrophenyl 2,2,2-trifluoroacetate (CAS 658-78-6)
- 1-(2-Amino-1H-benzo[d]imidazol-1-yl)-2-chloroethanone (CAS 344413-06-5)
- 2-Oxo-2-((4-phenylbutan-2-yl)amino)ethyl 2-(methylthio)nicotinate (CAS 473972-56-4)
- N-(3-Morpholinopropyl)-3-(trifluoromethyl)benzamide (CAS 717858-96-3)
- FIIN 2 (CAS 1633044-56-0)
- 2-Amino-1-(4-methoxyphenyl)-5-oxo-4,5-dihydro-1h-pyrrole-3-carbonitrile (CAS 124476-79-5)
- Semaglutide Impurity 158 (x TFA Salt) (CAS CATO-C4X-2226158)
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