3-Oxo-4-(5-(pyrrolidin-1-ium-1-ylidene)thiophen-2(5H)-ylidene)-2-(5-(pyrrolidin-1-yl)thiophen-2-yl)cyclobut-1-enolate CAS 137020-21-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 137020-21-4 |
| Molecular Formula | C20H20N2O2S2 |
| Molecular Weight | 384.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Oxo-4-(5-(pyrrolidin-1-ium-1-ylidene)thiophen-2(5H)-ylidene)-2-(5-(pyrrolidin-1-yl)thiophen-2-yl)cyclobut-1-enolate (CAS 137020-21-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H20N2O2S2. Molecular weight: 384.52 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H20N2O2S2 |
| Molecular Weight | 384.52 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Oxo Standards
- 3-Methyl-2-(pyrrolidin-1-yl)-5-(1-tosylpyrrolidin-2-yl)pyridine (CAS 1352524-61-8)
- 9-(4-(3-(Pyrrolidin-1-yl)propoxy)phenyl)-1,2,3,4-tetrahydroacridine (CAS 873014-76-7)
- 4'-(Pyrrolidin-1-ylsulfonyl)-5-(trifluoromethoxy)-[1,1'-biphenyl]-3-ol (CAS 1261896-33-6)
- 3'-(Pyrrolidin-1-ylsulfonyl)-5-(trifluoromethoxy)-[1,1'-biphenyl]-3-ol (CAS 1261922-47-7)
- 2-((2-Oxo-2-(pyrrolidin-1-yl)ethyl)thio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one (CAS 686771-17-5)
- 2-(Pyrrolidin-1-yl)-N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethane-1-sulfonamide (CAS 756520-86-2)
- (S)-Pyrrolidin-2-ylbis(4-(trifluoromethyl)phenyl)methanol (CAS 131180-65-9)
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Recommended Standards
- 1-((Benzyloxy)methyl)-5-ethyl-6-(phenylthio)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 136160-24-2)
- 1-(3-Phenylpropyl)-3-((5-(thiophene-3-carbonyl)thiophen-2-yl)methyl)urea (CAS 1796970-61-0)
- Ac-Leu-Val-Lys-aldehyde (CAS 147600-40-6)
- 1-Difluoromethanesulfonyl-4-fluorobenzene (CAS 153698-38-5)
- tert-Butyl 4-(pyridin-3-ylmethyl)piperazine-1-carboxylate (CAS 150812-36-5)
- N-methyl-N-(thiophen-3-ylmethyl)piperidin-4-amine (CAS 933717-75-0)
- N1,N3-Di(pyridin-2-yl)benzene-1,3-diamine (CAS 445467-74-3)
- 3,4-Dichloro-5-isobutoxypyridazine (CAS 1346698-01-8)
- 3-Morpholino-1-phenylpropan-1-one (CAS 2298-48-8)
- Neuropeptide Y (22-36) (CAS 119019-65-7)
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