2,3-Bis(thiophen-2-yl)prop-2-enoic acid CAS 21497-30-3
| CAS No. | 21497-30-3 |
| Molecular Formula | C11H8O2S2 |
| Molecular Weight | 236.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2,3-Bis(thiophen-2-yl)prop-2-enoic acid (CAS 21497-30-3), molecular formula C11H8O2S2 and molecular weight 236.31 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,3-Bis(thiophen-2-yl)prop-2-enoic acid (C11H8O2S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 236.31 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 2,3-Bis(thiophen-2-yl)prop-2-enoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H8O2S2 |
| Molecular Weight | 236.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Sulfur Atoms | 2 |
Related Bis Standards
- 1,3-Di(thiophen-2-yl)propane-1,3-dione (CAS 1138-14-3)
- [4-(Thiophen-2-yl)pyrimidin-2-yl]thiourea (CAS 439096-95-4)
- 1-[2-(Thiophen-2-yl)cyclopropanecarbonyl]piperazine (CAS 1204298-14-5)
- 2-(Thiophen-2-ylmethyl)bicyclo[2.2.1]Heptane-2-carboxylic acid (CAS 1341128-94-6)
- 1-(1-Methyl-3-(thiophen-2-yl)-1h-1,2,4-triazol-5-yl)butan-1-amine (CAS 1344006-28-5)
- 2-Methyl-4-(thiophen-2-yl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine (CAS 1017219-42-9)
- 2-(6-Oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)acetic acid (CAS 1017326-15-6)
- 6-Oxo-1-(thiophen-2-ylmethyl)-1,6-dihydropyridazine-3-carboxylic acid (CAS 1105192-31-1)
Recommended Standards
- 2-(hydroxymethyl)-2,5,7,8-tetramethylchroman-6-ol (CAS 79907-49-6)
- 2,5-Dimethyl-1-(2-morpholinoethyl)-1H-pyrrole-3-carbaldehyde (CAS 887694-84-0)
- 2-(Hexyloxy)-3-methoxybenzaldehyde (CAS 97852-83-0)
- 2,7-diamino-2-phenylheptanoic acid (CAS 878788-17-1)
- N-(3,4,5-trimethoxybenzyl)cycloheptanamine hydrobromide (CAS 1609401-17-3)
- 3-Isopropyl-2-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2223048-27-7)
- 898759-10-9 5-Cyclohexyl-1-(1,3-oxazol-2-yl)pentan-1-one DTXSID30642053 (CAS 898759-10-9)
- 5-[(3,5-dimethyl-1h-pyrazol-1-yl)methyl]furan-2-carboxylic acid (CAS 312310-14-8)
- cis-4-(1,2,3,4-Tetrahydro-6-methoxy-2-phenyl-1-naphthalenyl)phenol (CAS 14089-22-6)
- N-(4-acetylphenyl)-2-(p-tolyloxy)acetamide (CAS 127221-10-7)
- 6,7-Dihydro-2H-pyrrolo[2,1-c][1,2,4]triazole-3(5H)-thione (CAS 539804-69-8)
- Miconazole EP Impurity B (CAS 24169-02-6)
- 3-Fluoro-1H-pyrrolo[2,3-b]pyridine-6-carboxylic acid (CAS 1352394-37-6)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
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