4-Ethynyl-3-methoxythiophene-2-carbaldehyde CAS 2314461-34-0
| CAS No. | 2314461-34-0 |
| Molecular Formula | C8H6O2S |
| Molecular Weight | 166.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H6O2S, 4-Ethynyl-3-methoxythiophene-2-carbaldehyde contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 166.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
4-Ethynyl-3-methoxythiophene-2-carbaldehyde (CAS 2314461-34-0) is a high-purity analytical reference standard with the molecular formula C8H6O2S and a molecular weight of 166.20 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-Ethynyl-3-methoxythiophene-2-carbaldehyde 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 | C8H6O2S |
| Molecular Weight | 166.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Sulfur Atoms | 1 |
Related Ethynyl Standards
- 5-Ethynyl-4-methylthiophene-2-carboxylic acid (CAS 1849183-09-0)
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- 4-ethyl-4-methyl-1,3,2-dioxathiolane 2,2-dioxide (CAS 2743438-25-5)
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- 4,6-Diamino-2-sulfanylpyridine-3-carbonitrile (CAS 244248-70-2)
- 4H-thieno[3,2-b]pyrrole-5-carboxamide (CAS 881888-43-3)
- (R)-2-(4-Phenyl-4,5-dihydrooxazol-2-yl)pyridin-4-ol (CAS 174770-67-3)
- 1-((4-Chlorophenyl)sulfonyl)-3,3-dimethylbutan-2-one (CAS 207974-06-9)
- 5-iodopyridine-2-carboxamide (CAS 41960-46-7)
- Lidocaine-d10 (CAS 851528-09-1)
- 5-Methoxy-N,N,2-trimethylaniline (CAS 56140-35-3)
- (1-Ethyl-1h-indol-3-yl)methanamine (CAS 938305-89-6)
- 2-(Piperidin-3-yl)-2-azaspiro[4.4]nonane-1,3-dione, oxalic acid (CAS 1221725-11-6)
- 2-(4-Butylphenyl)-6-methylquinoline-4-carboxylic acid (CAS 932841-17-3)
- 2-(Chloromethyl)-5-[(3-methoxybenzyl)oxy]-4H-pyran-4-one (CAS 1248907-44-9)
- Insulin Degludec Impurity 17 (CAS CATO-C4X-215717)
Why CATO?
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