2-Ethylthiophene-3-carbonitrile CAS 500024-70-4
| CAS No. | 500024-70-4 |
| Molecular Formula | C7H7NS |
| Molecular Weight | 137.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Ethylthiophene-3-carbonitrile is closely related to a nitrile group, sulfur-containing functionality, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-Ethylthiophene-3-carbonitrile (CAS 500024-70-4), molecular formula C7H7NS and molecular weight 137.20 g/mol, is a CATO reference standard with documented purity and traceability.
2-Ethylthiophene-3-carbonitrile (C7H7NS) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C7H7NS |
| Molecular Weight | 137.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethylthiophene Standards
- 4-Ethylthiophene-3-carbonitrile (CAS 1469176-03-1)
- 5-Ethylthiophene-2-carbonitrile (CAS 22552-53-0)
- 2-Ethylthiophene-3-carbaldehyde (CAS 156386-50-4)
- 4-Ethylthiophene-3-carbaldehyde (CAS 197724-05-3)
- 3-Ethylthiophene-2-carbaldehyde (CAS 21426-07-3)
- 5-Ethylthiophene-2-carbaldehyde (CAS 36880-33-8)
- 5-ethylthiophene-3-carbaldehyde (CAS 34669-00-6)
- 5-Ethylthiophene-2-thiol (CAS 53381-57-0)
Recommended Standards
- 2,5-Dimethylthiophene-3-carbonitrile (CAS 31883-38-2)
- 2-Ethynyl-4,5-dimethylthiazole (CAS 2279122-45-9)
- 2,3-Dihydrobenzothiazole (CAS 4433-52-7)
- 2-Methanesulfonylpropan-1-amine (CAS 786598-78-5)
- Methyl 2-chloro-4,6-difluorobenzoate (CAS 1261869-14-0)
- 4-(Dimethylcarbamoyl)cyclohexane-1-carboxylic acid (CAS 873458-57-2)
- 5-Chloro-2-(2-(p-tolylthio)pyridin-3-yl)benzo[d]oxazole (CAS 400084-19-7)
- 2-(2-{2-[(1H-1,2,4-triazol-1-yl)methyl]-1,3-thiazol-4-yl}ethyl)-2,3-dihydro-1H-isoindole-1,3-dione (CAS 860785-68-8)
- N-(5-bromo-2-methoxybenzyl)-1-(4-methoxyphenyl)methanamine hydrobromide (CAS 1609404-35-4)
- 1-(Oxazol-5-yl)ethanamine (CAS 751470-40-3)
- N-((2R,3R,4S,5R)-3,4,5,6-tetrahydroxy-1-oxohexan-2-yl)butyramide (CAS 5441-12-3)
- 2-Chloro-5-(difluoromethyl)-3-hydroxyisonicotinonitrile (CAS 1806915-08-1)
- Ac-Glu-Glu-Val-Val-Ala-Cys-pNA (CAS 389868-12-6)
- Antiarrhythmic peptide (cattle atrium) (CAS 81771-37-1)
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