2-(5-Methylthiophen-2-yl)-2-oxoacetaldehyde CAS 1430823-64-5
| CAS No. | 1430823-64-5 |
| Molecular Formula | C7H6O2S |
| Molecular Weight | 154.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H6O2S, 2-(5-Methylthiophen-2-yl)-2-oxoacetaldehyde 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 154.19 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).
2-(5-Methylthiophen-2-yl)-2-oxoacetaldehyde (CAS 1430823-64-5), molecular formula C7H6O2S and molecular weight 154.19 g/mol, is a CATO reference standard with documented purity and traceability.
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-(5-Methylthiophen-2-yl)-2-oxoacetaldehyde 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 | C7H6O2S |
| Molecular Weight | 154.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Sulfur Atoms | 1 |
Related Methylthiophen Standards
- 1-(2-Methylthiophen-3-yl)propan-1-one (CAS 100207-46-3)
- 1-(4-Methylthiophen-2-yl)propan-1-one (CAS 106265-82-1)
- 1-(3-Methylthiophen-2-yl)cyclopropan-1-ol (CAS 1249512-52-4)
- 1-(4-Methylthiophen-2-yl)propan-2-one (CAS 629646-29-3)
- 3-(3-Methylthiophen-2-yl)prop-2-en-1-ol (CAS 87407-21-4)
- 3-(5-Methylthiophen-2-yl)prop-2-en-1-ol (CAS 90953-56-3)
- 3-(5-Methylthiophen-2-yl)prop-2-en-1-amine (CAS 1344886-45-8)
- 2-(3-Methylthiophen-2-yl)azetidine (CAS 777887-41-9)
Recommended Standards
- 5,6-Dihydro-4H-pyrrolo[3,4-d]thiazole-2-carbaldehyde (CAS 1416714-33-4)
- Thiosalicylic acid (CAS 147-93-3)
- 6,7-Dihydro-5H-thiazolo[3,2-a]pyrimidin-5-one (CAS 139218-70-5)
- Sulfamide, N-(3-hydroxypropyl)- (CAS 1566860-09-0)
- 3-{[(5-Methyl-2-thienyl)carbonyl]amino}-benzoic acid (CAS 905381-13-7)
- Dimethyl 2,3-dihydro-1H-pyrrolizine-1,7-dicarboxylate (CAS 66635-68-5)
- N-Methyl-1-(piperidin-2-yl)methanamine (CAS 27643-19-2)
- rac N-Nitroso Thiazolidine-4-carboxylic Acid (CAS 88381-44-6)
- 2-((1-(3,4-Dichlorophenyl)ethyl)amino)ethan-1-ol (CAS 1038368-39-6)
- 5-[1-(hydroxyimino)ethyl]-4-methyl-1,3-thiazol-2-amine (CAS 473702-34-0)
- 2-(((2,2-Dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl)amino)benzonitrile (CAS 1020252-22-5)
- 2,2,2-Trifluoroethyl ((2-(dimethylamino)pyridin-3-yl)methyl)carbamate (CAS 1211818-45-9)
- 6-amino-2-fluoro-3-methylbenzenethiol (CAS 131105-94-7)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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