2-(5-Methylthiophen-2-yl)acetaldehyde CAS 1341817-84-2
| CAS No. | 1341817-84-2 |
| Molecular Formula | C7H8OS |
| Molecular Weight | 140.20 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-(5-Methylthiophen-2-yl)acetaldehyde (CAS 1341817-84-2) is a high-purity analytical reference standard with the molecular formula C7H8OS and a molecular weight of 140.20 g/mol.
Structurally, 2-(5-Methylthiophen-2-yl)acetaldehyde (C7H8OS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 140.20 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C7H8OS |
| Molecular Weight | 140.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Sulfur Atoms | 1 |
Related Methylthiophen Standards
- 1-(3-Methylthiophen-2-yl)ethan-1-one (CAS 13679-72-6)
- 1-(2-Methylthiophen-3-yl)ethan-1-one (CAS 43039-99-2)
- 1-(5-Methylthiophen-3-yl)ethan-1-one (CAS 69213-96-3)
- 2-(5-Methylthiophen-2-yl)oxirane (CAS 73099-66-8)
- 2-(4-Methylthiophen-2-yl)ethan-1-amine (CAS 1176416-35-5)
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- 1-(5-Methylthiophen-3-yl)ethan-1-amine (CAS 1270528-41-0)
Recommended Standards
- 2-(Sulfanylmethyl)phenol (CAS 119354-00-6)
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- [1,1'-Biphenyl]-4-yltrimethoxysilane (CAS 135251-76-2)
- 5-(Dimethylamino)-4-(propan-2-yl)-4h-1,2,4-triazole-3-thiol (CAS 926193-82-0)
- 1-(2-Fluoro-4-hydroxy-5-nitrophenyl)-ethanone (CAS 1613720-24-3)
- 2,6-Dimethyl-3-(phenylamino)pyrimidin-4(3H)-one (CAS 89544-94-5)
- 5,5-dimethyloxolane-3-sulfonamide (CAS 1935017-89-2)
- Neuroendocrine Regulatory Peptide-1 (rat) (CAS 954420-51-0)
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