1-(Thiophen-3-yl)butane-1,2-dione CAS 1421479-06-2
| CAS No. | 1421479-06-2 |
| Molecular Formula | C8H8O2S |
| Molecular Weight | 168.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-(Thiophen-3-yl)butane-1,2-dione (C8H8O2S) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 168.21 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-(Thiophen-3-yl)butane-1,2-dione (CAS 1421479-06-2), molecular formula C8H8O2S and molecular weight 168.21 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.
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 | C8H8O2S |
| Molecular Weight | 168.21 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 Thiophen Standards
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- 3-(Thiophen-3-yl)but-2-enoic acid (CAS 1251526-81-4)
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- 3-(Thiophen-2-yl)but-2-enoic acid (CAS 148378-70-5)
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- 2-(Thiophen-2-yl)cyclopropane-1-carboxylic acid (CAS 90111-23-2)
Recommended Standards
- 2-(5-Fluoropyridin-2-yl)-2-methylpropan-1-amine (CAS 1402392-58-8)
- 2,3-dihydro-1$l^{6}-benzothiophene-1,1-dione (CAS 14315-13-0)
- 3-(4-Fluoro-6-methylpyridin-3-yl)propan-1-amine (CAS 1393566-62-5)
- 2-(3-Fluoropyridin-2-yl)-2-methylpropan-1-amine (CAS 1439896-50-0)
- tert-butyl N-[2-(2-chloroethoxy)ethyl]carbamate (CAS 1517445-69-0)
- 2-Ethoxy-6-methylpyrimidin-4-ol (CAS 55996-04-8)
- 2-(3,4-Dimethoxybenzoyl)-6-(furan-2-yl)-4-(trifluoromethyl)thieno[2,3-b]pyridin-3-amine (CAS 625377-62-0)
- 1-(4-Chlorobenzyl)-N-(4-ethoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 400077-76-1)
- Avibactam impurity 109 (CAS CATO-C4X-1348109)
- rac-(2R,3R)-3-(chloromethyl)-2-(trifluoromethyl)-3,4-dihydro-2H-1-benzopyran (CAS 2059912-20-6)
- 4-((3-Bromobenzylidene)amino)-3-(2-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478253-79-1)
- (R)-Amino-(tetrahydro-pyran-4-yl)-acetic acid methyl ester hydrochloride (CAS 871261-12-0)
- 1-(4-Amino-3-fluorophenyl)pyrrolidin-2-one (CAS 927870-59-5)
- Semaglutide Impurity 148 (CAS CATO-C4X-2226148)
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