3-Oxo-2-(thiophene-2-carbonyl)-butyric acid ethylester CAS 13892-51-8
| CAS No. | 13892-51-8 |
| Molecular Formula | C11H12O4S |
| Molecular Weight | 240.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-Oxo-2-(thiophene-2-carbonyl)-butyric acid ethylester (C11H12O4S) 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 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 240.28 g/mol, it falls into the medium-molecular-weight range. 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).
3-Oxo-2-(thiophene-2-carbonyl)-butyric acid ethylester (CAS 13892-51-8) is a high-purity analytical reference standard with the molecular formula C11H12O4S and a molecular weight of 240.28 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.
As a certified reference material (CRM), 3-Oxo-2-(thiophene-2-carbonyl)-butyric acid ethylester 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 | C11H12O4S |
| Molecular Weight | 240.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Sulfur Atoms | 1 |
Related Oxo Standards
- 1-(Thiophene-2-carbonyl)piperidine-2-carboxylic acid (CAS 1032056-92-0)
- 1-(Thiophene-2-carbonyl)-piperidine-4-carboxylic acid (CAS 147636-34-8)
- (R)-1-(thiophene-3-carbonyl)piperidine-2-carboxylic acid (CAS 1568200-90-7)
- 1-(Thiophene-3-carbonyl)piperidine-4-carboxylic acid (CAS 926245-69-4)
- (Thiophene-2-carbonyl)glycylglycine (CAS 314027-50-4)
- 4-Oxo-4-(2-(thiophene-2-carbonyl)hydrazinyl)butanoic acid (CAS 314765-11-2)
- Thiophene-2-carboxylic anhydride (CAS 25569-97-5)
- 3-(thiophene-2-carbonyl)-3-azabicyclo[3.1.0]hexane-2-carboxylic acid (CAS 1008645-20-2)
Recommended Standards
- 2-(((5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl)methyl)thio)propan-1-ol (CAS 1384722-02-4)
- Ethyl 2-((2-methoxyphenyl)thio)-2-oxoacetate (CAS 1443313-30-1)
- Methyl 2-(3-amino-2-oxopyrrolidin-1-yl)thiophene-3-carboxylate (CAS 1375471-53-6)
- Ethyl 2-((4-methoxyphenyl)thio)-2-oxoacetate (CAS 1443343-74-5)
- Ethyl 2,4,4-trimethylpentanoate (CAS 60302-30-9)
- 2-(Chloromethyl)-7-ethoxybenzo[d]oxazole (CAS 1803740-71-7)
- (4-Fluoro-3-methylfuran-2-yl)(phenyl)methanol (CAS 1339906-79-4)
- Amino-PEG2-(CH2)3COOH (CAS 1263046-77-0)
- Isochromane-1-acetic Acid (CAS 22901-11-7)
- 3-aminopyridine 1-oxide Hydrochloride (CAS 65600-69-3)
- N-(5H-indeno[1,2-b]pyridin-5-yl)acetamide (CAS 87165-97-7)
- 4-Benzyloxazolidin-2-one (CAS 40217-17-2)
- 1-(2,2-Difluoroethyl)-4-ethynyl-1H-pyrazole (CAS 1855890-49-1)
- 302798-54-5 (Leu31,Pro34)-Neuropeptide Y (13-36) (human, rat) MFCD00672463 (CAS 302798-54-5)
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