2-(carboxymethyl)thiophene-3-carboxylic acid CAS 332013-53-3
| CAS No. | 332013-53-3 |
| Molecular Formula | C7H6O4S |
| Molecular Weight | 186.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H6O4S, 2-(carboxymethyl)thiophene-3-carboxylic acid 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 186.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 2-(carboxymethyl)thiophene-3-carboxylic acid (CAS 332013-53-3), a certified reference material (molecular formula C7H6O4S, MW 186.19 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-(carboxymethyl)thiophene-3-carboxylic acid 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 | C7H6O4S |
| Molecular Weight | 186.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
Related carboxymethyl Standards
- 4-(carboxymethyl)thiophene-3-carboxylic acid (CAS 57279-54-6)
- 4-(Carboxymethyl)cyclohexanecarboxylic acid (CAS 105836-76-8)
- 1-(Carboxymethyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 43094-97-9)
- 2-(Carboxymethyl)-3-oxopyrrolidine-1-carboxylic acid (CAS 857205-87-9)
- 3-(Carboxymethyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 91189-27-4)
- 3-(Carboxymethyl)-1-methylpyrrolidine-3-carboxylic acid (CAS 1447966-02-0)
- 2-(carboxymethyl)-1-methyl-pyrrole-3-carboxylic acid (CAS 83863-74-5)
- (R)-2-(Carboxymethyl)-5-oxotetrahydrofuran-2-carboxylic acid (CAS 173934-26-4)
Recommended Standards
- 2-(Acetamido)thiazole-4-carboxylic Acid (CAS 50602-38-5)
- 2-(Methylsulfonyl)pyrimidine-4-carbaldehyde (CAS 874279-27-3)
- 2-(6-Oxo-2-thioxo-1,2,3,6-tetrahydropyrimidin-4-yl)acetic acid (CAS 35978-12-2)
- 2-(Methylthio)-5-nitropyrimidin-4-amine (CAS 84928-85-8)
- 1-Amino-5-chlorouracil (CAS 127984-94-5)
- Diethyl 3,3'-(benzylazanediyl)dipropionate (CAS 6938-07-4)
- 6-Bromo-8-iodoimidazo[1,2-a]pyridine-7-carbonitrile (CAS 2768870-88-6)
- Terbutaline impurity 110 (CAS CATO-C4X-1183110)
- 3-(Pyridin-3-yl)pyrazolo[1,5-a]pyrimidine-6-carbaldehyde (CAS 946384-92-5)
- (3-Methylheptan-4-yl)(propyl)amine (CAS 1485158-11-9)
- 2-([1,3'-Bipiperidin]-1'-yl)acetic acid (CAS 1570169-72-0)
- 7-Fluoro-[1,2,4]triazolo[1,5-a]pyridine (CAS 1427361-30-5)
- (R)-N-(1-(2-Aminoethyl)pyrrolidin-3-yl)acetamide (CAS 1354003-41-0)
- (Tyr?)-C-Peptide (human) (CAS 57327-90-9)
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