2-(3-Aminothiophen-2-yl)acetic acid CAS 740020-96-6
| CAS No. | 740020-96-6 |
| Molecular Formula | C6H7NO2S |
| Molecular Weight | 157.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-(3-Aminothiophen-2-yl)acetic acid (CAS 740020-96-6) is a high-purity analytical reference standard with the molecular formula C6H7NO2S and a molecular weight of 157.19 g/mol.
Based on its molecular formula C6H7NO2S, 2-(3-Aminothiophen-2-yl)acetic acid contains an amide group, 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 157.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 2-(3-Aminothiophen-2-yl)acetic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H7NO2S |
| Molecular Weight | 157.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Aminothiophen Standards
- 2-(4-Aminothiophen-3-yl)acetic acid (CAS 770658-21-4)
- 2-(3-Aminothiophen-2-yl)acetate (CAS 914636-78-5)
- 1-(2-Aminothiophen-3-yl)-2-methylpropan-1-one (CAS 832113-95-8)
- Methyl 2-(3-aminothiophen-2-yl)acetate (CAS 532395-18-9)
- (5-Aminothiophen-2-yl)boronic acid (CAS 1360465-65-1)
- (4-Aminothiophen-2-yl)boronic acid hydrochloride (CAS 1360465-67-3)
- (5-Aminothiophen-3-yl)boronic acid (CAS 889451-15-4)
- 1-(5-Aminothiophen-2-yl)ethanone (CAS 128327-59-3)
Recommended Standards
- 2-(2-Aminothiazol-5-yl)acetamide (CAS 312581-28-5)
- 2-(2-Amino-1,3-thiazol-4-yl)acetamide (CAS 220041-33-8)
- 2-(4-Methyl-5-thiazolyl)acetic Acid (CAS 5255-33-4)
- 2-(1,3-Dioxolan-2-yl)thiazole (CAS 24295-04-3)
- 6-Benzyloxy-5-(trifluoromethyl)pyridine-3-boronic acid (CAS 2377610-34-7)
- 2-(Cyclopentyloxy)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1073371-90-0)
- 3-Methyl-2-oxovaleric Acid-13C3 Sodium Salt (CAS 1391052-48-4)
- tert-Butyl 4-oxo-1,5,6,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine-7(4H)-carboxylate (CAS 874801-60-2)
- Tri-o-tolyl Borate (CAS 2665-12-5)
- Methyl 2-(4-chlorophenyl)-5-methyloxazole-4-carboxylate (CAS 32418-05-6)
- (R)-3-(1-(tert-butoxycarbonyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)-2-((tert-butoxycarbonyl)amino)propanoic acid (CAS 2387566-74-5)
- 4-(tert-Butyl)benzenecarbaldehyde oxime (CAS 180261-48-7)
- Methyl 2-(2-((3,5-dimethylphenoxy)methyl)morpholino)acetate (CAS 1706435-31-5)
- Antiarrhythmic peptide (cattle atrium) (CAS 81771-37-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com