Methyl 2-Amino-4-methylthiophene-3-carboxylate CAS 4651-98-3
| CAS No. | 4651-98-3 |
| Molecular Formula | C7H9NO2S |
| Molecular Weight | 171.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Methyl 2-Amino-4-methylthiophene-3-carboxylate 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.
Methyl 2-Amino-4-methylthiophene-3-carboxylate (CAS 4651-98-3), molecular formula C7H9NO2S and molecular weight 171.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H9NO2S, Methyl 2-Amino-4-methylthiophene-3-carboxylate 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 171.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H9NO2S |
| Molecular Weight | 171.22 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.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
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Recommended Standards
- Methyl 2-amino-2-(thiophen-3-yl)acetate (CAS 791546-62-8)
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- Methyl 2-amino-2-(thiophen-2-yl)acetate (CAS 43189-24-8)
- Methyl 4-Amino-5-methylthiophene-2-carboxylate (CAS 501082-56-0)
- Bicyclo[2.2.1]heptan-2-yltrimethoxysilane (CAS 108196-09-4)
- 6-Bromo-3-ethyl-1H-indazole (CAS 199172-01-5)
- Methyl 3-bromo-2-oxocyclopentanecarboxylate (CAS 36596-61-9)
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- 2-[5-(2,4-Dichlorophenyl)-1H-pyrazol-1-yl]-4-(thiophen-2-yl)-1,3-thiazole (CAS 956369-94-1)
- Ethyl 2-amino-1-methyl-1H-benzo[d]imidazole-5-carboxylate (CAS 91332-09-1)
- 7-Ethoxy-3-(4-methoxyphenyl)-4-methyl-2H-chromen-2-one (CAS 263364-88-1)
- 1-(2,6,6-Trimethylcyclohex-3-en-1-yl)ethanone (CAS 25915-53-1)
- (3-Cyclopropyl-5-(4-methylpiperazin-1-yl)phenyl)boronic acid (CAS 2225181-08-6)
- Myosin Kinase Inhibiting Peptide (CAS 119386-39-9)
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