5-Amino-2-methylbenzofuran-3-carboxylic acid CAS 1934730-76-3
| CAS No. | 1934730-76-3 |
| Molecular Formula | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Amino-2-methylbenzofuran-3-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-Amino-2-methylbenzofuran-3-carboxylic acid (CAS 1934730-76-3) is a high-purity analytical reference standard with the molecular formula C10H9NO3 and a molecular weight of 191.18 g/mol.
5-Amino-2-methylbenzofuran-3-carboxylic acid (C10H9NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 5-Amino-2-methylbenzofuran-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 | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
Related Amino Standards
- 5-Amino-3-methylbenzofuran-2-carboxylic acid (CAS 1146292-11-6)
- 3-Amino-5-methoxy-2H-chromen-2-one (CAS 1245614-75-8)
- (R)-2-Amino-2-(benzofuran-2-yl)acetic acid (CAS 1260619-31-5)
- (S)-2-Amino-2-(benzofuran-2-yl)acetic acid (CAS 1260619-54-2)
- 3-Amino-5-methylbenzofuran-2-carboxylic acid (CAS 1557016-68-8)
- 2-(1-Amino-6,6-difluorobicyclo[3.1.0]hexan-3-yl)acetic acid (CAS 494210-64-9)
- 3-amino-4-fluorobenzenesulfonic acid (CAS 349-64-4)
- 3-Amino-4-hydroxy-5-phenylfuran-2(5H)-one (CAS 343945-84-6)
Recommended Standards
- 2-Ethoxy-1H-isoindole-1,3(2H)-dione (CAS 1914-21-2)
- 2-(But-2-ynyloxy)isonicotinic acid (CAS 1935287-77-6)
- Ethyl furo[3,2-c]pyridine-4-carboxylate (CAS 190957-88-1)
- 2-(But-2-ynyloxy)nicotinic acid (CAS 1935602-44-0)
- Methyl 2-amino-5-bromobenzoate (CAS 52727-57-8)
- 4-(4-Nitro-phenoxy)-piperidine hydrochloride (CAS 148505-45-7)
- N-(2-Hydroxy-1,1-dimethylethyl)-2-(methylamino)-acetamide hydrochloride (CAS 1219957-60-4)
- Methyl 3-fluoro-5-(trifluoromethyl)benzoate (CAS 773873-69-1)
- 2-(4-Chloro-2-methylphenoxy)-N-(prop-2-yn-1-yl)acetamide (CAS 923236-94-6)
- 6-Bromo-2-((4-fluorobenzyl)oxy)-3-methoxybenzaldehyde (CAS 1427022-34-1)
- 6-((Cyclopropylmethyl)amino)nicotinic acid (CAS 1019372-31-6)
- 3,4-Dimethoxybenzaldehyde-d3 (CAS 143318-06-3)
- tert-Butyl (2S,4R)-2-((benzyloxy)methyl)-4-fluoro-2-formylpyrrolidine-1-carboxylate (CAS 2757097-06-4)
- Semaglutide impurity 206 (CAS CATO-C4X-2226206)
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