3-Formyl-1-benzofuran-2-carboxylic acid CAS 136229-42-0
| CAS No. | 136229-42-0 |
| Molecular Formula | C10H6O4 |
| Molecular Weight | 190.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-Formyl-1-benzofuran-2-carboxylic acid (CAS 136229-42-0), molecular formula C10H6O4 and molecular weight 190.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H6O4, 3-Formyl-1-benzofuran-2-carboxylic acid contains 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 190.15 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 manufactures 3-Formyl-1-benzofuran-2-carboxylic 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 | C10H6O4 |
| Molecular Weight | 190.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
Related Formyl Standards
- 5-formyl-1-benzofuran-2-carboxylic acid (CAS 10035-38-8)
- 7-Formyl-1-benzofuran-2-carboxylic acid (CAS 1782910-29-5)
- 2-Formyl-1-benzofuran-3-carboxylic acid (CAS 38281-55-9)
- 5-Formyl-1H-indazole-3-carboxylic acid (CAS 1061255-42-2)
- 3-Formyl-6-azaindole-7-carboxylic acid (CAS 1190309-98-8)
- 3-formyl-1H-pyrrolo[3,2-b]pyridine-6-carboxylic acid (CAS 1190316-06-3)
- 3-Formyl-1H-pyrrolo[3,2-b]pyridine-5-carboxylic acid (CAS 1190316-75-6)
- 3-Formyl-1h-pyrrolo[2,3-c]pyridine-4-carboxylic acid (CAS 1190319-72-2)
Recommended Standards
- 5-(Difluoromethyl)-1-ethyl-1h-pyrazole-4-carboxylic acid (CAS 1343146-62-2)
- Ethyl 5-(difluoromethyl)-1H-imidazole-2-carboxylate (CAS 1383742-13-9)
- 1-(2,2-Difluoroethyl)-5-methyl-1H-pyrazole-4-carboxylic acid (CAS 1342991-73-4)
- 5-(Difluoromethyl)-1,3-dimethyl-1h-pyrazole-4-carboxylic acid (CAS 1384427-29-5)
- n1-Benzyl-n2-cyclopropylethane-1,2-diamine (CAS 736908-55-7)
- Glimepiride Impurity 9 (CAS 119043-16-2)
- (Z)-5-Amino-4-methyl-3-(4-(methylsulfonyl)benzylidene)-3,4-dihydro-2H-pyrrol-2-one methanesulfonate (CAS 1051931-39-5)
- 4-(Benzyloxy)-3-bromopyridine (CAS 1019767-63-5)
- 3-Amino-5-bromo-2-ethoxypyridine (CAS 886373-00-8)
- 2-(1H-1,2,3,4-Tetrazol-5-yl)acetonitrile (CAS 13616-36-9)
- tert-butyl 6-amino-1,4-thiazepane-4-carboxylate (CAS 1784394-67-7)
- PD 102807 (CAS 23062-91-1)
- 4-(3-fluorophenyl)butan-2-amine (CAS 1092924-64-5)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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