5-(2,3-Dihydro-1-benzofuran-5-yl)-1H-pyrazole-3-carboxylic acid CAS 1491131-49-7
| CAS No. | 1491131-49-7 |
| Molecular Formula | C12H10N2O3 |
| Molecular Weight | 230.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 5-(2,3-Dihydro-1-benzofuran-5-yl)-1H-pyrazole-3-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 230.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
CATO supplies 5-(2,3-Dihydro-1-benzofuran-5-yl)-1H-pyrazole-3-carboxylic acid (CAS 1491131-49-7), a certified reference material (molecular formula C12H10N2O3, MW 230.22 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(2,3-Dihydro-1-benzofuran-5-yl)-1H-pyrazole-3-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 | C12H10N2O3 |
| Molecular Weight | 230.22 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 2 |
Related Dihydro Standards
- 3-(2,3-dihydro-1,4-benzodioxin-6-yl)-1H-pyrazole-4-carbaldehyde (CAS 1006482-46-7)
- 2-(2-Oxo-1,2-dihydro-[3,4'-bipyridin]-5-yl)acetic acid (CAS 1227576-75-1)
- 1-(6,7-Dihydro-5H-cyclopenta[d]pyrimidin-4-yl)-1H-imidazole-4-carboxylic acid (CAS 1405613-58-2)
- 1-(6,7-Dihydro-5H-cyclopenta[d]pyrimidin-4-yl)-1H-pyrazole-3-carboxylic acid (CAS 1493311-71-9)
- 6-(2,3-Dihydro-1,4-benzodioxin-6-yl)pyridazin-3-ol (CAS 54558-06-4)
- 7-Oxo-2,3-dihydro-1H,7H-pyrido[1,2,3-de]quinoxaline-6-carboxylic acid (CAS 83939-14-4)
- 3-(2,3-Dihydro-1h-inden-5-yl)-1,1,1-trifluoropropan-2-ol (CAS 1339573-12-4)
- 2,3-Dihydro-1,4-benzodioxine-6-sulfonohydrazide (CAS 1094453-02-7)
Recommended Standards
- 4-Methoxy-[2,2'-bipyridine]-6-carboxylic acid (CAS 14761-60-5)
- 4-Phenyl-3,4-dihydrofuro[3,4-d]pyrimidine-2,5(1H,7H)-dione (CAS 14743-95-4)
- 5,8-Dihydroxy-3-methylnaphtho[2,3-c]furan-4(9H)-one (CAS 150045-18-4)
- (2,4-Dihydroxyphenyl)(4-hydroxyphenyl)methanone (CAS 1470-79-7)
- N-Methyl-N-(piperidin-3-yl)thiophene-2-sulfonamide hydrochloride (CAS 1261231-57-5)
- 2-({2-chloro-5-[(dimethylamino)sulfonyl]benzoyl}amino)-3-methylbutanoic acid (CAS 1396980-30-5)
- 4-((6-(4-Fluorophenyl)pyrimidin-4-yl)amino)benzoic acid (CAS 1119453-11-0)
- 3-(Allyloxy)-5-(hydroxymethyl)phenol (CAS 474960-23-1)
- 4-Methylbenzothiophene (CAS 14315-11-8)
- Methyl 2-[(4-benzylpiperidin-1-yl)methyl]-3-{[(2-ethoxyphenyl)carbamoyl]amino}benzoate (CAS 865660-37-3)
- Cefdinir CP Impurity S (CAS 127770-93-8)
- 3-Methyl-1-phenyl-5-pyrazolone (CAS 89-25-8)
- 3,4-Difluoro-N-[(1S)-1-[6-[4-(2-pyridinyl)-1-piperazinyl]-2-pyrazinyl]ethyl]benzenepropanamide (CAS 2244989-34-0)
- Semaglutide impurity 29 (CAS 110990-08-4)
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