(1-Oxo-1,3-dihydroisobenzofuran-5-yl)boronic acid CAS 1345700-91-5
| CAS No. | 1345700-91-5 |
| Molecular Formula | C8H7BO4 |
| Molecular Weight | 177.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (1-Oxo-1,3-dihydroisobenzofuran-5-yl)boronic 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.
(1-Oxo-1,3-dihydroisobenzofuran-5-yl)boronic acid (CAS 1345700-91-5), molecular formula C8H7BO4 and molecular weight 177.95 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H7BO4, (1-Oxo-1,3-dihydroisobenzofuran-5-yl)boronic 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 177.95 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).
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 | C8H7BO4 |
| Molecular Weight | 177.95 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
Related Oxo Standards
- (5-Methyl-1,3-dihydroisobenzofuran-4-yl)boronic acid (CAS 2411789-43-8)
- 1-Oxo-1,3-dihydroisobenzofuran-4-carboxylic acid (CAS 4792-27-2)
- 1-Butyl-1,3-dihydroisobenzofuran (CAS 180068-03-5)
- 2-(1-Oxo-1,3-dihydroisobenzofuran-5-yl)acetaldehyde (CAS 1255207-11-4)
- 1,3-Dihydroisobenzofuran-5-carbonyl chloride (CAS 153967-93-2)
- 2-(3-Oxo-1,3-dihydroisobenzofuran-1-yl)acetonitrile (CAS 18327-98-5)
- 1-Oxo-1,3-dihydroisobenzofuran-5,6-dicarbonitrile (CAS 65975-31-7)
- (6-Methyl-1,3-dihydroisobenzofuran-5-yl)methanol (CAS 941600-62-0)
Recommended Standards
- 1-Hydroxy-1,3-dihydrobenzo[c][1,2]oxaborole-7-carboxylic Acid (CAS 1268335-28-9)
- 2-Aminobenzoxazole-6-boronic Acid (CAS 1404480-17-6)
- (5-Cyano-2-methoxypyridin-3-yl)boronic acid (CAS 1231231-15-4)
- (5-Cyano-6-methoxypyridin-3-yl)boronic acid (CAS 1443112-09-1)
- ((1S,4s)-4-(trifluoromethoxy)cyclohexyl)methanamine (CAS 2231666-25-2)
- 2-[(4-methylphenyl)methyl]-1,3-thiazole-4-carboxylic acid (CAS 1216181-04-2)
- 1-(1,4,5,6,7,8-Hexahydrocyclohepta[c]pyrazol-3-yl)-N-methylmethanamine dihydrochloride (CAS 1269378-64-4)
- 6-hydroxyimidazo[1,2-a]pyridine-2-carboxylic acid (CAS 1781183-23-0)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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