5-Hydroxypyridine-3-boronic Acid CAS 1208308-11-5
| CAS No. | 1208308-11-5 |
| Molecular Formula | C5H6BNO3 |
| Molecular Weight | 138.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H6BNO3, 5-Hydroxypyridine-3-boronic Acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 138.92 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5-Hydroxypyridine-3-boronic Acid (CAS 1208308-11-5), molecular formula C5H6BNO3 and molecular weight 138.92 g/mol, is a CATO reference standard with documented purity and traceability.
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-Hydroxypyridine-3-boronic 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 | C5H6BNO3 |
| Molecular Weight | 138.92 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Hydroxypyridine Standards
- 4-Hydroxypyridine-2-carboxylic Acid (CAS 22468-26-4)
- 5-Hydroxypyridine-3-carboxamide (CAS 101512-21-4)
- 5-Acetyl-2-hydroxypyridine (CAS 1124-29-4)
- N’-HYDROXYPYRIDINE-3-CARBOXIMIDAMIDE (CAS 849833-59-6)
- 3-hydroxypyridine-4-carbaldehyde (CAS 1849-54-3)
- 4-Hydroxypyridine-2(1H)-thione (CAS 204569-36-8)
- 5-Hydroxypyridine-2,6(1H,3H)-dione (CAS 39954-18-2)
- 4-Hydroxypyridine-2,6-dicarbaldehyde (CAS 129800-01-7)
Recommended Standards
- B-(2-Amino-4-pyrimidinyl)boronic acid (CAS 1093961-43-3)
- 6-Aminopyrazin-2-yl-2-boronic Acid (CAS 1315351-77-9)
- (5-Aminopyrazin-2-yl)boronic acid (CAS 1084953-45-6)
- (4-Aminopyrimidin-5-yl)boronic acid (CAS 1356054-72-2)
- (S)-2-(6-hydroxy-2,3-dihydrobenzofuran-3-yl)acetonitrile (CAS 1668564-73-5)
- 2-Bromo-6-chloro-4-(chloromethyl)pyridine (CAS 1227584-85-1)
- 4-Methoxy-3-methylbenzene-1,2-diol (CAS 77357-51-8)
- (S,R,S)-AHPC-acetamido-O-PEG1-C1-acid (CAS 2172820-08-3)
- Ethyl 3-Cyclohexyl-1,2,4-oxadiazole-5-carboxylate (CAS 49586-75-6)
- 1-(2-Aminoethyl)-5-[(4-chlorophenyl)methyl]-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1105196-80-2)
- 1-(2-Cyclopropyl-5,6-dimethylpyrimidin-4-yl)piperidine-3-carboxylic acid (CAS 1707594-70-4)
- 5-Methyl-1-(p-tolyl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 103058-74-8)
- 3,5-Dichlorobenzenesulfonic acid (CAS 33469-47-5)
- Des-Gln19-Tirzepatide (CAS CATO-CPTD788954)
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