2-Cyano-4-hydroxyphenylboronic Acid CAS 1186420-91-6
| CAS No. | 1186420-91-6 |
| Molecular Formula | C7H6BNO3 |
| Molecular Weight | 162.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 162.94 g/mol gives 2-Cyano-4-hydroxyphenylboronic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Cyano-4-hydroxyphenylboronic Acid (CAS 1186420-91-6), molecular formula C7H6BNO3 and molecular weight 162.94 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H6BNO3, 2-Cyano-4-hydroxyphenylboronic 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 162.94 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.
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), 2-Cyano-4-hydroxyphenylboronic 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 | C7H6BNO3 |
| Molecular Weight | 162.94 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, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
Related Cyano Standards
- 5-Cyano-2-hydroxyphenylboronic Acid (CAS 1256355-57-3)
- (2-Cyano-6-methylpyrimidin-4-yl)boronic acid (CAS 1310404-66-0)
- (3-Cyano-4-hydroxyphenyl)boronic acid (CAS 1637208-14-0)
- (3-Cyano-2-hydroxyphenyl)boronic acid (CAS 2172876-20-7)
- (4-Cyano-2-hydroxyphenyl)boronic acid (CAS 2815327-88-7)
- 4-Cyano-3-hydroxyphenylboronic acid (CAS 2364439-36-9)
- 5-Cyano-2-hydroxybenzoic acid (CAS 10435-57-1)
- 3-Cyano-5-hydroxybenzoic acid (CAS 1163141-57-8)
Recommended Standards
- (3-Chloropropyl)dimethyl(vinyl)silane (CAS 88820-71-7)
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- 2-(Chloromethyl)allyl-trimethylsilane (CAS 18388-03-9)
- Tofacitinib Impurity 82 (CAS 1229041-97-7)
- FChgroup fch762757 (CAS 1249696-46-5)
- 2-(2-Oxoazepan-4-yl)acetic acid (CAS 10139-43-2)
- 2-(difluoromethyl)-1-methyl-1H-1,3-benzodiazole-6-carbaldehyde (CAS 2089928-82-3)
- 1-(Oxan-3-yl)methanamine carbonic acid (CAS 118836-05-8)
- 2-Ethyl-N-(3-fluoropropyl)pyrazolo[1,5-a]pyridin-3-amine (CAS 605672-95-5)
- 3-(2-Chloro-6-fluorobenzyl)-4-hydroxy-1-(prop-2-yn-1-yl)pyridin-2(1H)-one (CAS 320424-25-7)
- 2-Bromo-4-methoxy-5-methylaniline (CAS 328400-86-8)
- 3-Amino-5-(trifluoromethyl)picolinaldehyde (CAS 1227490-20-1)
- 2-(Dimethyl(3-(undec-10-enamido)propyl)ammonio)acetate (CAS 133798-12-6)
- Des-Gly34-Tirzepatide (CAS CATO-CPTD788940)
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