2-Hydroxypyrimidine-5-boronic Acid CAS 373384-19-1
| CAS No. | 373384-19-1 |
| Molecular Formula | C4H5BN2O3 |
| Molecular Weight | 139.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Hydroxypyrimidine-5-boronic Acid (C4H5BN2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
2-Hydroxypyrimidine-5-boronic Acid (CAS 373384-19-1), molecular formula C4H5BN2O3 and molecular weight 139.91 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), 2-Hydroxypyrimidine-5-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 | C4H5BN2O3 |
| Molecular Weight | 139.91 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.) | 2025 |
| Nitrogen Atoms | 2 |
Related Hydroxypyrimidine Standards
- 2-Hydroxypyrimidine-5-carboxylic acid, 97% (CAS 38324-83-3)
- 5-Hydroxypyrimidine-2-carboxylic acid (CAS 345642-87-7)
- 5-Hydroxypyrimidine-4-carboxylic acid (CAS 201991-89-1)
- 2-Hydroxypyrimidine-5-carboxamide (CAS 1233198-67-8)
- N-Hydroxypyrimidine-4-carboxamide (CAS 131346-22-0)
- N-Hydroxypyrimidine-5-carboxamide (CAS 1334232-44-8)
- 4-Hydroxypyrimidine-5-carboxamide (CAS 4786-53-2)
- 6-Hydroxypyrimidine-4-carboxamide (CAS 98024-63-6)
Recommended Standards
- (4-Hydroxypyrimidin-5-yl)boronic acid (CAS 2225176-51-0)
- 4-Fluorophenylboronic acid (CAS 1765-93-1)
- 14191-73-2 Cerium, isotope of mass 140 Cerium-140 140Ce (CAS 14191-73-2)
- Vonoprazan Impurity 215 (CAS 1993-03-9)
- 5-(Difluoromethyl)-3-methylpyridin-2-amine (CAS 1806785-30-7)
- (4-Bromo-2-fluoro-5-(trifluoromethyl)phenyl)boronic acid (CAS 1451393-15-9)
- 1-(1-Methylpiperidin-4-yl)pyrrolidine-2-carboxylic acid (CAS 1401102-58-6)
- (1S,2S)-rel-2-(Pyridin-2-yl)cyclopropane-1-carboxylic acid (CAS 731811-62-4)
- 1-(3,4-Dichlorophenyl)-3-[3-[(Trifluoromethyl)Thio]Phenyl]Urea (CAS 93856-96-3)
- Fluralaner Impurity N4 (CAS 864730-61-0)
- Isoxazolo[5,4-f]indolizine (CAS 105583-52-6)
- 2-(3-Cyano-4-fluorophenyl)acetic acid (CAS 519059-11-1)
- 3-Azaspiro[5.5]Undecan-9-ol hydrochloride (CAS 1820619-77-9)
- Ginseng Tetrapeptide (CAS 178553-95-2)
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