Pyrazolo[1,5-a]pyrazine-3-boronic acid CAS 2304634-86-2
| CAS No. | 2304634-86-2 |
| Molecular Formula | C6H6BN3O2 |
| Molecular Weight | 162.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Pyrazolo[1,5-a]pyrazine-3-boronic acid (C6H6BN3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.5, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 162.94 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Pyrazolo[1,5-a]pyrazine-3-boronic acid (CAS 2304634-86-2), a certified reference material (molecular formula C6H6BN3O2, MW 162.94 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Pyrazolo[1,5-a]pyrazine-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 | C6H6BN3O2 |
| 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 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 3 |
Related Pyrazolo Standards
- (1H-Pyrazolo[3,4-b]pyridin-4-yl)boronic acid (CAS 2304635-23-0)
- 1H-Pyrazolo[3,4-b]pyridine-3-carboxylic acid (CAS 116855-08-4)
- 1H-Pyrazolo[3,4-b]pyridine-6-carboxylic Acid (CAS 1251111-24-6)
- 1H-Pyrazolo[3,4-c]pyridine-5-carboxylic Acid (CAS 1256824-45-9)
- 1H-Pyrazolo[4,3-β]pyridine-3-carboxylic acid (CAS 1260648-73-4)
- Pyrazolo[1,5-a]pyrimidine-7-carboxylic acid (CAS 1367949-47-0)
- 1H-Pyrazolo[3,4-b]pyridine-5-carboxylic Acid (CAS 952182-02-4)
- 2H-pyrazolo[4,3-b]pyridine-3-carboxylic acid (CAS 2819670-61-4)
Recommended Standards
- imidazo[1,2-a]pyrimidin-6-ylboronic acid (CAS 2426692-30-8)
- Bromobenzene-<SUP>13</SUP>C<SUB>6</SUB> (CAS 112630-77-0)
- Furo[2,3-c]pyridin-2-ylboronic acid (CAS 2172921-17-2)
- 2-Bromo-2-cyanoacetamide (CAS 1113-55-9)
- 3,4,6-TRI-O-METHYL-D-GALACTAL (CAS 89887-98-9)
- 1-(2-Methylphenyl)ethanamine Hydrochloride (CAS 35106-87-7)
- 5-Fluoro-2-methyl-4-(trifluoromethyl)aniline (CAS 1807063-18-8)
- 3-Benzyloxy-2,2-dimethylpropionaldehyde (CAS 38216-93-2)
- Potassium trifluoro[(4-fluorophenyl)methyl]boranuide (CAS 1494466-28-2)
- Methyl 3-(Boc-amino)bicyclo[1.1.1]pentane-1-carboxylate (CAS 676371-64-5)
- 1,2,3,4-Tetrahydroisoquinoline-7-carboxylic Acid Hydrochloride (CAS 220247-71-2)
- (4-Pivaloyl-2lambda5,4lambda4-morpholin-2-yl-2,2,3,3,4,6,6-d7)boronic acid (CAS 2225151-97-1)
- 2-([1,1':3',1''-Terphenyl]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1385826-84-5)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com