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VAQORAPyrroles, Pyrrolidines & PyrazolesAvailable on request
Pyrazole-4-boronic acid, ≥95%
Synonyms: 4-Pyrazoleboronic acid · 1H-Pyrazole-4-boronic acid · (1H-pyrazol-4-yl)boronic acid · Boronic acid, 1H-pyrazol-4-yl-
CAS No.763120-58-7
FormulaC3H5BN2O2
Mol. weight111.90
Catalogue No.VQ-012645
Purity≥95%
HSN29420090
Pyrazole-4-boronic acid (CAS 763120-58-7) – five-membered N-heterocycle, ≥95%. C3H5BN2O2, MW 111.9. COA included. Worldwide shipping from Vaqora Chemicals.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Pyrazole-4-boronic acid, ≥95%
Listed under CAS 763120-58-7, Pyrazole-4-boronic acid is a five-membered N-heterocycle available from Vaqora Chemicals, specified at ≥95% purity. Its molecular formula is C3H5BN2O2 and its molecular weight is 111.9 g/mol. Its systematic (IUPAC) name is 1H-pyrazol-4-ylboronic acid. It is also known as 4-Pyrazoleboronic acid or 1H-Pyrazole-4-boronic acid.
It is supplied as white to yellow to beige powder or crystals. Key physical data: a melting point of 146-151 °C. Store it at 2–8 °C, in a tightly closed container. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.
It is commonly used for organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.
Vaqora Chemicals supplies Pyrazole-4-boronic acid in 250 mg, 1 g, 5 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Specifications & identifiers
| Product name | Pyrazole-4-boronic acid, ≥95% |
|---|---|
| Catalogue No. | VQ-012645 |
| CAS Number | 763120-58-7 |
| IUPAC name | 1H-pyrazol-4-ylboronic acid |
| Molecular formula | C3H5BN2O2 |
| Molecular weight | 111.9 g/mol |
| Exact mass | 112.0444 |
| Purity / assay | ≥95% |
| HSN code | 29420090 |
| InChIKey | KEZNMOUMHOZFRA-UHFFFAOYSA-N |
| SMILES | B(C1=CNN=C1)(O)O |
| PubChem CID | 17750278 |
| Physical form | Crystalline |
|---|---|
| Appearance | White to yellow to beige powder or crystals |
| Melting point | 146-151 °C |
| H-bond donors / acceptors | 3 / 3 |
| TPSA | 69.1 Ų |
| Storage | 2–8 °C |
| Synonyms | 4-Pyrazoleboronic acid, 1H-Pyrazole-4-boronic acid, (1H-pyrazol-4-yl)boronic acid, Boronic acid, 1H-pyrazol-4-yl-, 4-pyrazolyl boronic acid, 1H-pyrazole-4-ylboronic acid, 1H-Pyrazole-4-boronic acid(contains varying amounts of Anhydride), 1H-Pyrazol-4-yl-4-boronic acid, 1H-Pyrazole-4-boronicacid, 4-pyrazole boronic acid, 1H-pyrazol-4-boronic acid, 1h-pyrazol-4-yl boronic acid |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H315Causes skin irritationH319Causes serious eye irritationH335May cause respiratory irritation
Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Pyrazole-4-boronic acid, ≥95%?
The CAS Registry Number of Pyrazole-4-boronic acid, ≥95% is 763120-58-7. It is also known as 4-Pyrazoleboronic acid, 1H-Pyrazole-4-boronic acid, (1H-pyrazol-4-yl)boronic acid.
What is the molecular formula and molecular weight of Pyrazole-4-boronic acid, ≥95%?
Pyrazole-4-boronic acid, ≥95% has the molecular formula C3H5BN2O2 and a molecular weight of 111.9 g/mol. Its IUPAC name is 1H-pyrazol-4-ylboronic acid.
Which grade and pack sizes of Pyrazole-4-boronic acid, ≥95% can I order?
We supply Pyrazole-4-boronic acid, ≥95% in (≥95%) grade, in 250 mg, 1 g, 5 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Pyrazole-4-boronic acid, ≥95%?
Yes. Every lot of Pyrazole-4-boronic acid, ≥95% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Pyrazole-4-boronic acid, ≥95% be shipped internationally?
Yes. Pyrazole-4-boronic acid, ≥95% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
How should Pyrazole-4-boronic acid, ≥95% be stored?
2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.
Enquire about Pyrazole-4-boronic acid, ≥95%
We reply within one business day with price, pack options, lead time and documentation.
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