(1-(Thiophen-3-yl)-1H-pyrazol-4-yl)boronic acid CAS 1974329-41-3
| CAS No. | 1974329-41-3 |
| Molecular Formula | C7H7BN2O2S |
| Molecular Weight | 194.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(1-(Thiophen-3-yl)-1H-pyrazol-4-yl)boronic acid (C7H7BN2O2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. 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.
(1-(Thiophen-3-yl)-1H-pyrazol-4-yl)boronic acid (CAS 1974329-41-3), molecular formula C7H7BN2O2S and molecular weight 194.02 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.
CATO manufactures (1-(Thiophen-3-yl)-1H-pyrazol-4-yl)boronic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H7BN2O2S |
| Molecular Weight | 194.02 g/mol |
| 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.) | 1996 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Thiophen Standards
- (1-(Thiophen-2-yl)-1H-pyrazol-4-yl)boronic acid (CAS 2225177-32-0)
- 5-(Thiophen-2-yl)-1,2-oxazole-3-carboxamide (CAS 1019656-18-8)
- 5-(Thiophen-3-yl)-1h-pyrazole-3-carboxylic acid (CAS 1029108-69-7)
- 5-(Thiophen-2-yl)pyrimidine-2,4-diol (CAS 109299-90-3)
- 5-(Thiophen-3-yl)pyrimidine-2,4-diol (CAS 109428-23-1)
- 4-(Thiophen-3-yl)-1H-pyrazole-3-carboxylic acid (CAS 117784-24-4)
- 3-(Thiophen-3-yl)-1h-pyrazole-4-carboxylic acid (CAS 1249642-34-9)
- 3-(Thiophen-2-yl)furan-2-carboxylic acid (CAS 875160-15-9)
Recommended Standards
- 2,4-Dichloro-6-ethoxy-1,3,5-triazine (CAS 18343-30-1)
- (2-Thioxo-2,3-dihydro-1H-benzo[d]imidazol-5-yl)boronic acid (CAS 183282-42-0)
- (2-Amino-4,6-dichloropyrimidin-5-yl)methanol (CAS 850554-81-3)
- 2-Amino-4,6-dichloro-5-methoxypyrimidine (CAS 13428-25-6)
- 2-Fluoro-3-hydroxybenzene-1-sulfonyl chloride (CAS 1261621-06-0)
- 1-Cyclopropyl-2-(piperazin-1-yl)ethan-1-one (CAS 828911-02-0)
- (3R,4S,5R)-5-(5-Ethylisoxazol-3-yl)tetrahydrofuran-2,3,4-triol (CAS 252760-75-1)
- 2-(Cyclopropylamino)-4-(4-iodo-1h-pyrazol-1-yl)butanoic acid (CAS 1339216-30-6)
- 1,4-Dihydroxynaphthalene (CAS 571-60-8)
- 1-methyl-3-(2-methylpropyl)-1H-pyrazol-5-amine (CAS 118430-72-1)
- 3-Bromo-4-(methylsulfonyl)benzaldehyde (CAS 254878-96-1)
- 2-Chloro-5-methyl-3-pyridinecarboxaldehyde oxime (CAS 1203500-13-3)
- (4-(tert-butyl)-2-iodophenyl)methanamine (CAS 1369932-72-8)
- D-Asp9-Tirzepatide (CAS CATO-CPTD788923)
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