(4-Cyanothiophen-2-yl)boronic acid CAS 1312694-09-9
| CAS No. | 1312694-09-9 |
| Molecular Formula | C5H4BNO2S |
| Molecular Weight | 152.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies (4-Cyanothiophen-2-yl)boronic acid (CAS 1312694-09-9), a certified reference material (molecular formula C5H4BNO2S, MW 152.97 g/mol) for analytical method development and quality control.
(4-Cyanothiophen-2-yl)boronic acid (C5H4BNO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. 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.
CATO manufactures (4-Cyanothiophen-2-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 | C5H4BNO2S |
| Molecular Weight | 152.97 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Cyanothiophen Standards
- (2-Cyanothiophen-3-yl)boronic acid (CAS 1023595-18-7)
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