(4-methoxycarbonyl-2-thienyl)boronic acid CAS 1333313-18-0
| CAS No. | 1333313-18-0 |
| Molecular Formula | C6H7BO4S |
| Molecular Weight | 185.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies (4-methoxycarbonyl-2-thienyl)boronic acid (CAS 1333313-18-0), a certified reference material (molecular formula C6H7BO4S, MW 185.99 g/mol) for analytical method development and quality control.
Structurally, (4-methoxycarbonyl-2-thienyl)boronic acid (C6H7BO4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 185.99 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures (4-methoxycarbonyl-2-thienyl)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 | C6H7BO4S |
| Molecular Weight | 185.99 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Sulfur Atoms | 1 |
Related methoxycarbonyl Standards
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- [2-(Methoxycarbonyl)thiophen-3-yl]boronic acid (CAS 1596339-08-0)
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- 4-methoxycarbonyl-2-oxabicyclo[2.1.1]hexane-1-carboxylic acid (CAS 2377030-85-6)
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- 4-(Methoxycarbonyl)thiophene-3-carboxylic acid (CAS 4282-30-8)
- 5-(Methoxycarbonyl)-2-thiophenecarboxylic Acid (CAS 50340-79-9)
Recommended Standards
- 5-Borono-3-methylthiophene-2-carboxylic acid (CAS 1190830-77-3)
- (R)-1-Iodopropan-2-ol (CAS 847609-92-1)
- (2,3-Dihydrothieno[3,4-b][1,4]dioxin-5-yl)boronic acid (CAS 1116093-39-0)
- (S)-1-Iodopropan-2-ol (CAS 847609-91-0)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com