(5-(methoxycarbonyl)thiophen-2-yl)boronic acid CAS 876189-21-8
| CAS No. | 876189-21-8 |
| Molecular Formula | C6H11BO4S |
| Molecular Weight | 190.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(5-(methoxycarbonyl)thiophen-2-yl)boronic acid (CAS 876189-21-8), molecular formula C6H11BO4S and molecular weight 190.03 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, (5-(methoxycarbonyl)thiophen-2-yl)boronic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 190.03 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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 (5-(methoxycarbonyl)thiophen-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 | C6H11BO4S |
| Molecular Weight | 190.03 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
Related methoxycarbonyl Standards
- (5-(methoxycarbonyl)thiophen-3-yl)boronic acid (CAS 957062-52-1)
- trans-5-Methoxycarbonyl-1,4-dioxane-2-carboxylic acid (CAS 1112179-55-1)
- (Methoxycarbonyl)-L-asparagine (CAS 1437-23-6)
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Recommended Standards
- (3-Chlorophenyl)carbamicchloride (CAS 51028-36-5)
- 1-(2,6-Dichloropyridin-4-yl)ethan-1-one (CAS 185319-20-4)
- (E)-2,3-dichlorobenzaldehyde oxime (CAS 4414-54-4)
- 2-Chloro-5-(chloromethyl)nicotinaldehyde (CAS 176433-45-7)
- Methyl 2-[3-(Trifluoromethyl)phenyl]acetate (CAS 62451-84-7)
- Diamylsulfoxide (CAS 1986-90-9)
- 9-Benzyl-6-(2-(piperidin-1-yl)vinyl)-9H-purine (CAS 920503-20-4)
- 2-Methyl-3-(methylthio)-4-(p-tolyl)-2,3-dihydro-1H-pyrrolo[3,4-c]pyridine-1,6(5H)-dione (CAS 1269530-43-9)
- Ethyl 1-(3-methoxy-4-nitrophenyl)-4-piperidinecarboxylate (CAS 1017782-81-8)
- (E)-3-(p-Tolyl)acrylic acid (CAS 940-61-4)
- Methyl 4-(4-Benzyl-1-piperazinyl)-3-fluorobenzoate (CAS 1346597-56-5)
- Sodium selenate decahydrate (CAS 10102-23-5)
- 1,2,3,4-tetrahydroisoquinoline-1-carboxamide hydrochloride (CAS 16945-73-6)
- Gastrin Tetrapeptide (CAS 1947-37-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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