3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylic acid CAS 1187591-40-7
| CAS No. | 1187591-40-7 |
| Molecular Formula | C11H15BO4S |
| Molecular Weight | 254.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylic acid.
CATO supplies 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylic acid (CAS 1187591-40-7), a certified reference material (molecular formula C11H15BO4S, MW 254.11 g/mol) for analytical method development and quality control.
Structurally, 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylic acid (C11H15BO4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 254.11 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylic 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 | C11H15BO4S |
| Molecular Weight | 254.11 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Sulfur Atoms | 1 |
Related Tetramethyl Standards
- 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-3-carboxylic acid (CAS 1191063-59-8)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-3-carboxylic acid (CAS 1354699-11-8)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole-2-carboxamide (CAS 2223044-61-7)
- 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine (CAS 1383675-83-9)
- 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine (CAS 2057507-08-9)
- Methyl 3-((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)cyclobutane-1-carboxylate (CAS 2365173-88-0)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isophthalonitrile (CAS 863868-35-3)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isophthalonitrile (CAS 863868-34-2)
Recommended Standards
- [4-(Cyclopentanesulfonyl)phenyl]boronic acid (CAS 1175560-94-7)
- 3-( Methoxy-d (CAS 1188298-74-9)
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- 5-Bromo-N,N-dimethylpyrazole-1-sulfonamide (CAS 934405-34-2)
- Methyl 3-Oxo-6-heptynoate (CAS 100330-50-5)
- 4-Iodo-1H-pyrazole-5-carboxamide (CAS 1327155-29-2)
- 2-(3,5-Dibromo-2-pyridylazo)-5-(diethylamino)phenol (CAS 14337-54-3)
- Ser-Asn-Tyr-Phe-Pro-Arg-Pro-Trp (CAS CATO-CPTD788488)
- (R)-2,2,2-TRIFLUORO-1-(NAPHTHALEN-1-YL)ETHAN-1-AMINE HCL (CAS 2241594-40-9)
- Methyl (r)-3-amino-3-(pyrimidin-4-yl)propanoate (CAS 1344926-29-9)
- 2-Amino-5-(difluoromethyl)-3-iodopyridine-4-sulfonamide (CAS 1806794-17-1)
- tert-Butyl (2-bromo-5-methoxybenzyl)carbamate (CAS 478375-35-8)
- 4-(4-Chloro-1h-pyrazol-1-yl)-3-methylbenzaldehyde (CAS 1250251-15-0)
- Exenatide Acetate (CAS 141732-76-5)
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