5-(Hydroxymethyl)thiophene-3-boronic Acid CAS 1268683-45-9
| CAS No. | 1268683-45-9 |
| Molecular Formula | C5H7BO3S |
| Molecular Weight | 157.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Hydroxymethyl)thiophene-3-boronic Acid (CAS 1268683-45-9), molecular formula C5H7BO3S and molecular weight 157.98 g/mol, is a CATO reference standard with documented purity and traceability.
5-(Hydroxymethyl)thiophene-3-boronic Acid (C5H7BO3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
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 manufactures 5-(Hydroxymethyl)thiophene-3-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 | C5H7BO3S |
| Molecular Weight | 157.98 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) | 2.5 |
| CAS Registry Year (est.) | 1990 |
| Sulfur Atoms | 1 |
Related Hydroxymethyl Standards
- (4-(Hydroxymethyl)thiophen-3-yl)boronic acid (CAS 158722-74-8)
- 2-(Hydroxymethyl)thiophen-3-ylboronic acid (CAS 916673-46-6)
- 3-(Hydroxymethyl)thiophene-2-boronic Acid (CAS 222840-73-5)
- 4-(Hydroxymethyl)phenylboronic acid 4-hydroxymethylphenylboronic acid (4-hydroxymethylphenyl)boronic acid 4-(hydroxymethyl)benzeneboronic acid [4-(hydroxymethyl)phenyl]boranediol 4-hydroxymethyl phenyl boronic acid hydroxymethylphenylboronic acid 4-(hydroxymethyl) phenylboronic acid 4-(hydroxylmethyl)phenylboronic acid p-(hydroxymethyl)phenylboronic acid 59016-93-2 (CAS 59016-93-2)
- 3-(Hydroxymethyl)phenylboronic acid 3-(Hydroxymethyl)benzeneboronic acid [3-(Hydroxymethyl)phenyl]boranediol m-(Hydroxymethyl)phenylboronic acid 87199-15-3 (CAS 87199-15-3)
- 3,4-Bis(hydroxymethyl)furan-2,5-dione (CAS 479035-71-7)
- methyl 4-(hydroxymethyl)-1,2,5-oxadiazole-3-carboxylate (CAS 2090148-51-7)
- 3-Acetyl-4-(hydroxymethyl)dihydrofuran-2(3H)-one (CAS 119502-23-7)
Recommended Standards
- (Z)-(1-Ethoxy-1-oxobut-2-en-2-yl)boronic acid (CAS 857284-86-7)
- 4-Methoxythiophene-2-boronic acid (CAS 1321901-82-9)
- (2-(Ethoxycarbonyl)cyclopropyl)boronic acid (CAS 2031248-31-2)
- N,N-Dichlorourethane (CAS 13698-16-3)
- N-(5-Acetyl-6-methyl-2-oxo-2H-pyran-3-yl)-3-chlorobenzamide (CAS 339009-27-7)
- 1-(3,6-Dichloropyridazin-4-yl)-2-methylpiperidin-4-one (CAS 2894015-06-4)
- 2-(Aminomethyl)-2-methyltetrahydrothiophene 1,1-dioxide (CAS 1784808-59-8)
- 5,2-Dimethyl-[2,4]bipyridinyl (CAS 1187168-36-0)
- 3-Ethoxy-N,N-dimethyl-4,5,6,7-tetrahydrobenzo[d]isoxazol-4-amine (CAS 794449-87-9)
- 2-(6-Methoxy-4-methylpyridin-3-yl)pyrrolidine-1-carbaldehyde (CAS 1352531-82-8)
- 6-Amino-1,4-dimethylquinolin-2(1H)-one (CAS 6759-51-9)
- 2-(4-Methoxyphenyl)-1-(4-methylphenyl)-6-oxopiperidine-3-carboxylic acid (CAS 855715-14-9)
- (R)-1-(4-fluoro-3-methoxyphenyl)-2-methoxyethan-1-amine (CAS 1269924-02-8)
- Semaglutide (CAS 910463-68-2)
Why CATO?
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