(3-(2-Methoxyethoxy)thiophen-2-yl)boronic acid CAS 1000894-11-0
| CAS No. | 1000894-11-0 |
| Molecular Formula | C7H11BO4S |
| Molecular Weight | 202.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3-(2-Methoxyethoxy)thiophen-2-yl)boronic acid (CAS 1000894-11-0), molecular formula C7H11BO4S and molecular weight 202.04 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (3-(2-Methoxyethoxy)thiophen-2-yl)boronic acid (C7H11BO4S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H11BO4S |
| Molecular Weight | 202.04 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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.) | 1988 |
| Sulfur Atoms | 1 |
Related Methoxyethoxy Standards
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- 3-(2-(2-Methoxyethoxy)ethoxy)thiophene (CAS 108580-09-2)
- 2-(2-Methoxyethoxy)ethanesulfonyl Chloride (CAS 1215974-61-0)
- Methyl 3-(2-methoxyethoxy)isoxazole-5-carboxylate (CAS 1707571-18-3)
- 5-(2-Methoxyethoxy)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1707568-61-3)
- 3-(2-Methoxyethoxy)-1-methyl-1H-pyrazole-4-carboxylic acid (CAS 2323030-75-5)
Recommended Standards
- 1 - Benzyl - 1H - pyrazole - 4 - boronic acid 1-(phenylmethyl)-1h-pyrazole-4-boronic acid, 1-benzyl-4-borono-1h-pyrazole 1-Benzyl-4-1H-pyrazoleboronic acid 1-benzyl-1H-pyrazol-4-ylboronic acid 1-benzyl-1h-pyrazol-4-boronic acid 1-benzyl-1h-pyrazole-4-boronic acid 1h-pyrazole-1-benzyl-4-boronic acid 1h-pyrazole-benzyl-4-boronic acid 852362-22-2 akos brn-0254 boronic acid, [1-(phenylmethyl)-1H-pyrazol-4-yl]- (CAS 852362-22-2)
- 2-(3,5-Dichlorophenoxy)acetonitrile (CAS 103140-12-1)
- 2-Methyl-4-(pyrazol-1-yl)phenylboronic acid (CAS 858523-47-4)
- 2,4-Dichloro-5-methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 1060815-86-2)
- 1-(2,3-DIchlorophenyl)biguanide hydrochloride (CAS 175205-08-0)
- 3,3-Difluoro-2-hydroxybutanoic Acid Ethyl Ester (CAS 165544-31-0)
- {[1-(3-methylphenyl)-1H-pyrazol-4-yl]methyl}amine hydrochloride (CAS 1049764-99-9)
- 5-(P-tolyl)pyrimidin-2-amine (CAS 31408-17-0)
- (R)-2-amino-5-(pyrrolidin-2-yl)benzoic acid (CAS 1213974-69-6)
- 6-(Methylsulfonyl)-N-phenylpyridazin-3-amine (CAS 92290-00-1)
- Benzyl ((1-(2-aminoacetyl)piperidin-2-yl)methyl)(ethyl)carbamate (CAS 1353962-76-1)
- 6-Chloroindoline-2-thione (CAS 392332-34-2)
- 3-Amino-5-(3-pyridyl)-1H-pyrazole Hydrochloride (CAS 1071623-05-6)
- Anxiety Peptide (CAS 95237-86-8)
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