(6-Methoxybenzo[b]thiophen-2-yl)boronic acid CAS 182133-35-3
| CAS No. | 182133-35-3 |
| Molecular Formula | C9H9BO3S |
| Molecular Weight | 208.04 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 (6-Methoxybenzo[b]thiophen-2-yl)boronic acid.
(6-Methoxybenzo[b]thiophen-2-yl)boronic acid (CAS 182133-35-3) is a high-purity analytical reference standard with the molecular formula C9H9BO3S and a molecular weight of 208.04 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, (6-Methoxybenzo[b]thiophen-2-yl)boronic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 208.04 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 (6-Methoxybenzo[b]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 | C9H9BO3S |
| Molecular Weight | 208.04 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2009 |
| Sulfur Atoms | 1 |
Related Methoxybenzo Standards
- 1-(6-Methoxybenzo[d][1,3]dioxol-5-yl)propan-2-one (CAS 952016-87-4)
- 1-(7-Methoxybenzo[d][1,3]dioxol-5-yl)propan-1-one (CAS 19937-86-1)
- 5-Methoxybenzo[b]thiophene-3-carboxylic acid (CAS 123392-43-8)
- 3-Methoxybenzo[b]thiophene-2-carboxylic acid (CAS 19354-50-8)
- 4-Methoxybenzo[b]thiophene-2-carboxylic acid (CAS 476199-14-1)
- 6-Methoxybenzo[d]thiazole-2-carboxamide (CAS 946-12-3)
- 1-(6-Methoxybenzo[d]thiazol-2-yl)ethan-1-amine (CAS 1496221-13-6)
- n-Methoxybenzo[b]thiophene-3-carboxamide (CAS 1031188-04-1)
Recommended Standards
- Ytterbium fluoride oxide, 99.99% (REO) (CAS 15587-02-7)
- 4,5-Dichloro-2,3-dimethoxypyridine (CAS 1881291-78-6)
- 1-iodo-3-methyl-bicyclo[1.1.1]pentane (CAS 136399-10-5)
- (4-Cyclopentyl-3-fluorophenyl)boronic acid (CAS 2225178-77-6)
- 1-Bromo-7-methylnaphthalene (CAS 7511-27-5)
- 2-Chloro-1-methylquinolin-1-ium iodide (CAS 51803-19-1)
- tert-Butyl 4-(4-amino-3-chlorophenyl)-5,6-dihydropyridine (CAS 1387445-49-9)
- (7-Methoxy-1-benzofuran-2-yl)(4-methoxyphenyl)methanone (CAS 477848-12-7)
- 1-(Benzenesulfonyl)cyclobutane-1-carboxylic acid (CAS 134937-33-0)
- (2Z)-7-(4-Methoxyphenoxy)-2-[(4-methylphenyl)methylidene]-3-phenyl-2,3-dihydro-1H-inden-1-one (CAS 337921-54-7)
- N-(Propan-2-yl)morpholine-4-carboxamide (CAS 50708-02-6)
- N,N-Dimethyl-1-(3-(1-methyl-1H-indol-3-yl)-1,2,4-oxadiazol-5-yl)methanamine hydrochloride(1:x) (CAS 125817-65-4)
- Perampanel Impurity 9 (CAS 380918-51-4)
- D-Phe22-Tirzepatide (CAS CATO-CPTD788912)
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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