3-[1-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]dibenzothiophene CAS 2559765-34-1
| CAS No. | 2559765-34-1 |
| Molecular Formula | C20H21BO2S |
| Molecular Weight | 336.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[1-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]dibenzothiophene (CAS 2559765-34-1) is a high-purity analytical reference standard with the molecular formula C20H21BO2S and a molecular weight of 336.26 g/mol.
3-[1-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]dibenzothiophene (C20H21BO2S) contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-[1-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]dibenzothiophene 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 | C20H21BO2S |
| Molecular Weight | 336.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Sulfur Atoms | 1 |
Related Tetramethyl Standards
- 2-[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrazol-1-yl]-butyric acid tert-butyl ester (CAS 1940181-12-3)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 942589-66-4)
- 2-(((4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)oxy)methyl)benzonitrile (CAS 1346708-12-0)
- 3-(((4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)oxy)methyl)benzonitrile (CAS 1346708-13-1)
- 4-(((4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)oxy)methyl)benzonitrile (CAS 1346708-14-2)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzo[d]oxazol-4-amine (CAS 942589-84-6)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzo[d]oxazol-6-amine (CAS 942589-97-1)
- N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzo[d]oxazol-2-amine (CAS 330793-73-2)
Recommended Standards
- (E)-N-[(2,4-Dichlorophenyl)methyl]-N''-phenyl-N'-(propan-2-yl)guanidine (CAS 338414-80-5)
- 3-Chloro-4-(4-(2-chlorobenzyl)piperazin-1-yl)aniline (CAS 640759-21-3)
- 2-{5-[3-(2H-1,3-benzodioxol-5-yl)-1,2,4-oxadiazol-5-yl]-1,2,4-oxadiazol-3-yl}pyrazine (CAS 1775309-69-7)
- 4-(4-(2,4-Dichlorobenzyl)piperazin-1-yl)aniline (CAS 938022-36-7)
- N-(3-Amino-4-chlorophenyl)-2-(4-chlorophenyl)-acetamide (CAS 1016817-34-7)
- 1-(tert-Butoxycarbonyl)-4-hydroxypiperidine-3-carboxylic acid (CAS 1015939-24-8)
- 1-(4-(3-(3-Fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)pentan-1-one (CAS 920386-96-5)
- 2,2,2-Trifluoroethyl (1-methyl-1H-pyrazol-4-yl)carbamate (CAS 1153756-58-1)
- 4-Bromo-3-methoxy-2-naphthonitrile (CAS 858031-24-0)
- 1-(Methoxyimino)-2,3-dihydro-1H-indene-5-carbaldehyde (CAS 405554-63-4)
- Methyl 7-bromoimidazo[1,5-a]pyridine-1-carboxylate (CAS 2060591-16-2)
- N'-methyl-N'-phenylbenzohydrazide (CAS 52023-39-9)
- 1-(2-Chloro-6-fluorobenzyl)-1H-pyrrole-3-carboxylic acid (CAS 1500987-02-9)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com