Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[b]thiophene-2-carboxylate CAS 690632-26-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 690632-26-9 |
| Molecular Formula | C16H19BO4S |
| Molecular Weight | 318.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
Methyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[b]thiophene-2-carboxylate (CAS 690632-26-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H19BO4S. Molecular weight: 318.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H19BO4S |
| Molecular Weight | 318.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[b]thiophene-2-carboxylate (CAS 1227664-18-7)
- 2-[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)phenyl]butyric Acid Ethyl Ester (CAS 1282659-60-2)
- 1-Butyl-3-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)urea (CAS 874299-07-7)
- 1-Butyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)urea (CAS 850567-59-8)
- Methyl 3'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1'-bi(bicyclo[1.1.1]pentane)]-3-carboxylate (CAS 2826263-80-1)
- N-[2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-4-pyridyl]hexanamide (CAS 2246704-76-5)
- Ethyl 7-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1-benzofuran-2-carboxylate (CAS 2377587-31-8)
- Methyl 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)chromane-2-carboxylate (CAS 2152654-65-2)
Recommended Standards
- 7-Benzyl-2,4-dichloro-5,6,7,8-tetrahydro-1,7-naphthyridine-3-carbonitrile (CAS 2584980-96-9)
- tert-Butyl 2-(4,6-dichloropyrimidin-2-yl)pyrrolidine-1-carboxylate (CAS 2080361-24-4)
- 7-Benzyl-1,3-dichloro-5,6,7,8-tetrahydro-2,7-naphthyridine-4-carbonitrile (CAS 372090-70-5)
- 1-((1-Methyl-1H-pyrazol-3-yl)methyl)-4-oxa-1,9-diazaspiro[5.5]undecane (CAS 1422138-92-8)
- Diethyl 3,6-diaminopyrazine-2,5-dicarboxylate (CAS 203798-46-3)
- (R)-2-[(Fmoc-amino)methyl]-3-methylbutanoic acid (CAS 501331-02-8)
- N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-3,4-dimethoxybenzamide (CAS 380903-56-0)
- (4-Cyclopropoxy-3-(methylthio)phenyl)methanamine (CAS 1243481-92-6)
- 6-(4-Methoxyphenyl)-5-(methylsulfonyl)pyridazin-3(2H)-one (CAS 1713588-48-7)
- Cholecystokinin Octapeptide (sulfated) (H-2060.0005) (CAS 25679-23-6)
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 13829788188 / jacky.chen@cato-chem.com