4,4,5,5-Tetramethyl-2-(thiochroman-8-yl)-1,3,2-dioxaborolane CAS 2788905-78-0
| CAS No. | 2788905-78-0 |
| Molecular Formula | C15H21BO2S |
| Molecular Weight | 276.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 4,4,5,5-Tetramethyl-2-(thiochroman-8-yl)-1,3,2-dioxaborolane is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 276.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
4,4,5,5-Tetramethyl-2-(thiochroman-8-yl)-1,3,2-dioxaborolane (CAS 2788905-78-0), molecular formula C15H21BO2S and molecular weight 276.20 g/mol, is a CATO reference standard with documented purity and traceability.
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 4,4,5,5-Tetramethyl-2-(thiochroman-8-yl)-1,3,2-dioxaborolane 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 | C15H21BO2S |
| Molecular Weight | 276.20 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Sulfur Atoms | 1 |
Related Tetramethyl Standards
- 4,4,5,5-Tetramethyl-2-(1-(4-(methylthio)phenyl)vinyl)-1,3,2-dioxaborolane (CAS 2559765-21-6)
- 4,4,5,5-Tetramethyl-2-(3-methyl-5-propoxyphenyl)-1,3,2-dioxaborolane (CAS 1218789-73-1)
- 2-Methyl-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-1-ol (CAS 1256360-30-1)
- 2-Methyl-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-2-ol (CAS 1310707-20-0)
- 4,4,5,5-Tetramethyl-2-[3-(2-methylpropoxy)phenyl]-1,3,2-dioxaborolane (CAS 1338916-31-6)
- 4,4,5,5-Tetramethyl-2-(2-methyl-4-propoxyphenyl)-1,3,2-dioxaborolane (CAS 1688702-80-8)
- 4,4,5,5-Tetramethyl-2-(5-methyl-2-propan-2-yloxy-phenyl)-1,3,2-dioxaborolane (CAS 2121512-73-8)
- N-((5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)methyl)propan-2-amine (CAS 919347-30-1)
Recommended Standards
- 5,5`-Dinitro[1,1`-biphenyl]-2,2`-diol (CAS 32750-13-3)
- 2-(5-Nitrofuran-2-amido)benzoic acid (CAS 99971-02-5)
- Dimethyl (3-(4-fluorophenoxy)-2-oxopropyl)phosphonate (CAS 55444-94-5)
- 4-Bromo-2-(4-ethylpiperazino)thiazole (CAS 1289002-93-2)
- DL-Mannose (CAS 31103-86-3)
- 1-(2,4-Dioxo-1,2,3,4-tetrahydrothieno[3,2-d]pyrimidin-7-yl)guanidine (CAS 538360-42-8)
- N-(3-fluoro-4-methylphenyl)guanidine (CAS 46117-85-5)
- 2-((5-Phenyl-1,3,4-thiadiazol-2-yl)amino)thiazol-4(5H)-one (CAS 89335-17-1)
- 4-Iodo-2-methyl-1-nitrobenzene (CAS 52415-00-6)
- 7-Methyl-1h,2h,3h,4h-cyclopenta[b]indol-2-amine (CAS 1706459-15-5)
- 8-Bromo-6-methyl-2-(methylthio)imidazo[1,2-a]pyridine-3-carboxylic acid (CAS 446273-65-0)
- 3-(3-Chlorophenyl)-1-ethylpiperazine (CAS 115238-11-4)
- Bis(methylphenylthiocarbamoyl)disulfide (CAS 10591-84-1)
- Liraglutide Impurity 18 TFA Salt (CAS CATO-C4X-199218)
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