4,4,5,5-Tetramethyl-2-(3-methyl-4-(methylsulfonyl)phenyl)-1,3,2-dioxaborolane CAS 1421340-99-9
| CAS No. | 1421340-99-9 |
| Molecular Formula | C14H21BO4S |
| Molecular Weight | 296.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4,4,5,5-Tetramethyl-2-(3-methyl-4-(methylsulfonyl)phenyl)-1,3,2-dioxaborolane (CAS 1421340-99-9) is a high-purity analytical reference standard with the molecular formula C14H21BO4S and a molecular weight of 296.19 g/mol.
Structurally, 4,4,5,5-Tetramethyl-2-(3-methyl-4-(methylsulfonyl)phenyl)-1,3,2-dioxaborolane (C14H21BO4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 296.19 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures 4,4,5,5-Tetramethyl-2-(3-methyl-4-(methylsulfonyl)phenyl)-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 | C14H21BO4S |
| Molecular Weight | 296.19 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Sulfur Atoms | 1 |
Related Tetramethyl Standards
- 4,4,5,5-Tetramethyl-2-(2-methyl-4-(methylsulfonyl)phenyl)-1,3,2-dioxaborolane (CAS 1011459-26-9)
- 4,4,5,5-Tetramethyl-2-(4-((methylsulfonyl)methyl)phenyl)-1,3,2-dioxaborolane (CAS 1383968-45-3)
- 4-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-yl)morpholine (CAS 1402172-49-9)
- 4,4,5,5-Tetramethyl-2-(3-((methylsulfonyl)methyl)phenyl)-1,3,2-dioxaborolane (CAS 1864802-09-4)
- 4'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1'-biphenyl]-2-ol (CAS 1219741-54-4)
- [(E)-5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pent-4-enyl] 2,2-dimethylpropanoate (CAS 141091-32-9)
- 1-(6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-yl)ethanone (CAS 1614255-25-2)
- 3-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)pentanedinitrile (CAS 2304635-62-7)
Recommended Standards
- 2-(2-Bromophenyl)-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-amine (CAS 1418273-33-2)
- 2-(4-(Ethylsulfonyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1436867-18-3)
- (4-(Decyloxy)-2-fluorophenyl)boronic acid (CAS 175425-95-3)
- Methyl 5-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate (CAS 1235545-46-6)
- 1-(tert-Butoxycarbonyl)-3-phenylpyrrolidine-2-carboxylic acid (CAS 143979-44-6)
- 2-(3-(1,1,2,2-Tetrafluoroethoxy)phenyl)ethan-1-ol (CAS 1000535-66-9)
- Isopropylhydrazine hemisulfate (CAS 72824-97-6)
- 3-Nitro-2-[3-(2-phenyl-1,3-thiazol-5-yl)-1H-pyrazol-1-yl]pyridine (CAS 318255-94-6)
- Methyl 2-methoxy-6-(2-methoxyphenyl)thieno-[3,2-d]pyrimidine-4-carboxylate (CAS 1407180-85-1)
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- Methyl 6,8-dichloro-2H-chromene-3-carboxylate (CAS 118693-22-4)
- 3,3-dimethyl-4-(1-methyl-1H-pyrazol-4-yl)azetidin-2-one (CAS 1803599-52-1)
- 5-((Methylamino)methyl)pyrimidin-2-amine (CAS 1215295-83-2)
- D-[Thr]7-Liraglutide (CAS CATO-C4X-199237)
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