2-(4-Cyclopropyl-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 2223040-90-0
| CAS No. | 2223040-90-0 |
| Molecular Formula | C16H23BO2 |
| Molecular Weight | 258.16 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.
2-(4-Cyclopropyl-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2223040-90-0) is a high-purity analytical reference standard with the molecular formula C16H23BO2 and a molecular weight of 258.16 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 2-(4-Cyclopropyl-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 258.16 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).
As a certified reference material (CRM), 2-(4-Cyclopropyl-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C16H23BO2 |
| Molecular Weight | 258.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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.) | 1998 |
Related Cyclopropyl Standards
- 2-(2-Cyclopropyl-3-ethynylbicyclo[1.1.1]pentan-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2609867-06-1)
- 2-(2-Cyclopropyl-6-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2223036-65-3)
- 2-(3-Cyclopropyl-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2223031-05-6)
- N-cyclopropyl-N-(2,3-dichlorobenzyl)acetamide (CAS 1041439-18-2)
- 1-Cyclopropyl-5-(1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)-1H-tetrazole (CAS 321526-29-8)
- n-Cyclopropyl-2-((4-(trifluoromethyl)phenyl)amino)acetamide (CAS 1021110-45-1)
- N-Cyclopropyl-4-hydroxy-3-nitrobenzenesulfonamide (CAS 1094401-65-6)
- 4-Cyclopropyl-2-(4-fluorophenyl)pyrimidine-5-carboxylic acid (CAS 1280574-37-9)
Recommended Standards
- 2-(4-Cyclobutylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121513-90-2)
- 2-(4-Nitro-3-(trifluoromethyl)phenyl)-2H-1,2,3-triazole (CAS 2094207-20-0)
- 2-[(1E)-2-(4-Ethylphenyl)ethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 870717-91-2)
- 2-(3-Cyclobutylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121514-70-1)
- 3-[(4-Nitrobenzyl)oxy]pyridine hydrobromide (CAS 1158774-34-5)
- 5-[(2-Acetamido-3,4,6-tri-O-acetyl-2-deoxy-b-D-galactopyranosyl)oxy]pentanoic Acid (CAS 1159408-54-4)
- 1-(2-(Piperidin-4-yloxy)phenyl)ethanone hydrochloride (CAS 1188375-07-6)
- Benzyl (((S)-1-((S)-2-amino-3-methylbutanoyl)pyrrolidin-2-yl)methyl)(isopropyl)carbamate (CAS 1401668-45-8)
- 2-Fluoro-4-propoxyaniline (CAS 1251218-22-0)
- 4-Carbamoyl-4-methoxy-piperidine Hydrochloride (CAS 1227266-82-1)
- 2-(2-Aminoethyl)-6-methylpyrimidin-4-ol (CAS 41648-85-5)
- 4-(3-Chloro-2-methylphenyl)-4-oxobutanoic acid (CAS 1417510-65-6)
- 2-Amino-3-(3-chloro-5-fluoro-4-methoxyphenyl)propanoic acid (CAS 1260005-16-0)
- Endo-Gly4-Semaglutide (CAS CATO-C4X-222679)
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