tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindoline-2-carboxylate

Also known as: 2-Boc-1,3-dihydro-isoindole-5-boronic acid pinacol ester, 2-Boc-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-dihydro-isoindole, tert-butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-isoindole-2-carboxylate, tert-butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-dihydroisoindole-2-carboxylate, 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-dihydro-isoindole-2-carboxylic acid tert-butyl ester, 2H-Isoindole-2-carboxylic acid, 1,3-dihydro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 1,1-dimethylethyl ester

tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindoline-2-carboxylate (CAS 905273-91-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C19H28BNO4 and a molecular weight of 345.241 g/mol. Key properties include a boiling point of 442.5±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 221.4±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

905273-91-8

Jingsj CID

J-1059714-5

Molecular Formula

C₁₉H₂₈BNO₄

Molecular Weight

345.241 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026