5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isothiazole

5-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)异噻唑

Also known as: 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2-thiazole, isothiazol-5-ylboronic acid pinacol ester, isothazole-5-boronic acid pinacol ester, isothiazole-5-boronic acid pinacol ester, TIMTEC-BB SBB013829

5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isothiazole (CAS 1045809-78-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H14BNO2S and a molecular weight of 211.08900 g/mol. It is also known as 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2-thiazole, isothiazol-5-ylboronic acid pinacol ester and isothazole-5-boronic acid pinacol ester. Key properties include a boiling point of 234.435ºC at 760 mmHg, a density of 1.121 g/cm3 and a flash point of 95.583ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1045809-78-6

Jingsj CID

J-1359279-6

Molecular Formula

C₉H₁₄BNO₂S

Chinese Name

5-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)异噻唑

Molecular Weight

211.08900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026