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(1R,3S,4S)-3-[6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

(1R,3S,4S)-3-[6-(4,4,5,5-四甲基-1,3,2-二氧杂硼杂环戊烷-2-基)-1H-苯并咪唑-2-基]-2-氮杂双环[2.2.1]庚烷-2-羧酸叔丁酯

Also known as: Ledipasvir intermediate 09, Ledipasvir intermediate 1, tert-butyl (1R,3S,4S)-3-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate, (1R,3S,4S)-tert-butyl 3-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate, 2-Azabicyclo[2.2.1]heptane-2-carboxylic acid, 3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-, 1,1-dimethylethyl ester, (1R,3S,4S)-

(1R,3S,4S)-3-[6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester (CAS 1256387-87-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C24H34BN3O4 and a molecular weight of 439.355 g/mol. It is also known as Ledipasvir intermediate 09, Ledipasvir intermediate 1 and tert-butyl (1R,3S,4S)-3-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate. Key properties include a boiling point of 613.5±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 324.8±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1256387-87-7
Jingsj CID
J-1527010-6
Molecular Formula
C24H34BN3O4
Chinese Name
(1R,3S,4S)-3-[6-(4,4,5,5-四甲基-1,3,2-二氧杂硼杂环戊烷-2-基)-1H-苯并咪唑-2-基]-2-氮杂双环[2.2.1]庚烷-2-羧酸叔丁酯
Molecular Weight
439.355 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point613.5±35.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point324.8±25.9 °C

Frequently Asked Questions

What is the CAS number of (1R,3S,4S)-3-[6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester?

The CAS number of (1R,3S,4S)-3-[6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester is 1256387-87-7.

What are the molecular formula and molecular weight of (1R,3S,4S)-3-[6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester?

(1R,3S,4S)-3-[6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester has molecular formula C24H34BN3O4 and molecular weight 439.355 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(1R,3S,4S)-3-[6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester (CAS 1256387-87-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1527010-6 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.