tert-Butyl 5-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate

Also known as: 1-Boc-5-methoxyindole-3-boronic acid, pinacol ester, 1-Boc-5-methoxyindole-3-boronic acid pinacol ester, tert-Butyl 5-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate, 5-Methoxy-1-Boc-1H-indole-3-boronic acid pinacol ester, Pinacol 5-methoxy-1-boc-1H-indole-3-borate, 1H-Indole-1-carboxylic acid, 5-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 1,1-dimethylethyl ester

tert-Butyl 5-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate (CAS 1256359-99-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H28BNO5 and a molecular weight of 373.25100 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1256359-99-5
Jingsj CID: J-1018929-4
Molecular Formula: C₂₀H₂₈BNO₅
Molecular Weight: 373.25100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	373.20600
PSA	58.92000
LogP	3.73230

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of tert-Butyl 5-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate?

The CAS number of tert-Butyl 5-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate is 1256359-99-5.

What are the molecular formula and molecular weight of tert-Butyl 5-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate?

tert-Butyl 5-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate has molecular formula C20H28BNO5 and molecular weight 373.25100 g/mol.

What are the upstream and downstream products of tert-Butyl 5-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate?

For tert-Butyl 5-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate, Upstream Products: tert-butyl 3-bromo-5-methoxy-1H-indole-1-carboxylate, Bis(pinacolato)diboron, tert-Butyl 3-iodo-5-methoxy-1H-indole-1-carboxylate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "tert-Butyl 5-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate (CAS 1256359-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1018929-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.