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

Also known as: 1-Boc-indazole-5-boronic acid pinacol ester, 1-(tert-Butoxycarbonyl)-1H-indazole-5-boronic acid pinacol ester, 1-Boc-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole, 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole-1-carboxylic acid tert-butyl ester, tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)indazole-1-carboxylate, N-Boc-indazole-5-boronic acid pinacol ester, 2-Methyl-2-propanyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole-1-carboxylate

tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole-1-carboxylate (CAS 864771-44-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H25BN2O4 and a molecular weight of 344.213 g/mol. Key properties include a melting point of 110ºC, a boiling point of 461.4±37.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 232.8±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
864771-44-8
Jingsj CID
J-1509722-0
Molecular Formula
C18H25BN2O4
Molecular Weight
344.213 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point110ºC
Boiling Point461.4±37.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point232.8±26.5 °C
Exact Mass344.190735
PSA62.58000
LogP3.11870
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.538

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole-1-carboxylate?

The CAS number of tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole-1-carboxylate is 864771-44-8.

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

tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole-1-carboxylate has molecular formula C18H25BN2O4 and molecular weight 344.213 g/mol.

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

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

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

Last updated:

How to cite: Jingsj. "tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole-1-carboxylate (CAS 864771-44-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1509722-0 (accessed 2026-11-09).

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