4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine

Also known as: 2-Amino-4-methylpyrimidine-5-boronic acid pinacol ester, (2-Amino-4-methylpyrimidin-5-yl)boronic acid pinacol ester, 2-Pyrimidinamine, 4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, 4-Methyl-2-aminopyrimidine-5-boronic acid pinacol ester, [4-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]amine

4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine (CAS 944401-55-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H18BN3O2 and a molecular weight of 235.09100 g/mol. Key properties include a boiling point of 409.7±47.0°C at 760 mmHg and a density of 1.11. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 944401-55-2
Jingsj CID: J-1038898-4
Molecular Formula: C₁₁H₁₈BN₃O₂
Molecular Weight: 235.09100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	409.7±47.0°C at 760 mmHg
Density	1.11
Exact Mass	235.14900
PSA	70.26000
LogP	1.24760
Additional Property	Slightly soluble in water.

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 4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine?

The CAS number of 4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine is 944401-55-2.

What are the molecular formula and molecular weight of 4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine?

4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine has molecular formula C11H18BN3O2 and molecular weight 235.09100 g/mol.

What are the upstream and downstream products of 4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine?

For 4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine, Upstream Products: 2-Amino-5-bromo-4-methylpyrimidine, Bis(pinacolato)diboron, 2-Amino-4-methylpyrimidine.

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. "4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine (CAS 944401-55-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1038898-4 (accessed 2026-11-09).

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