4-(Pyridin-3-yl)pyrimidin-2-amine

Also known as: 2-Pyrimidinamine, 4-(3-pyridinyl)-, 4-(3-Pyridinyl)-2-pyrimidinamine, 4-(3-Pyridinyl)-2-aminopyrimidine, 4-(3-Pyridinyl)-2-pyrimidine amine, 4-(3-Pyridyl)-2-pyrimidinamine, 4-(3-Pyridyl)-2-pyrimidineamine, MFCD01317832

4-(Pyridin-3-yl)pyrimidin-2-amine (CAS 66521-66-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8N4 and a molecular weight of 172.187 g/mol. Key properties include a melting point of 191 °C, a boiling point of 439.9±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 250.0±13.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 66521-66-2
Jingsj CID: J-31499-8
Molecular Formula: C₉H₈N₄
Molecular Weight: 172.187 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	191 °C
Boiling Point	439.9±37.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	250.0±13.7 °C
Exact Mass	172.074890
PSA	64.69000
LogP	0.37
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.642
Storage Conditions	2~8℃

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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-(Pyridin-3-yl)pyrimidin-2-amine?

The CAS number of 4-(Pyridin-3-yl)pyrimidin-2-amine is 66521-66-2.

What are the molecular formula and molecular weight of 4-(Pyridin-3-yl)pyrimidin-2-amine?

4-(Pyridin-3-yl)pyrimidin-2-amine has molecular formula C9H8N4 and molecular weight 172.187 g/mol.

What are the upstream and downstream products of 4-(Pyridin-3-yl)pyrimidin-2-amine?

For 4-(Pyridin-3-yl)pyrimidin-2-amine, Upstream Products: Guanidine carbonate, 1-(3-Pyridyl)-3-(dimethylamino)-2-propen-1-one, 2-Amino-4-chloropyrimidine; Downstream Products: 4-Chloromethyl-N-[4-methyl-3-[[4-(pyridin-3-yl)pyrimidin-2-yl]amino]phenyl]benzamide, methyl 4-methyl-3-((4-(pyridin-3-yl)pyrimidin-2-yl)amino)benzoate, Nilotinib.

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-(Pyridin-3-yl)pyrimidin-2-amine (CAS 66521-66-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31499-8 (accessed 2026-11-09).

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