5-Chloro-2-fluoro-3-pyridinamine

3-氨基-5-氯-2-氟吡啶

Also known as: 3-AMINO-5-CHLORO-2-FLUOROPYRIDINE, 3-Pyridinamine, 5-chloro-2-fluoro-, 3-Pyridinamine,5-chloro-2-fluoro-(9CI), 5-CHLORO-2-FLUORO-PYRIDIN-3-YLAMINE, 5-Chloro-2-fluoropyridin-3-amine, 5-chloro-2-fluoropyridin-3-amine, 2-FLUORO-3-AMINO-5-CHLOROPYRIDINE, 5-chloro-2-fluoro-3-pyridinamine

5-Chloro-2-fluoro-3-pyridinamine (CAS 103999-78-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4ClFN2 and a molecular weight of 146.550 g/mol. It is also known as 3-AMINO-5-CHLORO-2-FLUOROPYRIDINE, 3-Pyridinamine, 5-chloro-2-fluoro- and 3-Pyridinamine,5-chloro-2-fluoro-(9CI). Key properties include a boiling point of 271.7±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 118.1±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
103999-78-6
Jingsj CID
J-1359322-5
Molecular Formula
C5H4ClFN2
Chinese Name
3-氨基-5-氯-2-氟吡啶
Molecular Weight
146.550 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point271.7±35.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point118.1±25.9 °C

Frequently Asked Questions

What is the CAS number of 5-Chloro-2-fluoro-3-pyridinamine?

The CAS number of 5-Chloro-2-fluoro-3-pyridinamine is 103999-78-6.

What are the molecular formula and molecular weight of 5-Chloro-2-fluoro-3-pyridinamine?

5-Chloro-2-fluoro-3-pyridinamine has molecular formula C5H4ClFN2 and molecular weight 146.550 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Chloro-2-fluoro-3-pyridinamine (CAS 103999-78-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359322-5 (accessed 2026-10-25).

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