NOR-4

去甲-4

Also known as: FR 144420, 4-ethyl-2-(hydroxyimino)-5-nitro-3-hexen-1-yl-nicotinamide, 4-ethyl-3-hex-1-enyl-2-hydroxyimino-5-nitropyridine-3-carboxamide, (+/-)-(E)-4-ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide, 3-[(+)-(E)-ethyl-2'-[(E)-hydroxyimino]-5-nitro-3-hexenecarbamoyl]pyridine

NOR-4 (CAS 163180-50-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H18N4O4 and a molecular weight of 306.31700 g/mol. It is also known as FR 144420, 4-ethyl-2-(hydroxyimino)-5-nitro-3-hexen-1-yl-nicotinamide and 4-ethyl-3-hex-1-enyl-2-hydroxyimino-5-nitropyridine-3-carboxamide. Key properties include a boiling point of 600.8ºC at 760 mmHg, a density of 1.26g/cm3 and a flash point of 317.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 163180-50-5
Jingsj CID: J-1065858-3
Molecular Formula: C₁₄H₁₈N₄O₄
Chinese Name: 去甲-4
Molecular Weight: 306.31700 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	600.8ºC at 760 mmHg
Density	1.26g/cm3
Flash Point	317.2ºC

Frequently Asked Questions

What is the CAS number of NOR-4?

The CAS number of NOR-4 is 163180-50-5.

What are the molecular formula and molecular weight of NOR-4?

NOR-4 has molecular formula C14H18N4O4 and molecular weight 306.31700 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "NOR-4 (CAS 163180-50-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1065858-3 (accessed 2026-10-24).

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