4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide

颜料红268

Also known as: C.I. Pigment Red 268, Pigment Red 268, C.I. 12316, PR 268, 4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide, 4-[[5-(aminocarbonyl)-2-methylphenyl]azo]-3-hydroxy-N-phenyl-2-naphthalenecarboxamide, 2-Naphthalenecarboxamide, 4-[[5-(aminocarbonyl)-2-methylphenyl]azo]-3-hydroxy-N-phenyl-, 1-(2-Methyl-5-benzamide)azo-2-hydroxy-3-naphthanalide, 1-(2-Methyl-5-carbamylphenylazo)-2-hydroxy-3-phenylcarbamoylnaphthalene, (4Z)-4-[(5-carbamoyl-2-methylphenyl)hydrazinylidene]-3-oxo-N-phenylnaphthalene-2-carboxamide, 2-Naphthanilide, 4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxy-

4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide (CAS 16403-84-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C25H20N4O3 and a molecular weight of 424.45100 g/mol. It is also known as C.I. Pigment Red 268, Pigment Red 268 and C.I. 12316. Key property: a density of 1.31 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16403-84-2
Jingsj CID
J-1340801-7
Molecular Formula
C25H20N4O3
Chinese Name
颜料红268
Molecular Weight
424.45100 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Density1.31 g/cm3

Frequently Asked Questions

What is the CAS number of 4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide?

The CAS number of 4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide is 16403-84-2.

What are the molecular formula and molecular weight of 4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide?

4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide has molecular formula C25H20N4O3 and molecular weight 424.45100 g/mol.

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

Last updated:

How to cite: Jingsj. "4-[(5-carbamoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide (CAS 16403-84-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1340801-7 (accessed 2026-10-25).

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