Chrome Red GN-N

4-[(4,5-二氢-3-甲基-5-氧代-1-苯基-1H-吡唑-4-基)偶氮]-3-羟基-7-硝基-1-萘磺酸单钠盐

Also known as: 4-[(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-7-nitro-1-naphthalenesulfonic acid monosodium salt, 1-Naphthalenesulfonic acid, 4-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-3-hydroxy-7-nitro-, sodium salt (1:1)

Chrome Red GN-N (CAS 90377-81-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H14N5NaO7S and a molecular weight of 491.40900 g/mol. It is also known as 4-[(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-7-nitro-1-naphthalenesulfonic acid monosodium salt and 1-Naphthalenesulfonic acid, 4-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-3-hydroxy-7-nitro-, sodium salt (1:1). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

90377-81-4

Jingsj CID

J-1971535-1

Molecular Formula

C₂₀H₁₄N₅NaO₇S

Chinese Name

4-[(4,5-二氢-3-甲基-5-氧代-1-苯基-1H-吡唑-4-基)偶氮]-3-羟基-7-硝基-1-萘磺酸单钠盐

Molecular Weight

491.40900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026