This compound is a pyrazolone derivative featuring a carboxylic acid group and an aromatic ring. It is primarily used as an intermediate in pharmaceutical manufacturing.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Sourcing 5-Oxo-1-phenyl-2-pyrazoline-3-carboxylic acid?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
1(2H)-phthalazinone
pharmaceutical intermediate
1-Phenyl-1,2-propanedione-2-oxime
pharmaceutical intermediate
2-formylbenzoic acid
pharmaceutical intermediate
4'-Methoxy-2'-nitroacetanilide
pharmaceutical intermediate
1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone
pyrazolone dye intermediate
1-phenyl-3-carbethoxy-5-pyrazolone
pharmaceutical intermediate
2-(3-methyl-5-oxo-2-pyrazolinyl)benzenesulfonic acid
pyrazolone dye intermediate
1-(2,5-Dichloro-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid
Dye intermediate
The international HS code for 5-Oxo-1-phenyl-2-pyrazoline-3-carboxylic acid (CAS 119-18-6) is 2933.19.
2933.19
2933 19 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
5-oxo-1-phenyl-4H-pyrazole-3-carboxylic acid
IMZSHPUSPMOODC-UHFFFAOYSA-N
C1C(=NN(C1=O)C2=CC=CC=C2)C(=O)O
—
Sourcing 5-Oxo-1-phenyl-2-pyrazoline-3-carboxylic acid?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.