C12H12N2O3
232.23 g/mol
Pharmaceutical IntermediateWarning
Ethyl 5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate
CAS89-33-8EC201-899-4
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a pyrazolone derivative used as a pharmaceutical intermediate. It is primarily significant in the synthesis of various active pharmaceutical ingredients.
Pharmaceutical intermediate for pyrazolone-based compounds
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 Ethyl 5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
ReferenceSame Category
4-nitrophthalimide
CAS89-40-7
pharmaceutical intermediate
ReferenceSame Category
N-acetylanthranilic acid
CAS89-52-1
pharmaceutical intermediate
ReferenceSame Category
5-Amino-2-chlorobenzoic acid
CAS89-54-3
pharmaceutical intermediate
ReferenceSame Category
4-chloro-2-nitrotoluene
CAS89-59-8
pharmaceutical intermediate
Referencesame scaffold
Ethyl pyrazolone t
CAS6402-06-8
Dye intermediate
Referencesame scaffold
5-Oxo-1-phenyl-2-pyrazolin-3-carboxylic acid
CAS119-18-6
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for Ethyl 5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate (CAS 89-33-8) is 2933.19.
HS code (international, 6-digit)
2933.19
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
ethyl 5-oxo-1-phenyl-4H-pyrazole-3-carboxylate
InChIKey
WBFXQKNQVZMOSQ-UHFFFAOYSA-N
SMILES
CCOC(=O)C1=NN(C(=O)C1)C2=CC=CC=C2
Synonyms (21)
- PCBP
Sourcing Ethyl 5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.