Safety Reference
Warning
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Sourcing 3-Methyl-2-pyrazolin-5-one?
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Sourcing 3-Methyl-2-pyrazolin-5-one?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
3-Methyl-2-pyrazolin-5-one is a chemical compound used as an intermediate in the production of pyrazolone-based pharmaceuticals. Its structure features a five-membered heterocyclic ring with an amide group.
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.
The international HS code for 3-Methyl-2-pyrazolin-5-one (CAS 108-26-9) 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.
3-methyl-1,4-dihydropyrazol-5-one
NHLAPJMCARJFOG-UHFFFAOYSA-N
CC1=NNC(=O)C1