Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing 4-Hydroxy-3-nitropyridine?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Sourcing 4-Hydroxy-3-nitropyridine?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
4-Hydroxy-3-nitropyridine is a chemical compound used as a pharmaceutical intermediate. It features a pyridine ring with both hydroxyl and nitro substituents, giving it moderate polarity and a single hydrogen bond donor.
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 4-Hydroxy-3-nitropyridine (CAS 5435-54-1) is 2933.39.
2933.39
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
3-nitro-1H-pyridin-4-one
YUWOLBZMQDGRFV-UHFFFAOYSA-N
C1=CNC=C(C1=O)[N+](=O)[O-]