Safety Reference
Warning
H400Very toxic to aquatic life
Sourcing 4-Oxo-TEMPO-d16, free radical?
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Sourcing 4-Oxo-TEMPO-d16, free radical?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
4-Oxo-TEMPO-d16 is a deuterated stable free radical compound used as a reference standard in electron spin resonance (ESR) spectroscopy. Its isotopic labeling and paramagnetic properties make it valuable for calibrating and validating ESR instruments in research laboratories.
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-Oxo-TEMPO-d16, free radical (CAS 36763-53-8) is 2845.90.
2845.90
2845 90 10
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
WSGDRFHJFJRSFY-NMRSHPDNSA-N
[2H]C1(C(=O)C(C(N(C1(C([2H])([2H])[2H])C([2H])([2H])[2H])[O])(C([2H])([2H])[2H])C([2H])([2H])[2H])([2H])[2H])[2H]