Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing Phthalic Acid-d4?
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4-NITROANILINE-2,3,5,6-D4
research compound
Sourcing Phthalic Acid-d4?
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Phthalic Acid-d4 is a deuterated reference standard, specifically This compound, used primarily in analytical and research settings. Its isotopic labeling makes it valuable for quantitative analysis and as an internal standard in mass spectrometry.
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 Phthalic Acid-d4 (CAS 87976-26-9) 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.
3,4,5,6-tetradeuteriophthalic acid
XNGIFLGASWRNHJ-RHQRLBAQSA-N
[2H]C1=C(C(=C(C(=C1[2H])C(=O)O)C(=O)O)[2H])[2H]