C8H6O4
170.15 g/mol
Research ReagentWarning
Phthalic Acid-d4
CAS87976-26-9
Category
Research Reagent
Compound Class
Organic Acid
Primary Use
Research Compound
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.
deuterated reference standardinternal standard for mass spectrometryanalytical research compound
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.
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Phthalic Acid-d4 (CAS 87976-26-9) is 2845.90.
HS code (international, 6-digit)
2845.90
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
3,4,5,6-tetradeuteriophthalic acid
InChIKey
XNGIFLGASWRNHJ-RHQRLBAQSA-N
SMILES
[2H]C1=C(C(=C(C(=C1[2H])C(=O)O)C(=O)O)[2H])[2H]
Synonyms (10)
- Phthalic Acid-d4
- Phthalic acid-phenyl-d4
- Phthalic-3,4,5,6-d4 acid
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