C5H8O
88.14 g/mol
Research ReagentDanger
Cyclopentanone-2,2,5,5-d4
CAS3997-89-5
Category
Research Reagent
Compound Class
Other
Primary Use
Research Compound
Cyclopentanone-2,2,5,5-d4 is a deuterated form of cyclopentanone used as a reference standard in nuclear magnetic resonance (NMR) spectroscopy. Its isotopic labeling at specific positions enables precise calibration and quantification in analytical chemistry.
NMR reference standardDeuterated internal standard for spectroscopy
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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Related Compounds
StrongStructure SimilarSimilarity 0.92
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Safety Reference
Danger
H226Flammable liquid and vapour
H315Causes skin irritation
H318Causes serious eye damage
Customs Tariff Classification
The international HS code for Cyclopentanone-2,2,5,5-d4 (CAS 3997-89-5) 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
2,2,5,5-tetradeuteriocyclopentan-1-one
InChIKey
BGTOWKSIORTVQH-KHORGVISSA-N
SMILES
[2H]C1(CCC(C1=O)([2H])[2H])[2H]
Synonyms (4)
- Cyclopentanone-2,2,5,5-d4
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