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Application Area
Environmental
Environmental

Stable isotope-labeled compounds are used as environmental pollutant standards for the detection of air, water, soil, sediment and food.

Clinical diagnostic
Clinical diagnostic

In addition to treating various diseases, isotopes are used for imaging, diagnosis, and newborn screening.

Organic Chemistry
Organic Chemistry

Small molecule compounds labeled with stable isotopes can be used as chemical reference for chemical identification, qualitative, quantitative, detection, etc. Various types of NMR solvents can be used to study the structure, reaction mechanism and reaction kinetics of compounds.

Metabolic Research
Metabolic Research

Stable isotope labeling allows researchers to study metabolic pathways in vivo in a safe manner.

Leflunomide-[d4]

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General Information
Catalog: BLP-012405
CAS: 1189987-23-2
Molecular Formula: C12H5D4F3N2O2
Molecular Weight: 274.23
Chemical Structure
Leflunomide-[d4]
Description Leflunomide-[d4] is an isotope form of Leflunomide. Leflunomide inhibits the reproduction of rapidly dividing cells by inhbiting the mitochondrial enzyme dihydroorotate dehydrogenase (DHODH).
Synonyms Leflunomide-d4; 5-Methylisoxazole-4-[4-trifluoromethylcarboxanilide]-d4; Leflunomida-d4; 5-Methyl-N-[4-(trifluoromethyl)phenyl]-4-isoxazolecarboxamide-d4; Leflunomidum-d4
IUPAC Name 5-methyl-N-[2,3,5,6-tetradeuterio-4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide
Related CAS 75706-12-6 (unlabelled)
Canonical SMILES CC1=C(C=NO1)C(=O)NC2=CC=C(C=C2)C(F)(F)F
InChI InChI=1S/C12H9F3N2O2/c1-7-10(6-16-19-7)11(18)17-9-4-2-8(3-5-9)12(13,14)15/h2-6H,1H3,(H,17,18)/i2D,3D,4D,5D
InChI Key VHOGYURTWQBHIL-QFFDRWTDSA-N
Boiling Point 289.3±40.0 °C at 760 mmHg
Melting Point 161-163°C
Purity 95% by HPLC; 95% atom D
Density 1.4±0.1 g/cm3
Solubility Soluble in Chloroform, Methanol
Appearance White to Off White Solid
Storage Store at -20°C
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