Diazepam-d8

• CAT Number: R065762
• CAS Number: 83056-50-2
• Molecular Formula: C16H5D8ClN2O
• Molecular Weight: 292.8
• Purity: ≥95%
• Synonyms: 7-chloro-1,3-dihydro-1-(methyl-d3)-5-(phenyl-d5)-2H-1,4-benzodiazepin-2-one
• Storage: -20°C
• IUPAC Name: 7-chloro-5-(2,3,4,5,6-pentadeuteriophenyl)-1-(trideuteriomethyl)-3H-1,4-benzodiazepin-2-one
• InChI: InChI=1S/C16H13ClN2O/c1-19-14-8-7-12(17)9-13(14)16(18-10-15(19)20)11-5-3-2-4-6-11/h2-9H,10H2,1H3/i1D3,2D,3D,4D,5D,6D
• InChIKey: AAOVKJBEBIDNHE-JGUCLWPXSA-N
• SMILES: [2H]C1=C(C(=C(C(=C1[2H])[2H])C2=NCC(=O)N(C3=C2C=C(C=C3)Cl)C([2H])([2H])[2H])[2H])[2H]

Diazepam-d8 is a deuterated form of diazepam, a benzodiazepine used primarily for its anxiolytic, anticonvulsant, and muscle relaxant properties. In this compound, eight hydrogen atoms are replaced with deuterium. It serves as an internal standard in mass spectrometry and NMR spectroscopy, enhancing the accuracy of quantification and structural analysis. In pharmaceutical chemistry, it supports studies on drug metabolism, pharmacokinetics, and pharmacodynamics. In organic chemistry, diazepam-d8 is used for reaction mechanism studies and isotope dilution analyses. Its deuterium labeling ensures high precision in analytical methods across various research applications.