NMR Shift Reagents

NMR Shift Reagents — compiles lanthanide complexes such as europium and praseodymium complexes with fluorinated beta-diketonate ligands, as well as chiral reagents such as CASA-H and CASA-Na used to shift and separate NMR spectral signals. This category also includes samarium complexes that act as enantiomer-discriminating reagents.

These reagents are used by organic and analytical chemistry researchers to shift the resonance positions in 1H or 13C NMR spectra so that overlapping peaks can be separated and identified more clearly. Chiral reagents such as Chirabite-AR and CASA-H in particular are used to determine the enantiomeric purity and the diastereomer mixture ratio of a synthesized compound.

Product examples in this collection: TCI T1511 17978-77-7 Tris(6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedionato)praseodymium(III) [NMR Shift Reagent], TCI C2184 909254-56-4 Chirabite-AR, TCI T1265 15522-71-1 Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)europium(III) [NMR Shift Reagent], TCI C3580 1819341-33-7 (R,R)-CASA-H, TCI T1264 15492-48-5 Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)praseodymium(III) [NMR Shift Reagent], TCI C3581 (S,S)-CASA-H, TCI S0474 1478704-03-8 Sodium [(S)-1,2-Diaminopropane-N,N,N',N'-tetraacetato]samarate(III), TCI C3582 1819341-28-0 (R,R)-CASA-Na.

Choose the central metal (europium or praseodymium) according to the direction of the signal shift you want, and consider whether the reagent is chiral when the analysis aims to distinguish enantiomers. All products are genuine Tokyo Chemical Industry (TCI) Japan products, with purity, packaging, and storage conditions listed on each item's page.

Other related categories under NMR, often used together in a single laboratory workflow:

Back to NMR. For large-volume procurement, special packaging, or specific grades, contact the AMI Scientific team — official TCI Japan distributor in Indonesia — to check availability and lead time directly from Japan.

Related TCI catalogs (PDF)

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