Diethyl methylsulfonylmethylphosphonate
CAS 40137-11-9, Cat. No EN300-321453
Reagent for the synthesis of vinyl sulfones


Diethylaminodifluorosulfinium tetrafluoroborate
CAS 63517-29-3, Cat. No EN300-393165
Deoxofluorinating reagent and activating agent of some organic groups


Difluoro(trimethylsilyl)acetonitrile
CAS 1384170-26-6, Cat. No EN300-217202
Cyanodifluoromethylating reagent


Difluoro(isothiocyanato)methyl trimethylsilane
CAS 3066192-76-2, Cat. No EN300-52512481
Reagent for heterocyclization and source of difluorocarbene


CAS 693-13-0, Cat. No EN300-21624
The coupling reagent used for the preparation of amides, peptides, ureas, heterocycles, and unsymmetrical carbodiimides


Dimethyl 1,2,4,5-tetrazine-3,6-dicarboxylate
CAS 2166-14-5, Cat. No EN300-211397
Versatile building block in Retro-Diels-Alder reactions


CAS 7321-55-3, Cat. No EN300-749626
Reagent for cyanation of Grignard reagents and aryllithium reagents


Dimethyl P-(1-diazo-2-oxopropyl)phosphonate
CAS 90965-06-3, Cat. No EN300-133907
Reagent for Seyferth–Gilbert homologation


Diphenyl phosphorazidate (DPPA)
CAS 26386-88-9, Cat. No EN300-55951
Reagent for stereospecific conversion of alcohols to azides, Curtius rearrangement

