o-Tolylglyoxylic-d7 Acid Methyl Ester is an intermediate in the synthesis of Trifloxystrobin-d6 (T778902). Trifloxystrobin-d6 is a labelled analogue of Trifloxystrobin, a broad-spectrum foliar fungicide used in plant protection. Trifloxystrobin functions by inhibiting fungal spore germination.