The Rosselkhoznadzor subordinate Federal state budgetary institution "the Russian state Center of quality and standardization medicines for animals and feed" (fgbi "VGNKI") examination of a sample of Irish medicinal product for veterinary use "Multimat DC" (MULTIMAST DRY COW) manufactured by Bimeda Chemicals Export (a number of the registration certificate 372-3-6.13-1380 No. PVI-3-1.1/00724). Our analysis reveals the lack of quality of the drug on indicators: the quantitative determination of benzylpenicillin procaine and quantitative determination of neomycin sulfate. In addition, it was found that labelling of the primary packaging does not meet the requirements of the Russian legislation, namely: lack of information in Russian about the name of the medicinal product, the batch number, expiry date, dosage or concentration, volume, incorrect manufacturer.