Here’s some USG material about entities associated with Russia’s chemical and biological weapons programs.:

RADIOLOGICAL, CHEMICAL, AND BIOLOGICAL DEFENSE TROOPS OF THE MINISTRY OF DEFENSE OF THE RUSSIAN FEDERATION (RCB DEFENSE TROOPS) is a specialized Russian military unit responsible for identification of and decontamination from radioactive, chemical and biological hazards. The RCB DEFENSE TROOPS have been involved in the day-to-day operations of Russia’s chemical weapons program and also have facilitated the use of the chemical weapon chloropicrin by Russian armed forces against Ukrainian troops.

SCIENTIFIC RESEARCH INSTITUTE OF APPLIED ACOUSTICS (FGUP NIIPA) is a Russian government scientific research institute that carries out research and development of military products and develops methods for the export of dual-use goods and technologies. FGUP NIIPA has been involved in the procurement and inventory of chemicals that could be used in the production of chemical weapons agents.

FEDERAL STATE BUDGETARY INSTITUTION 48TH CENTRAL SCIENTIFIC AND RESEARCH INSTITUTE OF THE MINISTRY OF DEFENSE OF THE RUSSIAN FEDERATION (48TH TSNII) is the leading Russian Ministry of Defense scientific research institute responsible for Russian military protection against infectious diseases and biological threats. 48th TSNII and its facilities are associated with the Russian biological weapons program.