Liquid Nitrogen Fertilizers (CAS) – mineral fertilizer used for nourishing agricultural crops. It has a high nitrogen and microelement content, allowing plants to receive necessary nutrients during the intensive growth stage. The product is available in two variants: CAS-30 and CAS-32, enabling optimal concentration selection for specific crops. Liquid Nitrogen Fertilizers (CAS) are used for cereal grain crops, corn, and sunflowers. The microelement content, including copper, manganese, zinc, cobalt, nickel, and chromium, ensures comprehensive plant nutrition, promoting active growth and development. The preparation easily disperses in water, facilitating its application under agricultural conditions. The manufacturer of the preparation is the LLC "Ukrainian Agro-Chemical Company", located in Ukraine. The preparation was registered on January 21, 2013, under number 6943. Use of this fertilizer may contribute to improved grain quality, increased yield, and enhanced economic efficiency of agricultural production.