Dithiophosphoric acid S-[2-(acetyloxy)ethyl]O,O-diethyl ester, also known as O,O-diethyl S-[2-(acetyloxy)ethyl] phosphorodithioate, is a chemical compound with the molecular formula C8H17O4PS2. It is a colorless to pale yellow liquid with a pungent odor. Dithiophosphoric acid S-[2-(acetyloxy)ethyl]O,O-diethyl ester is primarily used as an agricultural pesticide, specifically as a systemic fungicide, to protect crops from various fungal diseases. It is effective against a wide range of pathogens and is known for its ability to be absorbed by plant tissues, providing protection from within. The chemical is also used in the production of other pesticides and as an intermediate in the synthesis of various organophosphorus compounds. Due to its potential toxicity and environmental impact, it is important to handle this chemical with care and in accordance with safety regulations.
The CAS Registry Mumber 1741-21-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,4 and 1 respectively; the second part has 2 digits, 2 and 1 respectively. Calculate Digit Verification of CAS Registry Number 1741-21: (6*1)+(5*7)+(4*4)+(3*1)+(2*2)+(1*1)=65 65 % 10 = 5 So 1741-21-5 is a valid CAS Registry Number.