2-Butenoic acid, 1,2-ethanediyl ester, also known as diethyl succinate, is an organic compound with the chemical formula C6H10O4. It is a colorless liquid that is soluble in water and has a slight, pleasant odor. This ester is formed by the reaction of 2-butenoic acid with ethanol and is widely used as a solvent, plasticizer, and intermediate in the synthesis of various chemicals, including pharmaceuticals and perfumes. Diethyl succinate is also employed in the production of certain types of resins and coatings. It is important to note that, like many organic compounds, it should be handled with care due to its potential irritant properties.
The CAS Registry Mumber 3202-69-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,0 and 2 respectively; the second part has 2 digits, 6 and 9 respectively. Calculate Digit Verification of CAS Registry Number 3202-69: (6*3)+(5*2)+(4*0)+(3*2)+(2*6)+(1*9)=55 55 % 10 = 5 So 3202-69-5 is a valid CAS Registry Number.