1-ETHENYL-3-ETHYLIDENE-2-PYRROLIDONE, also known as E- or 1-vinyl-3-ethylidene-2-pyrrolidinone, is a chemical compound with the molecular formula C8H13NO. It is a reactive compound that is used in various industrial applications, including as a monomer in the production of specialty polymers and copolymers. E- is also used as a coupling agent, a reactive diluent, and in the manufacturing of resins, plastics, and adhesives. It is a clear, colorless liquid with a mild odor and is highly flammable. While it has many industrial uses, E- is also known to be an irritant to the skin, eyes, and respiratory system, and should be handled with care.
Check Digit Verification of cas no
The CAS Registry Mumber 153954-47-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,9,5 and 4 respectively; the second part has 2 digits, 4 and 7 respectively. Calculate Digit Verification of CAS Registry Number 153954-47: (8*1)+(7*5)+(6*3)+(5*9)+(4*5)+(3*4)+(2*4)+(1*7)=153 153 % 10 = 3 So 153954-47-3 is a valid CAS Registry Number.