(3aS*,4S*,7S*,7aS*)-3a-ethoxycarbonyl-7a-phenyl-2,3,3a,4,7,7a-hexahydro-4,7(ethano)-indole-2,3-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 128250-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,5 and 0 respectively; the second part has 2 digits, 6 and 5 respectively. Calculate Digit Verification of CAS Registry Number 128250-65: (8*1)+(7*2)+(6*8)+(5*2)+(4*5)+(3*0)+(2*6)+(1*5)=117 117 % 10 = 7 So 128250-65-7 is a valid CAS Registry Number.