4,6,8-triphenyl-(4ac,7ac)-4,4a,7a,8-tetrahydro-4r,8c-episulfano-[1,2,5]oxadiazolo[3,4-f]isoindole-5,7-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 65167-45-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,1,6 and 7 respectively; the second part has 2 digits, 4 and 5 respectively. Calculate Digit Verification of CAS Registry Number 65167-45: (7*6)+(6*5)+(5*1)+(4*6)+(3*7)+(2*4)+(1*5)=135 135 % 10 = 5 So 65167-45-5 is a valid CAS Registry Number.