615263-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 615263-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,5,2,6 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 615263-91:
(8*6)+(7*1)+(6*5)+(5*2)+(4*6)+(3*3)+(2*9)+(1*1)=147
147 % 10 = 7
So 615263-91-7 is a valid CAS Registry Number.