636569-56-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 636569-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,6,5,6 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 636569-56:
(8*6)+(7*3)+(6*6)+(5*5)+(4*6)+(3*9)+(2*5)+(1*6)=197
197 % 10 = 7
So 636569-56-7 is a valid CAS Registry Number.