156136-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156136-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,1,3 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 156136-73:
(8*1)+(7*5)+(6*6)+(5*1)+(4*3)+(3*6)+(2*7)+(1*3)=131
131 % 10 = 1
So 156136-73-1 is a valid CAS Registry Number.