155969-73-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155969-73-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,9,6 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 155969-73:
(8*1)+(7*5)+(6*5)+(5*9)+(4*6)+(3*9)+(2*7)+(1*3)=186
186 % 10 = 6
So 155969-73-6 is a valid CAS Registry Number.