157069-66-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157069-66-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,0,6 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 157069-66:
(8*1)+(7*5)+(6*7)+(5*0)+(4*6)+(3*9)+(2*6)+(1*6)=154
154 % 10 = 4
So 157069-66-4 is a valid CAS Registry Number.