156842-95-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156842-95-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,8,4 and 2 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 156842-95:
(8*1)+(7*5)+(6*6)+(5*8)+(4*4)+(3*2)+(2*9)+(1*5)=164
164 % 10 = 4
So 156842-95-4 is a valid CAS Registry Number.