156808-49-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156808-49-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,8,0 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 156808-49:
(8*1)+(7*5)+(6*6)+(5*8)+(4*0)+(3*8)+(2*4)+(1*9)=160
160 % 10 = 0
So 156808-49-0 is a valid CAS Registry Number.