1612172-49-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1612172-49-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,2,1,7 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1612172-49:
(9*1)+(8*6)+(7*1)+(6*2)+(5*1)+(4*7)+(3*2)+(2*4)+(1*9)=132
132 % 10 = 2
So 1612172-49-2 is a valid CAS Registry Number.