1613625-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1613625-25-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,6,2 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1613625-25:
(9*1)+(8*6)+(7*1)+(6*3)+(5*6)+(4*2)+(3*5)+(2*2)+(1*5)=144
144 % 10 = 4
So 1613625-25-4 is a valid CAS Registry Number.