1615730-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1615730-78-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,5,7,3 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1615730-78:
(9*1)+(8*6)+(7*1)+(6*5)+(5*7)+(4*3)+(3*0)+(2*7)+(1*8)=163
163 % 10 = 3
So 1615730-78-3 is a valid CAS Registry Number.