1603830-64-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1603830-64-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,3,8,3 and 0 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1603830-64:
(9*1)+(8*6)+(7*0)+(6*3)+(5*8)+(4*3)+(3*0)+(2*6)+(1*4)=143
143 % 10 = 3
So 1603830-64-3 is a valid CAS Registry Number.