1603818-35-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1603818-35-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,3,8,1 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1603818-35:
(9*1)+(8*6)+(7*0)+(6*3)+(5*8)+(4*1)+(3*8)+(2*3)+(1*5)=154
154 % 10 = 4
So 1603818-35-4 is a valid CAS Registry Number.