1603833-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1603833-97-1 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 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1603833-97:
(9*1)+(8*6)+(7*0)+(6*3)+(5*8)+(4*3)+(3*3)+(2*9)+(1*7)=161
161 % 10 = 1
So 1603833-97-1 is a valid CAS Registry Number.