163436-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163436-97-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,4,3 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 163436-97:
(8*1)+(7*6)+(6*3)+(5*4)+(4*3)+(3*6)+(2*9)+(1*7)=143
143 % 10 = 3
So 163436-97-3 is a valid CAS Registry Number.