197245-39-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197245-39-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,2,4 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 197245-39:
(8*1)+(7*9)+(6*7)+(5*2)+(4*4)+(3*5)+(2*3)+(1*9)=169
169 % 10 = 9
So 197245-39-9 is a valid CAS Registry Number.