123197-47-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123197-47-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,1,9 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 123197-47:
(8*1)+(7*2)+(6*3)+(5*1)+(4*9)+(3*7)+(2*4)+(1*7)=117
117 % 10 = 7
So 123197-47-7 is a valid CAS Registry Number.