1397193-30-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1397193-30-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,1,9 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1397193-30:
(9*1)+(8*3)+(7*9)+(6*7)+(5*1)+(4*9)+(3*3)+(2*3)+(1*0)=194
194 % 10 = 4
So 1397193-30-4 is a valid CAS Registry Number.