1397179-42-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1397179-42-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,1,7 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1397179-42:
(9*1)+(8*3)+(7*9)+(6*7)+(5*1)+(4*7)+(3*9)+(2*4)+(1*2)=208
208 % 10 = 8
So 1397179-42-8 is a valid CAS Registry Number.