1383918-40-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1383918-40-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,3,9,1 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1383918-40:
(9*1)+(8*3)+(7*8)+(6*3)+(5*9)+(4*1)+(3*8)+(2*4)+(1*0)=188
188 % 10 = 8
So 1383918-40-8 is a valid CAS Registry Number.