1377319-66-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1377319-66-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,7,3,1 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1377319-66:
(9*1)+(8*3)+(7*7)+(6*7)+(5*3)+(4*1)+(3*9)+(2*6)+(1*6)=188
188 % 10 = 8
So 1377319-66-8 is a valid CAS Registry Number.