1397176-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1397176-66-7 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 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1397176-66:
(9*1)+(8*3)+(7*9)+(6*7)+(5*1)+(4*7)+(3*6)+(2*6)+(1*6)=207
207 % 10 = 7
So 1397176-66-7 is a valid CAS Registry Number.