769171-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 769171-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,9,1,7 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 769171-83:
(8*7)+(7*6)+(6*9)+(5*1)+(4*7)+(3*1)+(2*8)+(1*3)=207
207 % 10 = 7
So 769171-83-7 is a valid CAS Registry Number.