675833-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 675833-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,5,8,3 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 675833-91:
(8*6)+(7*7)+(6*5)+(5*8)+(4*3)+(3*3)+(2*9)+(1*1)=207
207 % 10 = 7
So 675833-91-7 is a valid CAS Registry Number.