690962-43-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 690962-43-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,9,6 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 690962-43:
(8*6)+(7*9)+(6*0)+(5*9)+(4*6)+(3*2)+(2*4)+(1*3)=197
197 % 10 = 7
So 690962-43-7 is a valid CAS Registry Number.