690995-48-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 690995-48-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,9,9 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 690995-48:
(8*6)+(7*9)+(6*0)+(5*9)+(4*9)+(3*5)+(2*4)+(1*8)=223
223 % 10 = 3
So 690995-48-3 is a valid CAS Registry Number.