3698-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3698-65-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,9 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3698-65:
(6*3)+(5*6)+(4*9)+(3*8)+(2*6)+(1*5)=125
125 % 10 = 5
So 3698-65-5 is a valid CAS Registry Number.