3898-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3898-61-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,8,9 and 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3898-61:
(6*3)+(5*8)+(4*9)+(3*8)+(2*6)+(1*1)=131
131 % 10 = 1
So 3898-61-1 is a valid CAS Registry Number.