63281-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63281-98-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,2,8 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 63281-98:
(7*6)+(6*3)+(5*2)+(4*8)+(3*1)+(2*9)+(1*8)=131
131 % 10 = 1
So 63281-98-1 is a valid CAS Registry Number.