65298-21-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65298-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,2,9 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65298-21:
(7*6)+(6*5)+(5*2)+(4*9)+(3*8)+(2*2)+(1*1)=147
147 % 10 = 7
So 65298-21-7 is a valid CAS Registry Number.