42898-23-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42898-23-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,8,9 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42898-23:
(7*4)+(6*2)+(5*8)+(4*9)+(3*8)+(2*2)+(1*3)=147
147 % 10 = 7
So 42898-23-7 is a valid CAS Registry Number.