425681-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 425681-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,5,6,8 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 425681-98:
(8*4)+(7*2)+(6*5)+(5*6)+(4*8)+(3*1)+(2*9)+(1*8)=167
167 % 10 = 7
So 425681-98-7 is a valid CAS Registry Number.