425667-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 425667-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,5,6,6 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 425667-80:
(8*4)+(7*2)+(6*5)+(5*6)+(4*6)+(3*7)+(2*8)+(1*0)=167
167 % 10 = 7
So 425667-80-7 is a valid CAS Registry Number.