423180-65-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 423180-65-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,3,1,8 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 423180-65:
(8*4)+(7*2)+(6*3)+(5*1)+(4*8)+(3*0)+(2*6)+(1*5)=118
118 % 10 = 8
So 423180-65-8 is a valid CAS Registry Number.