218434-95-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 218434-95-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,4,3 and 4 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 218434-95:
(8*2)+(7*1)+(6*8)+(5*4)+(4*3)+(3*4)+(2*9)+(1*5)=138
138 % 10 = 8
So 218434-95-8 is a valid CAS Registry Number.