436809-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 436809-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,6,8,0 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 436809-72:
(8*4)+(7*3)+(6*6)+(5*8)+(4*0)+(3*9)+(2*7)+(1*2)=172
172 % 10 = 2
So 436809-72-2 is a valid CAS Registry Number.