436808-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 436808-40-1 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 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 436808-40:
(8*4)+(7*3)+(6*6)+(5*8)+(4*0)+(3*8)+(2*4)+(1*0)=161
161 % 10 = 1
So 436808-40-1 is a valid CAS Registry Number.