436804-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 436804-74-9 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 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 436804-74:
(8*4)+(7*3)+(6*6)+(5*8)+(4*0)+(3*4)+(2*7)+(1*4)=159
159 % 10 = 9
So 436804-74-9 is a valid CAS Registry Number.