436801-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 436801-05-7 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 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 436801-05:
(8*4)+(7*3)+(6*6)+(5*8)+(4*0)+(3*1)+(2*0)+(1*5)=137
137 % 10 = 7
So 436801-05-7 is a valid CAS Registry Number.