871917-43-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871917-43-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,9,1 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 871917-43:
(8*8)+(7*7)+(6*1)+(5*9)+(4*1)+(3*7)+(2*4)+(1*3)=200
200 % 10 = 0
So 871917-43-0 is a valid CAS Registry Number.