872301-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872301-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,3,0 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 872301-56:
(8*8)+(7*7)+(6*2)+(5*3)+(4*0)+(3*1)+(2*5)+(1*6)=159
159 % 10 = 9
So 872301-56-9 is a valid CAS Registry Number.