872863-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872863-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,8,6 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 872863-05:
(8*8)+(7*7)+(6*2)+(5*8)+(4*6)+(3*3)+(2*0)+(1*5)=203
203 % 10 = 3
So 872863-05-3 is a valid CAS Registry Number.