1171863-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1171863-21-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,1,8,6 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1171863-21:
(9*1)+(8*1)+(7*7)+(6*1)+(5*8)+(4*6)+(3*3)+(2*2)+(1*1)=150
150 % 10 = 0
So 1171863-21-0 is a valid CAS Registry Number.