124170-21-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124170-21-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,1,7 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 124170-21:
(8*1)+(7*2)+(6*4)+(5*1)+(4*7)+(3*0)+(2*2)+(1*1)=84
84 % 10 = 4
So 124170-21-4 is a valid CAS Registry Number.