210774-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210774-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,7,7 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 210774-80:
(8*2)+(7*1)+(6*0)+(5*7)+(4*7)+(3*4)+(2*8)+(1*0)=114
114 % 10 = 4
So 210774-80-4 is a valid CAS Registry Number.