213774-14-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213774-14-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,7,7 and 4 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 213774-14:
(8*2)+(7*1)+(6*3)+(5*7)+(4*7)+(3*4)+(2*1)+(1*4)=122
122 % 10 = 2
So 213774-14-2 is a valid CAS Registry Number.