1421848-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421848-84-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,8,4 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1421848-84:
(9*1)+(8*4)+(7*2)+(6*1)+(5*8)+(4*4)+(3*8)+(2*8)+(1*4)=161
161 % 10 = 1
So 1421848-84-1 is a valid CAS Registry Number.