1029720-84-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1029720-84-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,9,7,2 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1029720-84:
(9*1)+(8*0)+(7*2)+(6*9)+(5*7)+(4*2)+(3*0)+(2*8)+(1*4)=140
140 % 10 = 0
So 1029720-84-0 is a valid CAS Registry Number.