1021239-38-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1021239-38-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,2,3 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1021239-38:
(9*1)+(8*0)+(7*2)+(6*1)+(5*2)+(4*3)+(3*9)+(2*3)+(1*8)=92
92 % 10 = 2
So 1021239-38-2 is a valid CAS Registry Number.