1242240-92-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1242240-92-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,2,4 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1242240-92:
(9*1)+(8*2)+(7*4)+(6*2)+(5*2)+(4*4)+(3*0)+(2*9)+(1*2)=111
111 % 10 = 1
So 1242240-92-1 is a valid CAS Registry Number.