1242258-31-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1242258-31-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,2,5 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1242258-31:
(9*1)+(8*2)+(7*4)+(6*2)+(5*2)+(4*5)+(3*8)+(2*3)+(1*1)=126
126 % 10 = 6
So 1242258-31-6 is a valid CAS Registry Number.