1242415-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1242415-74-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,4,1 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1242415-74:
(9*1)+(8*2)+(7*4)+(6*2)+(5*4)+(4*1)+(3*5)+(2*7)+(1*4)=122
122 % 10 = 2
So 1242415-74-2 is a valid CAS Registry Number.