957499-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 957499-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,7,4,9 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 957499-42:
(8*9)+(7*5)+(6*7)+(5*4)+(4*9)+(3*9)+(2*4)+(1*2)=242
242 % 10 = 2
So 957499-42-2 is a valid CAS Registry Number.