42615-31-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42615-31-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,6,1 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 42615-31:
(7*4)+(6*2)+(5*6)+(4*1)+(3*5)+(2*3)+(1*1)=96
96 % 10 = 6
So 42615-31-6 is a valid CAS Registry Number.