87401-05-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87401-05-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,0 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87401-05:
(7*8)+(6*7)+(5*4)+(4*0)+(3*1)+(2*0)+(1*5)=126
126 % 10 = 6
So 87401-05-6 is a valid CAS Registry Number.