53402-15-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53402-15-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,4,0 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 53402-15:
(7*5)+(6*3)+(5*4)+(4*0)+(3*2)+(2*1)+(1*5)=86
86 % 10 = 6
So 53402-15-6 is a valid CAS Registry Number.