87053-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87053-90-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,0,5 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87053-90:
(7*8)+(6*7)+(5*0)+(4*5)+(3*3)+(2*9)+(1*0)=145
145 % 10 = 5
So 87053-90-5 is a valid CAS Registry Number.