900515-82-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900515-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,5,1 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 900515-82:
(8*9)+(7*0)+(6*0)+(5*5)+(4*1)+(3*5)+(2*8)+(1*2)=134
134 % 10 = 4
So 900515-82-4 is a valid CAS Registry Number.