899538-54-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 899538-54-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,9,5,3 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 899538-54:
(8*8)+(7*9)+(6*9)+(5*5)+(4*3)+(3*8)+(2*5)+(1*4)=256
256 % 10 = 6
So 899538-54-6 is a valid CAS Registry Number.