854300-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854300-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,3,0 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 854300-83:
(8*8)+(7*5)+(6*4)+(5*3)+(4*0)+(3*0)+(2*8)+(1*3)=157
157 % 10 = 7
So 854300-83-7 is a valid CAS Registry Number.