850542-78-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 850542-78-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,5,4 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 850542-78:
(8*8)+(7*5)+(6*0)+(5*5)+(4*4)+(3*2)+(2*7)+(1*8)=168
168 % 10 = 8
So 850542-78-8 is a valid CAS Registry Number.