851973-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 851973-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,9,7 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 851973-07:
(8*8)+(7*5)+(6*1)+(5*9)+(4*7)+(3*3)+(2*0)+(1*7)=194
194 % 10 = 4
So 851973-07-4 is a valid CAS Registry Number.