857950-43-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857950-43-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,9,5 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 857950-43:
(8*8)+(7*5)+(6*7)+(5*9)+(4*5)+(3*0)+(2*4)+(1*3)=217
217 % 10 = 7
So 857950-43-7 is a valid CAS Registry Number.