875239-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 875239-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,5,2,3 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 875239-57:
(8*8)+(7*7)+(6*5)+(5*2)+(4*3)+(3*9)+(2*5)+(1*7)=209
209 % 10 = 9
So 875239-57-9 is a valid CAS Registry Number.