875239-31-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 875239-31-9 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, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 875239-31:
(8*8)+(7*7)+(6*5)+(5*2)+(4*3)+(3*9)+(2*3)+(1*1)=199
199 % 10 = 9
So 875239-31-9 is a valid CAS Registry Number.