53939-85-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53939-85-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,9,3 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 53939-85:
(7*5)+(6*3)+(5*9)+(4*3)+(3*9)+(2*8)+(1*5)=158
158 % 10 = 8
So 53939-85-8 is a valid CAS Registry Number.