20739-00-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20739-00-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,3 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 20739-00:
(7*2)+(6*0)+(5*7)+(4*3)+(3*9)+(2*0)+(1*0)=88
88 % 10 = 8
So 20739-00-8 is a valid CAS Registry Number.