20369-55-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20369-55-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,6 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 20369-55:
(7*2)+(6*0)+(5*3)+(4*6)+(3*9)+(2*5)+(1*5)=95
95 % 10 = 5
So 20369-55-5 is a valid CAS Registry Number.