13621-20-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13621-20-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,6,2 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 13621-20:
(7*1)+(6*3)+(5*6)+(4*2)+(3*1)+(2*2)+(1*0)=70
70 % 10 = 0
So 13621-20-0 is a valid CAS Registry Number.