56920-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56920-33-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,2 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 56920-33:
(7*5)+(6*6)+(5*9)+(4*2)+(3*0)+(2*3)+(1*3)=133
133 % 10 = 3
So 56920-33-3 is a valid CAS Registry Number.