56580-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56580-12-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,8 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 56580-12:
(7*5)+(6*6)+(5*5)+(4*8)+(3*0)+(2*1)+(1*2)=132
132 % 10 = 2
So 56580-12-2 is a valid CAS Registry Number.