1580440-22-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1580440-22-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,0,4,4 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1580440-22:
(9*1)+(8*5)+(7*8)+(6*0)+(5*4)+(4*4)+(3*0)+(2*2)+(1*2)=147
147 % 10 = 7
So 1580440-22-7 is a valid CAS Registry Number.