104912-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104912-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,9,1 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104912-80:
(8*1)+(7*0)+(6*4)+(5*9)+(4*1)+(3*2)+(2*8)+(1*0)=103
103 % 10 = 3
So 104912-80-3 is a valid CAS Registry Number.
InChI:InChI=1/C4H6O2.C2H4/c1-3-6-4(2)5;1-2/h3H,1H2,2H3;1-2H2