64491-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64491-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,4,9 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 64491-74:
(7*6)+(6*4)+(5*4)+(4*9)+(3*1)+(2*7)+(1*4)=143
143 % 10 = 3
So 64491-74-3 is a valid CAS Registry Number.
InChI:InChI=1/C12H14N4O4S2.C5H5Cl3N2OS/c1-19-11(17)15-9(21)13-7-5-3-4-6-8(7)14-10(22)16-12(18)20-2;1-2-11-4-9-3(10-12-4)5(6,7)8/h3-6H,1-2H3,(H2,13,15,17,21)(H2,14,16,18,22);2H2,1H3