73019-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73019-05-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,0,1 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 73019-05:
(7*7)+(6*3)+(5*0)+(4*1)+(3*9)+(2*0)+(1*5)=103
103 % 10 = 3
So 73019-05-3 is a valid CAS Registry Number.
InChI:InChI=1/C34H24N6O9S.H3N.Na/c35-30-27(50(47,48)49)16-25(28-29(30)32(43)23-4-2-1-3-22(23)31(28)42)36-17-5-7-18(8-6-17)37-34(46)38-19-9-11-20(12-10-19)39-40-21-13-14-26(41)24(15-21)33(44)45;;/h1-16,36,39H,35H2,(H,44,45)(H2,37,38,46)(H,47,48,49);1H3;/q;;+1/p-1/b40-21-;;