109539-58-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109539-58-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,3 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109539-58:
(8*1)+(7*0)+(6*9)+(5*5)+(4*3)+(3*9)+(2*5)+(1*8)=144
144 % 10 = 4
So 109539-58-4 is a valid CAS Registry Number.
InChI:InChI=1/C57H103N11O12/c1-19-36(10)22-23-44(70)68-31-37(11)30-42(68)50(75)62-39(27-32(2)3)48(73)64-45(46(71)35(8)9)51(76)66-56(15,16)53(78)63-40(28-33(4)5)47(72)61-41(29-34(6)7)49(74)65-57(17,18)54(79)67-55(13,14)52(77)59-25-24-43(69)60-38(12)21-20-26-80-58/h22-23,32-42,45-46,71H,19-21,24-31,58H2,1-18H3,(H,59,77)(H,60,69)(H,61,72)(H,62,75)(H,63,78)(H,64,73)(H,65,74)(H,66,76)(H,67,79)/b23-22+/t36-,37?,38?,39?,40?,41?,42?,45?,46?/m1/s1