Aminopterin(54-62-6) MS
Molecular FormulaC19H20N8O5
Molecular Weight440.41
InChIInChI=1S/C19H20N8O5/c20-15-14-16(27-19(21)26-15)23-8-11(24-14)7-22-10-3-1-9(2-4-10)17(30)25-12(18(31)32)5-6-13(28)29/h1-4,8,12,22H,5-7H2,(H,25,30)(H,28,29)(H,31,32)(H4,20,21,23,26,27)/t12-/m0/s1
InChIKey TVZGACDUOSZQKY-LBPRGKRZSA-N
SmilesC(O)(=O)[C@H](CCC(O)=O)NC(=O)C1=CC=C(NCC2C=NC3C(N=2)=C(N)N=C(N)N=3)C=C1
-

Mass
MS2003-01554WA
N-(4-((2,4-diamino-6-pteridinylmethyl)amino)benzoyl)-L-glutamic acid
C19H20N8O5 2H2O (Mass of molecular ion: 440)
Source Temperature: 250 °C
Sample Temperature: 305 °C
Direct, 70 eV
17.0 2.5
18.0 8.1
26.0 1.7
27.0 3.9
28.0 17.1
29.0 1.6
30.0 1.4
38.0 1.8
39.0 6.1
40.0 1.5
41.0 17.7
42.0 2.2
43.0 3.5
44.0 15.0
45.0 3.5
51.0 1.1
52.0 2.4
53.0 1.5
54.0 3.1
54.5 1.1
55.0 2.6
56.0 11.6
62.0 1.1
63.0 2.5
64.0 1.7
65.0 9.3
66.0 5.0
67.0 1.0
68.0 1.6
73.0 1.4
80.0 1.2
84.0 100.0
85.0 5.1
91.0 1.4
92.0 11.4
93.0 8.4
106.0 1.1
107.0 1.3
108.0 1.8
120.0 33.8
121.0 3.5
129.0 3.2
133.0 1.2
134.0 3.4
135.0 3.0
136.0 1.2
137.0 29.7
138.0 2.6
148.0 1.6
149.0 1.3
175.0 5.7
176.0 21.9
177.0 2.8