MassBank Record: EQ310405



 1,3-Dimethylpteridine-2,4-dione; LC-ESI-QFT; MS2; CE: 75; R=35000; [M+H]+ 
Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk) \n

ACCESSION: EQ310405
RECORD_TITLE: 1,3-Dimethylpteridine-2,4-dione; LC-ESI-QFT; MS2; CE: 75; R=35000; [M+H]+
DATE: 2015.08.25
AUTHORS: Beck BDepartment of Environmental Chemistry, Eawag, Stravs MDepartment of Environmental Chemistry, Eawag, Schymanski EDepartment of Environmental Chemistry, Eawag, Singer HDepartment of Environmental Chemistry, Eawag, Department of Environmental Chemistry, Eawag
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2015 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 3104

CH$NAME: 1,3-Dimethylpteridine-2,4-dione CH$NAME: 1,3-Dimethyllumazine CH$COMPOUND_CLASS: N/A; Environmental Standard CH$FORMULA: C8H8N4O2 CH$EXACT_MASS: 192.06473 CH$SMILES: O=C2c1nccnc1N(C(=O)N2C)C CH$IUPAC: InChI=1S/C8H8N4O2/c1-11-6-5(9-3-4-10-6)7(13)12(2)8(11)14/h3-4H,1-2H3 CH$LINK: CAS 13401-18-8 CH$LINK: PUBCHEM CID:343616 CH$LINK: INCHIKEY LMXZVISHHDYBFW-UHFFFAOYSA-N CH$LINK: CHEMSPIDER 304618
AC$INSTRUMENT: Q Exactive Orbitrap Thermo Scientific AC$INSTRUMENT_TYPE: LC-ESI-QFT AC$MASS_SPECTROMETRY: MS_TYPE MS2 AC$MASS_SPECTROMETRY: ION_MODE POSITIVE AC$MASS_SPECTROMETRY: IONIZATION ESI AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD AC$MASS_SPECTROMETRY: COLLISION_ENERGY 75 (nominal) AC$MASS_SPECTROMETRY: RESOLUTION 35000 AC$CHROMATOGRAPHY: COLUMN_NAME XBridge C18 3.5um, 2.1x50mm, Waters AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 50/50 at 4 min, 5/95 at 17 min, 5/95 at 25 min, 90/10 at 25.1 min, 90/10 at 30 min AC$CHROMATOGRAPHY: FLOW_RATE 200 ul/min AC$CHROMATOGRAPHY: RETENTION_TIME 3.6 min AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid
MS$FOCUSED_ION: BASE_PEAK 193.072 MS$FOCUSED_ION: PRECURSOR_M/Z 193.072 MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+ MS$DATA_PROCESSING: DEPROFILE Spline MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1 MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included MS$DATA_PROCESSING: WHOLE RMassBank 1.9.6
PK$SPLASH: splash10-0536-2900000000-0d5a0d558beaf6100060 PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm) 52.0183 C3H2N+ 1 52.0182 1.43 54.0339 C3H4N+ 1 54.0338 0.64 56.0495 C3H6N+ 1 56.0495 1.15 58.0288 C2H4NO+ 1 58.0287 1.03 66.0338 C4H4N+ 1 66.0338 0.22 67.029 C3H3N2+ 1 67.0291 -0.81 68.0131 C3H2NO+ 1 68.0131 -0.44 68.0369 C3H4N2+ 1 68.0369 -0.58 68.0495 C4H6N+ 1 68.0495 0.21 69.0447 C3H5N2+ 1 69.0447 0.22 78.0339 C5H4N+ 1 78.0338 0.57 79.029 C4H3N2+ 1 79.0291 -0.82 80.0369 C4H4N2+ 1 80.0369 0.13 81.0447 C4H5N2+ 1 81.0447 -0.06 82.04 C3H4N3+ 1 82.04 -0.04 82.0525 C4H6N2+ 1 82.0525 -0.6 93.0447 C5H5N2+ 1 93.0447 -0.37 94.0399 C4H4N3+ 1 94.04 -1.31 95.024 C4H3N2O+ 1 95.024 -0.31 95.0603 C5H7N2+ 1 95.0604 -0.26 96.0556 C4H6N3+ 1 96.0556 -0.56 97.0396 C4H5N2O+ 1 97.0396 -0.09 105.0447 C6H5N2+ 1 105.0447 0.24 106.04 C5H4N3+ 1 106.04 -0.22 107.0478 C5H5N3+ 1 107.0478 0.29 108.0556 C5H6N3+ 1 108.0556 -0.13 109.0396 C5H5N2O+ 1 109.0396 -0.63 110.0349 C4H4N3O+ 1 110.0349 0.29 110.0711 C5H8N3+ 1 110.0713 -1.21 111.0553 C5H7N2O+ 1 111.0553 -0.17 118.0399 C6H4N3+ 1 118.04 -0.62 119.0475 C6H5N3+ 1 119.0478 -2.59 120.0192 C5H2N3O+ 1 120.0192 -0.15 120.0556 C6H6N3+ 1 120.0556 -0.28 121.0507 C5H5N4+ 1 121.0509 -1.51 121.0633 C6H7N3+ 1 121.0634 -0.98 122.0712 C6H8N3+ 1 122.0713 -0.6 123.0552 C6H7N2O+ 1 123.0553 -0.97 126.0662 C5H8N3O+ 1 126.0662 0.25 127.05 C5H7N2O2+ 1 127.0502 -1.68 132.0557 C7H6N3+ 1 132.0556 0.2 133.0508 C6H5N4+ 1 133.0509 -0.24 134.0587 C6H6N4+ 1 134.0587 -0.21 136.0505 C6H6N3O+ 1 136.0505 -0.06 138.0663 C6H8N3O+ 1 138.0662 0.52 147.0667 C7H7N4+ 1 147.0665 1.41 148.0743 C7H8N4+ 1 148.0743 -0.32 149.0822 C7H9N4+ 1 149.0822 0.18 150.0662 C7H8N3O+ 1 150.0662 0.28 151.0616 C6H7N4O+ 1 151.0614 1.41 152.0454 C6H6N3O2+ 1 152.0455 -0.41 161.0458 C7H5N4O+ 1 161.0458 0.2 165.0533 C7H7N3O2+ 1 165.0533 0.38 179.0563 C7H7N4O2+ 1 179.0564 -0.35 193.072 C8H9N4O2+ 1 193.072 -0.11 PK$NUM_PEAK: 55 PK$PEAK: m/z int. rel.int. 52.0183 675588.2 4 54.0339 1043706.8 7 56.0495 326417.3 2 58.0288 246955.3 1 66.0338 4133170.7 29 67.029 1471300.5 10 68.0131 531957.3 3 68.0369 759379.2 5 68.0495 1191100.8 8 69.0447 857228.7 6 78.0339 171342.5 1 79.029 1257589.2 9 80.0369 828550.9 5 81.0447 70279950.9 503 82.04 804896.5 5 82.0525 1247322.9 8 93.0447 33233486.2 238 94.0399 610143 4 95.024 635971.3 4 95.0603 12289681.6 88 96.0556 237275 1 97.0396 25926269.2 185 105.0447 1698298.9 12 106.04 3265491.4 23 107.0478 2075317.8 14 108.0556 122345447.3 877 109.0396 334985.3 2 110.0349 2744710.6 19 110.0711 785886.3 5 111.0553 6382040.4 45 118.0399 236981.6 1 119.0475 172933.3 1 120.0192 2387985.7 17 120.0556 39466286.4 282 121.0507 947983.1 6 121.0633 2698794.8 19 122.0712 36681039.5 263 123.0552 320122.9 2 126.0662 1008033.4 7 127.05 328278.2 2 132.0557 15351197.9 110 133.0508 14304076.4 102 134.0587 17517145.7 125 136.0505 14740908.3 105 138.0663 404321.8 2 147.0667 1296045.4 9 148.0743 2449891.7 17 149.0822 37565075.3 269 150.0662 1176171.7 8 151.0616 233739.2 1 152.0454 332295.1 2 161.0458 764312.3 5 165.0533 1842396 13 179.0563 5125900.5 36 193.072 139322657.4 999 //