ACCESSION: MSBNK-Eawag-EQ325001
RECORD_TITLE: Microcystin-RR; LC-ESI-QFT; MS2; CE: 15; R=35000; [M+H]+
DATE: 2015.08.25
AUTHORS: Beck B, Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2015 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 3250
CH$NAME: Microcystin-RR
CH$NAME: (5R,8R,11R,12S,15S,18S,19S,22R)-8,15-bis[3-(diaminomethylideneamino)propyl]-18-[(1E,3E,5S,6S)-6-methoxy-3,5-dimethyl-7-phenylhepta-1,3-dienyl]-1,5,12,19-tetramethyl-2-methylidene-3,6,9,13,16,20,25-heptaoxo-1,4,7,10,14,17,21-heptazacyclopentacosane-11,22-dicarboxylic acid
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C49H75N13O12
CH$EXACT_MASS: 1037.56581
CH$SMILES: O=C2N[C@@H](\C=C\C(=C\[C@H](C)[C@@H](OC)Cc1ccccc1)C)[C@@H](C(=O)N[C@@H](C(=O)O)CCC(=O)N(/C(=C)C(=O)N[C@@H](C(=O)N[C@@H](C(=O)N[C@@H](C(=O)O)[C@@H](C(=O)N[C@H]2CCC/N=C(\N)N)C)CCC/N=C(\N)N)C)C)C
CH$IUPAC: InChI=1S/C49H75N13O12/c1-26(24-27(2)37(74-8)25-32-14-10-9-11-15-32)18-19-33-28(3)40(64)60-36(46(70)71)20-21-38(63)62(7)31(6)43(67)56-30(5)42(66)59-35(17-13-23-55-49(52)53)45(69)61-39(47(72)73)29(4)41(65)58-34(44(68)57-33)16-12-22-54-48(50)51/h9-11,14-15,18-19,24,27-30,33-37,39H,6,12-13,16-17,20-23,25H2,1-5,7-8H3,(H,56,67)(H,57,68)(H,58,65)(H,59,66)(H,60,64)(H,61,69)(H,70,71)(H,72,73)(H4,50,51,54)(H4,52,53,55)/b19-18+,26-24+/t27-,28-,29-,30+,33-,34-,35+,36+,37-,39+/m0/s1
CH$LINK: CAS
111755-37-4
CH$LINK: PUBCHEM
CID:23305170
CH$LINK: INCHIKEY
JIGDOBKZMULDHS-CJYJKAEFSA-N
CH$LINK: CHEMSPIDER
4942840
AC$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 15 (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$CHROMATOGRAPHY: RETENTION_TIME 9.1 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid
MS$FOCUSED_ION: BASE_PEAK 519.7909
MS$FOCUSED_ION: PRECURSOR_M/Z 1038.5731
MS$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$SPLASH: splash10-000i-9000000000-8889ff884979163f4a65
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
1020.5628 C49H74N13O11+ 1 1020.5625 0.28
1021.5599 C48H73N14O11+ 1 1021.5578 2.13
1038.5724 C49H76N13O12+ 1 1038.5731 -0.63
1040.5781 C48H76N14O12+ 1 1040.5762 1.86
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
1020.5628 367256.3 43
1021.5599 40042.7 4
1038.5724 8347277.8 999
1040.5781 27650.7 3
//
