ACCESSION: MSBNK-MSSJ-MSJ02294
RECORD_TITLE: Avermectin B1a; LC-ESI-QTOF; MS2; ESI; POSITIVE; [M+NH4]+; CE 10 V
DATE: 2022.03.14
AUTHORS: Atsushi Yamamoto, Faculty of Environmental Studies, Tottori University of Environmental Studies, 1-1, Wakabadai-kita, Tottori City, Tottori 689-1111, Japan.
LICENSE: CC BY
COPYRIGHT: Atsushi Yamamoto, Faculty of Environmental Studies, Tottori University of Environmental Studies, 1-1, Wakabadai-kita, Tottori City, Tottori 689-1111, Japan.
COMMENT: This record was created by the financial support of MEXT/JSPS KAKENHI Grant Number 22HP8019 to the Mass Spectrometry Society of Japan.
CH$NAME: Avermectin B1a
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C48H72O14
CH$EXACT_MASS: 872.49221
CH$SMILES: CC[C@H](C)[C@H]1O[C@]2(C=C[C@@H]1C)C[C@@H]1C[C@@H](C/C=C(\C)[C@@H](O[C@H]3C[C@H](OC)[C@@H](O[C@H]4C[C@H](OC)[C@@H](O)[C@H](C)O4)[C@H](C)O3)[C@@H](C)/C=C/C=C3\CO[C@@H]4[C@H](O)C(C)=C[C@@H](C(=O)O1)[C@]34O)O2
CH$IUPAC: InChI=1S/C48H72O14/c1-11-25(2)43-28(5)17-18-47(62-43)23-34-20-33(61-47)16-15-27(4)42(26(3)13-12-14-32-24-55-45-40(49)29(6)19-35(46(51)58-34)48(32,45)52)59-39-22-37(54-10)44(31(8)57-39)60-38-21-36(53-9)41(50)30(7)56-38/h12-15,17-19,25-26,28,30-31,33-45,49-50,52H,11,16,20-24H2,1-10H3/b13-12+,27-15+,32-14+/t25-,26-,28-,30-,31-,33+,34-,35-,36-,37-,38-,39-,40+,41-,42-,43+,44-,45+,47+,48+/m0/s1
CH$LINK: CAS
65195-55-3
CH$LINK: CHEMSPIDER
10286553
CH$LINK: INCHIKEY
RRZXIRBKKLTSOM-XPNPUAGNSA-N
CH$LINK: PUBCHEM
CID: 6434889
AC$INSTRUMENT: ExionLC AD, AB Sciex LLC, USA; X500R QTOF, AB Sciex LLC, USA.
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 V
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME AQ-C18HP 3 microm, 2.1 mm × 150 mm, GL Science (Tokyo Japan)
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 C
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 95/5 at 3 min, 0/100 at 13 min, 0/100 at 23 min, 95/5 at 23.1 min, 95/5 at 28 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 microl/min
AC$CHROMATOGRAPHY: RETENTION_TIME 16.2 min
AC$CHROMATOGRAPHY: SOLVENT A water with 2 mM Ammonium bicarbonate
AC$CHROMATOGRAPHY: SOLVENT B methanol with 2 mM Ammmonium bicarbonate
MS$FOCUSED_ION: PRECURSOR_M/Z 890.52603
MS$FOCUSED_ION: PRECURSOR_TYPE [M+NH4]+
PK$SPLASH: splash10-0006-0000010090-ba577690207864e4beef
PK$ANNOTATION: m/z rel.int. formula exact_mass error(ppm) SMILES_of_ion HR_rules
567.3303 169 [C34H48O7-H]+ 567.331653 0.001(2.39) O=C1OC2CC(OC3(OC(C(C=C3)C)C(C)CC)C2)CC=C(C)CC(C=CC=C4COC5C(O)C(=CC1C45O)C)C True
711.4101 75 [C41H60O10-H]+ 711.410267 0(0.23) O=C1OC2CC(OC3(OC(C(C=C3)C)C(C)CC)C2)CC=C(C)C(OC4OC(C)CC(OC)C4)C(C=CC=C5COC6C(O)C(=CC1C56O)C)C True
890.52 999 [C48H72O14+NH4]+ 890.525464 0.005(6.14) O=C1OC2CC(OC3(OC(C(C=C3)C)C(C)CC)C2)CC=C(C)C(OC4OC(C)C(OC5OC(C)C(O)C(OC)C5)C(OC)C4)C(C=CC=C6COC7C(O)C(=CC1C67O)C)C True
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
567.3303 16.9316 169
711.4101 7.4945 75
890.52 100 999
//
