M/Z: 188.9998


Hit 3 annotations:  2-Chloro-5-methyl-cis-dienelactone_[M+H]+; c7h5cl2no_[M-H2O+NH4]+; 3-Oxalomalic acid_[M+H-H2O]+


在BioDeep NovoCell知识数据库中，参考离子总共被划分为4个级别。
  • Confirmed: 这个参考离子已经通过手动审计得到确认和验证。
  • Reliable: 这个参考离子可能在特定的解剖组织环境中高度保守。
  • Unreliable: 这个参考离子具有较高的排名价值，但缺乏可重复性。
  • Unavailable: 由于排名价值低且缺乏可重复性，这个参考离子不应用于注释。

Found 6 Reference Ions Near m/z 188.9998
NovoCell ID m/z Mass Window Metabolite Ranking Anatomy Context
MSI_000054170 Reliable 188.9945 188.9942 ~ 188.9949
MzDiff: 2.8 ppm		 c7h5cl2no (BioDeep_00002084689)
Formula: C7H5Cl2NO (188.9748)		 3.29 (89%) MALDI - CHCA
[NOVOCELL:BACKGROUND] blank
MSI_000013137 Unavailable 188.9954 188.9954 ~ 188.9954
MzDiff: none		 2-Chloro-5-methyl-cis-dienelactone (BioDeep_00000012211)
Formula: C7H5ClO4 (187.9876)		 -0.74 (100%) Plant
[PO:0005020] vascular bundle
MSI_000013692 Unreliable 188.9954 188.9954 ~ 188.9954
MzDiff: none		 2-Chloro-5-methyl-cis-dienelactone (BioDeep_00000012211)
Formula: C7H5ClO4 (187.9876)		 0.37 (100%) Plant
[PO:0005417] phloem
MSI_000018716 Unreliable 188.9954 188.9954 ~ 188.9954
MzDiff: none		 2-Chloro-5-methyl-cis-dienelactone (BioDeep_00000012211)
Formula: C7H5ClO4 (187.9876)		 1.59 (100%) Plant
[PO:0020124] root stele
MSI_000019825 Unavailable 188.9954 188.9954 ~ 188.9954
MzDiff: none		 2-Chloro-5-methyl-cis-dienelactone (BioDeep_00000012211)
Formula: C7H5ClO4 (187.9876)		 -0.46 (100%) Plant
[PO:0025197] stele
MSI_000040065 Unreliable 188.9947 188.9947 ~ 188.9947
MzDiff: none		 c7h5cl2no (BioDeep_00002084689)
Formula: C7H5Cl2NO (188.9748)		 0.11 (100%) Posidonia oceanica
[PO:0005417] phloem

Found 5 Sample Hits
Metabolite Species Sample
2-Chloro-5-methyl-cis-dienelactone

Formula: C7H5ClO4 (187.9876)
Adducts: [M+H]+ (Ppm: 2.6) 		Plant (Root)
MPIMM_035_QE_P_PO_6pm
Resolution: 30μm, 165x170

Description

c7h5cl2no

Formula: C7H5Cl2NO (188.9748)
Adducts: [M-H2O+NH4]+ (Ppm: 9.6) 		Vitis vinifera (Fruit)
grape_dhb_91_1
Resolution: 50μm, 120x114

Description

Grape berries fruit, condition: Ripe
c7h5cl2no

Formula: C7H5Cl2NO (188.9748)
Adducts: [M-H2O+NH4]+ (Ppm: 9.1) 		Vitis vinifera (Fruit)
grape_dhb_163_1
Resolution: 17μm, 132x115

Description

Grape berries fruit, condition: Late
c7h5cl2no

Formula: C7H5Cl2NO (188.9748)
Adducts: [M-H2O+NH4]+ (Ppm: 17.9) 		Posidonia oceanica (root)
MS1_20180404_PO_1200
Resolution: 17μm, 193x208

Description

3-Oxalomalic acid

Formula: C6H6O8 (206.0063)
Adducts: [M+H-H2O]+ (Ppm: 5.4) 		Homo sapiens (esophagus)
TO31T
Resolution: 75μm, 56x54

Description