M/Z: 303.197


Hit 2 annotations:  2-Methoxyestradiol_[M+H]+; PIPERONYL BUTOXIDE_[M+H-2H2O]+


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 Reference Ions Near m/z 303.197
NovoCell ID m/z Mass Window Metabolite Ranking Anatomy Context

Found 6 Sample Hits
Metabolite Species Sample
2-Methoxyestradiol

Formula: C19H26O3 (302.1882)
Adducts: [M+H]+ (Ppm: 5.7) 		Homo sapiens (esophagus)
LNTO22_1_3
Resolution: 75μm, 121x68

Description

PIPERONYL BUTOXIDE

Formula: C19H30O5 (338.2093)
Adducts: [M+H-2H2O]+ (Ppm: 16.6) 		Homo sapiens (esophagus)
LNTO22_1_9
Resolution: 75μm, 89x74

Description

2-Methoxyestradiol

Formula: C19H26O3 (302.1882)
Adducts: [M+H]+ (Ppm: 6.1) 		Homo sapiens (esophagus)
LNTO22_1_5
Resolution: 75μm, 135x94

Description

2-Methoxyestradiol

Formula: C19H26O3 (302.1882)
Adducts: [M+H]+ (Ppm: 15.6) 		Homo sapiens (esophagus)
LNTO22_1_7
Resolution: 75μm, 69x54

Description

2-Methoxyestradiol

Formula: C19H26O3 (302.1882)
Adducts: [M+H]+ (Ppm: 5.4) 		Homo sapiens (esophagus)
LNTO22_1_8
Resolution: 75μm, 69x61

Description

2-Methoxyestradiol

Formula: C19H26O3 (302.1882)
Adducts: [M+H]+ (Ppm: 5.1) 		Homo sapiens (esophagus)
LNTO22_2_1
Resolution: 75μm, 89x88

Description