M/Z: 327.1755

Hit 3 annotations: Calcium octanoate_[M+H]+; Formoterol_[M+H-H2O]+; Naloxone_[M-H2O+NH4]+

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 5 Reference Ions Near m/z 327.1755

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000052680 Reliable	327.1806	327.1801 ~ 327.181 MzDiff: `3.5 ppm`	Calcium octanoate (BioDeep_00000228420) Formula: C16H30CaO4 (326.177)	7.6 (100%)	DESI [NOVOCELL:BACKGROUND] blank
MSI_000052770 Reliable	327.1796	327.1792 ~ 327.1799 MzDiff: `2.9 ppm`	Calcium octanoate (BioDeep_00000228420) Formula: C16H30CaO4 (326.177)	8.38 (100%)	DESI [NOVOCELL:BACKGROUND] blank
MSI_000053111 Unreliable	327.1755	327.1755 ~ 327.1755 MzDiff: `none`	Formoterol (BioDeep_00000001989) Formula: C19H24N2O4 (344.1736)	2.95 (100%)	DESI [NOVOCELL:BACKGROUND] blank
MSI_000053129 Unreliable	327.1846	327.1846 ~ 327.1846 MzDiff: `none`	Calcium octanoate (BioDeep_00000228420) Formula: C16H30CaO4 (326.177)	2.93 (100%)	DESI [NOVOCELL:BACKGROUND] blank
MSI_000055925 Unavailable	327.181	327.181 ~ 327.181 MzDiff: `none`	Calcium octanoate (BioDeep_00000228420) Formula: C16H30CaO4 (326.177)	-0.37 (100%)	Homo sapiens [UBERON:0007779] transudate

Found 7 Sample Hits

Metabolite	Species	Sample
Calcium octanoate Formula: C16H30CaO4 (326.177) Adducts: [M+H]+ (Ppm: 13.6)	Homo sapiens (esophagus)	TO42T Resolution: 17μm, 69x81 Description
Formoterol Formula: C19H24N2O4 (344.1736) Adducts: [M+H-H2O]+ (Ppm: 15.9)	Homo sapiens (colorectal adenocarcinoma)	80TopL, 50TopR, 70BottomL, 60BottomR-profile Resolution: 17μm, 137x136 Description The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).
Formoterol Formula: C19H24N2O4 (344.1736) Adducts: [M+H-H2O]+ (Ppm: 17.1)	Homo sapiens (colorectal adenocarcinoma)	520TopL, 490TopR, 510BottomL, 500BottomR-profile Resolution: 17μm, 147x131 Description The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).
Naloxone Formula: C19H21NO4 (327.1471) Adducts: [M-H2O+NH4]+ (Ppm: 18.9)	Homo sapiens (colorectal adenocarcinoma)	439TopL, 409TopR, 429BottomL, 419BottomR-profile Resolution: 17μm, 157x136 Description The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).
Calcium octanoate Formula: C16H30CaO4 (326.177) Adducts: [M+H]+ (Ppm: 9.7)	Homo sapiens (NA)	160TopL,130TopR,150BottomL,140BottomR-profile Resolution: 17μm, 142x136 Description
Calcium octanoate Formula: C16H30CaO4 (326.177) Adducts: [M+H]+ (Ppm: 12.7)	Homo sapiens (esophagus)	LNTO29_18_2 Resolution: 75μm, 62x68 Description
Calcium octanoate Formula: C16H30CaO4 (326.177) Adducts: [M+H]+ (Ppm: 13.6)	Homo sapiens (colorectal adenocarcinoma)	160TopL,130TopR,150BottomL,140BottomR-centroid Resolution: 50μm, 142x136 Description