Rose bengal

4,5,6,7-tetrachloro-3,6-Dihydroxy-2,4,5,7-tetraiodospiro[isobenzofuran-1(3H),9-[9H]xanthen]-3-one, 9ci

Formula: C20H4Cl4I4O5 (971.4992)
Chinese Name: 孟加拉红内酯
BioDeep ID: BioDeep_00000035148 ( View LC/MS Profile)
SMILES: OC(=O)C1=C(C(Cl)=C(Cl)C(Cl)=C1Cl)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C(O)=C(I)C=C12

Found 2 Sample Hits

m/z Adducts Species Organ Scanning Sample

m/z	Adducts	Species	Organ	Scanning	Sample
1010.6149	[M+K]+ `PPM:17.8`	Rattus norvegicus	Epididymis	MALDI (DHB)	epik_dhb_head_ito01_06 - MTBLS58 Resolution: 17μm, 183x103 Description
972.5245	[M+H]+ `PPM:18.5`	Mus musculus	Lung	MALDI (DHB)	image1 - MTBLS2075 Resolution: 40μm, 187x165 Description Fig. 2 MALDI-MSI data from the same mouse lung tissue analyzed in Fig. 1. A: Optical image of the post-MSI, H&E-stained tissue section. B–D, F–G: Ion images of (B) m/z 796.6855 ([U13C-DPPC+Na]+), (C) m/z 756.5514 ([PC32:0+Na]+), (D) m/z 765.6079 ([D9-PC32:0+Na]+), (F) m/z 754.5359 ([PC32:1+Na]+), and (G) m/z 763.5923 ([D9-PC32:1+Na]+). E, H: Ratio images of (E) [D9-PC32:0+Na]+:[PC32:0+Na]+ and (H) [D9-PC32:1+Na]+:[PC32:1+Na]+. Part-per-million (ppm) mass errors are indicated in parentheses. All images were visualized using total-ion-current normalization and using hotspot removal (high quantile = 99%). DPPC = PC16:0/16:0. U13C-DPPC, universally 13C-labeled dipalmitoyl PC; PC, phosphatidylcholine; MSI, mass spectrometry imaging; H&E, hematoxylin and eosin. Fig 1-3, Fig S1-S3, S5

1010.6149

[M+K]+
PPM:17.8

Rattus norvegicus

Epididymis

MALDI (DHB)

epik_dhb_head_ito01_06 - MTBLS58

Resolution: 17μm, 183x103

Description

972.5245

[M+H]+
PPM:18.5

Mus musculus

Lung

MALDI (DHB)

image1 - MTBLS2075

Resolution: 40μm, 187x165

Description

Fig. 2 MALDI-MSI data from the same mouse lung tissue analyzed in Fig. 1. A: Optical image of the post-MSI, H&E-stained tissue section. B–D, F–G: Ion images of (B) m/z 796.6855 ([U13C-DPPC+Na]+), (C) m/z 756.5514 ([PC32:0+Na]+), (D) m/z 765.6079 ([D9-PC32:0+Na]+), (F) m/z 754.5359 ([PC32:1+Na]+), and (G) m/z 763.5923 ([D9-PC32:1+Na]+). E, H: Ratio images of (E) [D9-PC32:0+Na]+:[PC32:0+Na]+ and (H) [D9-PC32:1+Na]+:[PC32:1+Na]+. Part-per-million (ppm) mass errors are indicated in parentheses. All images were visualized using total-ion-current normalization and using hotspot removal (high quantile = 99%). DPPC = PC16:0/16:0. U13C-DPPC, universally 13C-labeled dipalmitoyl PC; PC, phosphatidylcholine; MSI, mass spectrometry imaging; H&E, hematoxylin and eosin. Fig 1-3, Fig S1-S3, S5

Rose bengal is a food colourant; no longer FDA permitted Rose Bengal (4,5,6,7-tetrachloro-2,4,5,7-tetraiodofluorescein) is a stain. Its sodium salt is commonly used in eye drops to stain damaged conjunctival and corneal cells and thereby identify damage to the eye Food colourant; no longer FDA permitted