. Author manuscript; available in PMC: 2017 Jan 15.

Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2015 Dec 8;0:55–65. doi: 10.1016/j.jchromb.2015.12.008

Table 1. Names, abbreviations and structures of compounds of interest.

Most common		Structure	Occurrence in humans	pK_a [47]
Names	Abbreviatio ns	Structure	Occurrence in humans	pK_a [47]
Arsenate, Arsenic acid	As^V		Urine [48-52] Fingernail [50] Blood plasma [50, 53]	2.3 6.7 11.6
Dimethyldithioarsinic acid Dimethylarsinodithioic acid	DMDTA^V		In mammals [24, 26]
Arsenite, Arsenious acid	As^III		Urine [48-52] Fingernail [50] Blood plasma [53]	9.2
Monomethylarsonic acid, Methylarsonic acid	MMA^V MAs^V		Urine [48-52] Fingernail [50] Blood plasma [50, 53] Hepatocytes [54]	3.6 8.2
Monomethylarsonous acid, Methylarsonous acid, Methylarsonite	MMA^III MAs^III		Urine [48-52, 55] Hepatocytes [54]
Dimethylmonothioarsinic acid, Dimethylarsinothioic acid, Thio-dimethylarsinate	DMMTA^V Thio-DMA DMAS^V		Urine [23] Red blood cells [27]
Dimethylarsinic acid, Dimethylarsinate	DMA^V DMAs^V		Urine [48-52] Fingernail [50] Blood plasma [50, 53] Hepatocytes [54]	6.3
Arsino-glutathione	As^III(GS)₃ ATG		In mammals [56-57]
Dimethylarsinothioyl glutathione	DMMTA^V-GS DMATG DMAS^V-GS DMMTA^V(G S)		[25]
Monomethylarsino-glutathione, Monomethylarsonic diglutathione	MMA^III(GS)₂ MADG		In mammals [56-57]
S-(Dimethylarsenic) Cysteine	DMA^IIICys
Dimethylarsinous acid, Dimethylarsinite	DMA^III DMAs^III		Urine [48-52, 55] Fingernail [50] Hepatocytes [54]
Dimethylarsinous glutathione, Dimethylarsinic glutathione, Dimethylarsino-glutathione, Darinaparsin, ZIO-101, DAR	DMA^III(GS) DAR DMAG DMAs^IIIGS		[25]