Indo-1

Indo-1
Names
	IUPAC name 2-[4-(bis(carboxymethyl)amino)-3-[2-[2-(bis(carboxymethyl)amino)- 5-methylphenoxy]ethoxy]phenyl]-1H-indole-6-carboxylic acid
	Other names Indo-1
Identifiers
CAS Number	96314-96-4 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:52084 ;
ChemSpider	94791 ;
PubChem CID	105060;
UNII	N18RMK75W1 ;
CompTox Dashboard (EPA)	DTXSID60242202 ;
	InChI InChI=1S/C32H31N3O12/c1-18-2-6-24(34(14-28(36)37)15-29(38)39)26(10-18)46-8-9-47-27-13-20(5-7-25(27)35(16-30(40)41)17-31(42)43)22-11-19-3-4-21(32(44)45)12-23(19)33-22/h2-7,10-13,33H,8-9,14-17H2,1H3,(H,36,37)(H,38,39)(H,40,41)(H,42,43)(H,44,45) Key: AMHAQOBUZCQMHN-UHFFFAOYSA-N ; InChI=1/C32H31N3O12/c1-18-2-6-24(34(14-28(36)37)15-29(38)39)26(10-18)46-8-9-47-27-13-20(5-7-25(27)35(16-30(40)41)17-31(42)43)22-11-19-3-4-21(32(44)45)12-23(19)33-22/h2-7,10-13,33H,8-9,14-17H2,1H3,(H,36,37)(H,38,39)(H,40,41)(H,42,43)(H,44,45) Key: AMHAQOBUZCQMHN-UHFFFAOYAU;
	SMILES O=C(O)CN(c4ccc(cc4OCCOc3c(N(CC(=O)O)CC(=O)O)ccc(c2cc1ccc(cc1[nH]2)C(=O)O)c3)C)CC(=O)O;
Properties
Chemical formula	C32H31N3O12
Molar mass	649.60 g/mol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Indo-1

Chemical compound used as an indicator in calcium imaging

Indo-1 is a popular calcium indicator similar to Fura-2. In contrast to Fura-2, Indo-1 has a dual emissions peak. The main emission peak in calcium-free solution is 475 nm while in the presence of calcium the emission is shifted to 400 nm. It is widely used in flow cytometry. The penta potassium salt is commercially available and preferred to the free acid because of its higher solubility in water. While Indo-1 is not cell permeable the penta acetoxymethyl ester Indo-1 AM enters the cell where it is cleaved by intracellular esterases to Indo-1. The synthesis and properties of Indo-1 were presented in 1985 by the group of Roger Y Tsien.^[1]

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[pmid3838314-1] [1]
Grynkiewicz G, Poenie M, Tsien RY (1985). "A new generation of Ca2+ indicators with greatly improved fluorescence properties". J. Biol. Chem. 260 (6): 3440–50. doi:10.1016/S0021-9258(19)83641-4. PMID 3838314.

[1]

Indo-1

Indo-1

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Names

IUPAC name 2-[4-(bis(carboxymethyl)amino)-3-[2-[2-(bis(carboxymethyl)amino)- 5-methylphenoxy]ethoxy]phenyl]-1H-indole-6-carboxylic acid
Other names Indo-1
Identifiers
CAS Number	96314-96-4^Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:52084^Y
ChemSpider	94791^Y
PubChem CID	105060
UNII	N18RMK75W1^Y
CompTox Dashboard (EPA)	DTXSID60242202
InChI InChI=1S/C32H31N3O12/c1-18-2-6-24(34(14-28(36)37)15-29(38)39)26(10-18)46-8-9-47-27-13-20(5-7-25(27)35(16-30(40)41)17-31(42)43)22-11-19-3-4-21(32(44)45)12-23(19)33-22/h2-7,10-13,33H,8-9,14-17H2,1H3,(H,36,37)(H,38,39)(H,40,41)(H,42,43)(H,44,45)^Y Key: AMHAQOBUZCQMHN-UHFFFAOYSA-N^Y InChI=1/C32H31N3O12/c1-18-2-6-24(34(14-28(36)37)15-29(38)39)26(10-18)46-8-9-47-27-13-20(5-7-25(27)35(16-30(40)41)17-31(42)43)22-11-19-3-4-21(32(44)45)12-23(19)33-22/h2-7,10-13,33H,8-9,14-17H2,1H3,(H,36,37)(H,38,39)(H,40,41)(H,42,43)(H,44,45) Key: AMHAQOBUZCQMHN-UHFFFAOYAU
SMILES O=C(O)CN(c4ccc(cc4OCCOc3c(N(CC(=O)O)CC(=O)O)ccc(c2cc1ccc(cc1[nH]2)C(=O)O)c3)C)CC(=O)O
Properties
Chemical formula	C₃₂H₃₁N₃O₁₂
Molar mass	649.60 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references