Indo-1 potassium salt - CAS 132319-56-3
Molecular Formula:
C32H26K5N3O12
Molecular Weight:
840.1
COA:
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Application\Fluorophore:
Ion Indicators and Sensors
Description:
Indo-1 is a ratiometric fluorescent indicator for calcium. Indo-1 is useful for flow cytometry. The emission maximum shifts from 475-485 nm without calcium to 400-410 nm when indo-1 binds calcium.
Purity:
≥90%
Related CAS:
96314-96-4 (free acid)
Appearance:
Solid Powder
Synonyms:
Indo 1 Pentapotassium Salt; 2-[4-[bis(carboxymethyl)amino]-3-[2-[2-[bis(carboxymethyl)amino]-5-methylphenoxy]ethoxy]phenyl]-1H-indole-6-carboxylic acid, pentapotassium salt
Storage:
Store at -20°C
MSDS:
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Excitation:
349-364 nm
Emission:
475-485 nm (no Ca2+), 400-410 nm (Ca2+-bound)
InChIKey:
VGZPRMSXVNDMAN-UHFFFAOYSA-I
InChI:
InChI=1S/C32H31N3O12.5K/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);;;;;/q;5*+1/p-5
Canonical SMILES:
CC1=CC(=C(C=C1)N(CC(=O)[O-])CC(=O)[O-])OCCOC2=C(C=CC(=C2)C3=CC4=C(N3)C=C(C=C4)C(=O)[O-])N(CC(=O)[O-])CC(=O)[O-].[K+].[K+].[K+].[K+].[K+]
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Chemical Structure

CAS 132319-56-3 Indo-1 potassium salt

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