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AB145391

Merocyanin 540 (Merocyanine 540), Fluorescent membrane indicator

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MW 569.7 Da, Purity >90%. Fluorescent membrane potential indicator. Selectively stains electrically excitable membranes. Stains Ca2+-dependently in buffered iso-osmotic sucrose and Ca2+-independently at high ionic strength.
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Chemical Structure - Merocyanin 540 (Merocyanine 540), Fluorescent membrane indicator (AB145391)
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Chemical Structure - Merocyanin 540 (Merocyanine 540), Fluorescent membrane indicator (AB145391)

2D chemical structure image of ab145391, Merocyanin 540 (Merocyanine 540), Fluorescent membrane indicator

Key facts

CAS number

62796-23-0

Purity

>90%

Form

Solid

form

Molecular weight

569.7 Da

Molecular formula

C<sub>2</sub><sub>6</sub>H<sub>3</sub><sub>2</sub>N<sub>3</sub>NaO<sub>6</sub>S<sub>2</sub>

PubChem

5702743

Nature

Synthetic

Solubility

Soluble in water

Soluble in ethanol

Soluble in DMSO

Biochemical name

3(2H)-Benzoxazolepropanesulfonic acid, 2-(4-(1,3-dibutyltetrahydro-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene)-2-buten-1-ylidene)-, sodium salt (1:1)

Biological description

Fluorescent membrane potential indicator. Selectively stains electrically excitable membranes. Stains Ca2+-dependently in buffered iso-osmotic sucrose and Ca2+-independently at high ionic strength.

Canonical smiles

CCCCN1C(=O)C(=CC=CC=C2N(C3=CC=CC=C3O2)CCCS(=O)(=O)[O-])C(=O)N(C1=S)CCCC.[Na+]

Isomeric smiles

CCCCN1C(=O)C(=C/C=C/C=C\2/N(C3=CC=CC=C3O2)CCCS(=O)(=O)[O-])C(=O)N(C1=S)CCCC.[Na+]

InChi

InChI=1S/C26H33N3O6S2.Na/c1-3-5-16-28-24(30)20(25(31)29(26(28)36)17-6-4-2)12-7-10-15-23-27(18-11-19-37(32,33)34)21-13-8-9-14-22(21)35-23;/h7-10,12-15H,3-6,11,16-19H2,1-2H3,(H,32,33,34);/q;+1/p-1/b10-7+,23-15-;

InChiKey

OSQUFVVXNRMSHL-LTHRDKTGSA-M

IUPAC Name

sodium;3-[(2Z)-2-[(E)-4-(1,3-dibutyl-4,6-dioxo-2-sulfanylidene-1,3-diazinan-5-ylidene)but-2-enylidene]-1,3-benzoxazol-3-yl]propane-1-sulfonate

Excitation/Emission

Ex: 500nm, Em: 500nm

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Properties and storage information

Shipped at conditions
Ambient - Can Ship with Ice
Appropriate short-term storage conditions
-20°C
Appropriate long-term storage conditions
-20°C
Storage information
Store under desiccating conditions|The product can be stored for up to 12 months
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Product protocols

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