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AB145293

5-FAM (5-Carboxyfluorescein), Amine-reactive fluorescent label

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MW 376.3 Da, Purity >99%. Amine-reactive fluorescent label. 6-FAM (ab145294) isomer. Polar tracer. Covalently labels peptides and proteins. 5-CFDA N-succinimidyl ester (ab145292) and 5-CFDA (ab145256) hydrolytic product.
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Chemical Structure - 5-FAM (5-Carboxyfluorescein), Amine-reactive fluorescent label (AB145293)
  • Chemical Structure

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Chemical Structure - 5-FAM (5-Carboxyfluorescein), Amine-reactive fluorescent label (AB145293)

2D chemical structure image of ab145293, 5-FAM (5-Carboxyfluorescein), Amine-reactive fluorescent label

Key facts

CAS number

76823-03-5

Purity

>99%

Form

Solid

form

Molecular weight

376.3 Da

Molecular formula

C<sub>2</sub><sub>1</sub>H<sub>1</sub><sub>2</sub>O<sub>7</sub>

PubChem

123755

Nature

Synthetic

Solubility

Soluble in water

Soluble in DMSO

Biochemical name

5-Carboxyfluorescein

Biological description

Amine-reactive fluorescent label. 6-FAM (ab145294) isomer. Polar tracer. Covalently labels peptides and proteins. 5-CFDA N-succinimidyl ester (ab145292) and 5-CFDA (ab145256) hydrolytic product.

Canonical smiles

C1=CC2=C(C=C1C(=O)O)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

InChi

InChI=1S/C21H12O7/c22-11-2-5-15-17(8-11)27-18-9-12(23)3-6-16(18)21(15)14-4-1-10(19(24)25)7-13(14)20(26)28-21/h1-9,22-23H,(H,24,25)

InChiKey

NJYVEMPWNAYQQN-UHFFFAOYSA-N

IUPAC Name

3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid

Excitation/Emission

Ex: 495nm, Em: 520nm

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Properties and storage information

Shipped at conditions
Ambient - Can Ship with Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°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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Biochemicals

AB145342

5(6)-FAM (5(6)-Carboxyfluorescein), pH-senstive fluorescent label

Chemical Structure - 5(6)-FAM (5(6)-Carboxyfluorescein), pH-senstive fluorescent label (AB145342)

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Biochemicals

AB145294

6-FAM (6-Carboxyfluorescein), Amine-reactive fluorescent label

Chemical Structure - 6-FAM (6-Carboxyfluorescein), Amine-reactive fluorescent label (AB145294)

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Biochemicals

AB145256

5-CFDA (5-Carboxyfluorescein Diacetate), Fluorogenic non-selective esterase substrate

Chemical Structure - 5-CFDA (5-Carboxyfluorescein Diacetate), Fluorogenic non-selective esterase substrate (AB145256)

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Biochemicals

AB120003

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