5(6)-Carboxyfluorescein, NHS ester (ab275365)
Key features and details
- Fluorescent, amine-reactive probe for bioconjugate synthesis
- CAS Number: 17548-22-8
- Purity: > 98%
Soluble in DMSO
- Form / State: Solid
- Source: Synthetic
Overview
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Product name
5(6)-Carboxyfluorescein, NHS ester -
Description
Fluorescent, amine-reactive probe for bioconjugate synthesis -
Biological description
Fluorescent, amine-reactive probe for bioconjugate synthesis. Labels bioconjugates on nucleophilic amines (N-terminus, lysine residues). Labeled bioconjugates resistant to hydrolysis. High stability and performance at physiological pH.
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Purity
> 98% -
CAS Number
17548-22-8 -
Chemical structure
Properties
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Chemical name
3',6'-Dihydroxy-3-oxo-spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-ar-carboxylic acid, 2,5-dioxo-1-pyrrolidinyl ester -
Molecular weight
473.40 -
Molecular formula
C25H15NO9 -
Storage instructions
Shipped at 4°C. Store at -20°C long term. Store In the Dark. Store under desiccating conditions. -
Solubility overview
Soluble in DMSO
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Handling
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Refer to SDS for further information.
Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
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Source
Synthetic
Images
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Chemical Structure - 5(6)-Carboxyfluorescein, NHS ester (ab275365)
Chemical structure of 5(6)-Carboxyfluorescein, NHS ester, 17548-22-8