JavaScript is disabled in your browser. Please enable JavaScript to view this website.
AB275365

5(6)-Carboxyfluorescein, NHS ester

Be the first to review this product! Submit a review

|

(0 Publication)

MW 473.4 g/mol, Purity >90%. 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.
1 Images
Chemical Structure - 5(6)-Carboxyfluorescein, NHS ester (AB275365)
  • Chemical Structure

Lab

Chemical Structure - 5(6)-Carboxyfluorescein, NHS ester (AB275365)

Chemical structure of 5(6)-Carboxyfluorescein, NHS ester, 17548-22-8

Key facts

CAS number

17548-22-8

Purity

>90%

Form

Solid

form

Molecular weight

473.4 g/mol

Molecular formula

C<sub>2</sub><sub>5</sub>H<sub>1</sub><sub>5</sub>NO<sub>9</sub>

Nature

Synthetic

Solubility

Soluble in DMSO

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.

IUPAC Name

3',6'-Dihydroxy-3-oxo-spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-ar-carboxylic acid, 2,5-dioxo-1-pyrrolidinyl ester

Excitation/Emission

Ex: 495nm, Em: 520nm

Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
-20°C
Appropriate long-term storage conditions
-20°C
Storage information
Store in the dark|Store under desiccating conditions

Product protocols

Product promise

We are committed to supporting your work with high-quality reagents, and we're here for you every step of the way. In the unlikely event that one of our products does not perform as expected, you're protected by our Product Promise.
For full details, please see our Terms & Conditions

Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.

For licensing inquiries, please contact partnerships@abcam.com