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  3. Fluorescent Dye
  4. ICG Maleimide

ICG Maleimide is thiol reactive near infrared (NIR) fluorescent dye and used to generate a stable fluorescence signal in bioimaging.

For research use only. We do not sell to patients.

ICG Maleimide Chemical Structure

ICG Maleimide Chemical Structure

CAS No. : 2143933-81-5

Size Price Stock Quantity
5 mg USD 260 In-stock
10 mg USD 410 In-stock
25 mg USD 750 In-stock
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Description

ICG Maleimide is thiol reactive near infrared (NIR) fluorescent dye and used to generate a stable fluorescence signal in bioimaging.

Molecular Weight

853.08

Formula

C51H56N4O6S
CAS No.
Appearance

Solid

Color

Green to dark green

SMILES

O=C(NCCN1C(C=CC1=O)=O)CCCCCN(C(C=CC2=C3C=CC=C2)=C3C/4(C)C)C4=C/C=C/C=C/C=C/C(C5(C)C)=[N+](CCCCS(=O)([O-])=O)C6=C5C7=C(C=C6)C=CC=C7
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Solvent & Solubility
In Vitro: 

DMSO : 31.25 mg/mL (36.63 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.1722 mL 5.8611 mL 11.7222 mL
5 mM 0.2344 mL 1.1722 mL 2.3444 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
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Concentration
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Volume
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Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
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g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
Purity & Documentation

Purity: 96.11%

SDS (251 KB)

COA (255 KB) RP-HPLC (243 KB)

Handling Instructions (2659 KB)

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 1.1722 mL 5.8611 mL 11.7222 mL 29.3056 mL
5 mM 0.2344 mL 1.1722 mL 2.3444 mL 5.8611 mL
10 mM 0.1172 mL 0.5861 mL 1.1722 mL 2.9306 mL
15 mM 0.0781 mL 0.3907 mL 0.7815 mL 1.9537 mL
20 mM 0.0586 mL 0.2931 mL 0.5861 mL 1.4653 mL
25 mM 0.0469 mL 0.2344 mL 0.4689 mL 1.1722 mL
30 mM 0.0391 mL 0.1954 mL 0.3907 mL 0.9769 mL
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ICG Maleimide Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

ICG Maleimide2143933-81-5Fluorescent DyeInhibitorinhibitorinhibit

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