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  4. Cyanine5.5 amine

Cyanine5.5 amine  (Synonyms: Cy 5.5 amine; Lumiprobe Cy 5.5 amine)

Cat. No.: HY-D1540 Purity: 99.28%
SDS COA Handling Instructions

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Cyanine5.5 amine (Cy 5.5 amine), a Cy5.5 Analogue, is a near-infrared (NIR) fluorescent dye (Ex=648 nm, Em=710 nm). Cyanine5.5 amine can be used in the preparation of Cy5.5-labeled nanoparticles, which can be tracked and imaged with low fluorescence background using confocal microscopy.

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Cyanine5.5 amine Chemical Structure

Cyanine5.5 amine Chemical Structure

CAS No. : 2097714-45-7

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1 mg USD 110 In-stock
5 mg USD 220 In-stock
10 mg USD 308 In-stock
25 mg USD 600 In-stock
50 mg USD 950 In-stock
100 mg USD 1500 In-stock
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Description

Cyanine5.5 amine (Cy 5.5 amine), a Cy5.5 Analogue, is a near-infrared (NIR) fluorescent dye (Ex=648 nm, Em=710 nm). Cyanine5.5 amine can be used in the preparation of Cy5.5-labeled nanoparticles, which can be tracked and imaged with low fluorescence background using confocal microscopy[1][2].

In Vivo

Real-time monitoring Cy5.5-labeled nanoparticles (Cy5.5-PLGA) in retinal blood vessels.
Guidelines (Following is our recommended protocol. This protocol only provides a guideline, and should be modified according to your specific needs)[2].
1. Freshly prepared suspensions of Cy5.5-PLGA (resuspended in 0.5 ml 1% poloxamer 188, vortexed gently and left for 30 min at ambient temperature before use) is administrated intravenously (0.5 mL).
2. Anesthetize the rats, treat the eyes with Neosynephrine-POS 5% to relax the iris, and Vidisic eye gel is applied to protect the eye from drying out and used as immersion medium for the contact lens as well.
3. Fix the rats under a confocal scanning microscope with the eye positioned in working distance underneath the objective lens, and a cannula is inserted into the tail vein.
4. Observe the fluorescence in the retina, and capture the images at different time points (0, 1, 3, 5, 15, 30, 60, 90 min).
Note: The rats are kept on the heating plate during all the in vivo imaging process.
5. After in vivo real-time imaging, rats were euthanized with an overdose of aforementioned anesthetic and the eyeballs were enucleated and placed into cooled HEPES buffered solution (135 mM NaCl, 5 mM NaOH, 2.5 mM KCl, 7 mM MgCl2, 10 mM HEPES, 10 mM glucose; pH7.4).
6. Remove the anterior segment of eye and vitreous body, separate whole retina carefully, flat on the modified culture plate.
7. Incubate the whole mounts with0.1 mg/mL Hoechst 33342.html" class="link-product" target="_blank"> Hoechst 33342 (HY-15559) in HEPES solution for 20 min for nuclei staining.
8. Fix flat mount retina with 4% paraformaldehyde solution for 20 min and wash with HEPES solution.
9. Capture the images immediately with microscope after preparation of retinal flat mount.

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Molecular Weight

753.88

Formula

C46H58Cl2N4O
CAS No.
Appearance

Solid

Color

Purple to purplish red

Emission (Em)

710
Excitation (Ex)

680
SMILES

O=C(CCCCCN1C2=C(C(C)(C)/C1=C\C=C\C=C\C3=[N+](C)C4=C(C3(C)C)C5=C(C=CC=C5)C=C4)C6=C(C=CC=C6)C=C2)NCCCCCCN.[Cl-].Cl
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

-20°C, sealed storage, away from moisture and light

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (132.65 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 1.3265 mL 6.6324 mL 13.2647 mL
5 mM 0.2653 mL 1.3265 mL 2.6529 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 (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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

Mass
=
Concentration
×
Volume
×
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:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: 2.08 mg/mL (2.76 mM); Suspended solution; Need ultrasonic

    This protocol yields a suspended solution of 2.08 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: 2.08 mg/mL (2.76 mM); Suspended solution; Need ultrasonic

    This protocol yields a suspended solution of 2.08 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation

Purity: 99.28%

SDS (252 KB)

COA (254 KB) HNMR (289 KB) LCMS (95 KB)

Handling Instructions (2659 KB)
References

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 (sealed storage, away from moisture and 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 1.3265 mL 6.6324 mL 13.2647 mL 33.1618 mL
5 mM 0.2653 mL 1.3265 mL 2.6529 mL 6.6324 mL
10 mM 0.1326 mL 0.6632 mL 1.3265 mL 3.3162 mL
15 mM 0.0884 mL 0.4422 mL 0.8843 mL 2.2108 mL
20 mM 0.0663 mL 0.3316 mL 0.6632 mL 1.6581 mL
25 mM 0.0531 mL 0.2653 mL 0.5306 mL 1.3265 mL
30 mM 0.0442 mL 0.2211 mL 0.4422 mL 1.1054 mL
40 mM 0.0332 mL 0.1658 mL 0.3316 mL 0.8290 mL
50 mM 0.0265 mL 0.1326 mL 0.2653 mL 0.6632 mL
60 mM 0.0221 mL 0.1105 mL 0.2211 mL 0.5527 mL
80 mM 0.0166 mL 0.0829 mL 0.1658 mL 0.4145 mL
100 mM 0.0133 mL 0.0663 mL 0.1326 mL 0.3316 mL
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Cyanine5.5 amine 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:

Cyanine5.5 amine2097714-45-7Cy 5.5 amine Lumiprobe Cy 5.5 amineFluorescent DyeCy5.5far red dyeNIRdyenanoparticlesconfocalInhibitorinhibitorinhibit

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