2. Immunology/Inflammation
  3. NO Synthase
  4. 2-Iminobiotin hydrobromide

2-Iminobiotin hydrobromide  (Synonyms: Guanidinobiotin hydrobromide)

Cat. No.: HY-118700A Purity: ≥98.0%
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2-Iminobiotin hydrobromide (Guanidinobiotin hydrobromide) is a biotin (vitamin H or B7) analog. 2-Iminobiotin hydrobromide is a reversible nitric oxide synthases inhibitor with Kis of 21.8 and 37.5 μM for murine iNOS and rat n-cNOS, respectively. 2-Iminobiotin hydrobromide superimposes on hypothermia protects human neuronal cells from hypoxia-induced cell damage.

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

2-Iminobiotin hydrobromide Chemical Structure

2-Iminobiotin hydrobromide Chemical Structure

CAS No. : 76985-52-9

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 165 In-stock
Solution
10 mM * 1 mL in DMSO USD 165 In-stock
Solid
25 mg USD 40 In-stock
50 mg USD 60 In-stock
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Based on 1 publication(s) in Google Scholar

Other Forms of 2-Iminobiotin hydrobromide:

2-Iminobiotin hydrobromide Related Antibodies

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nNOS iNOS eNOS

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  • Purity & Documentation

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Description

2-Iminobiotin hydrobromide (Guanidinobiotin hydrobromide) is a biotin (vitamin H or B7) analog. 2-Iminobiotin hydrobromide is a reversible nitric oxide synthases inhibitor with Kis of 21.8 and 37.5 μM for murine iNOS and rat n-cNOS, respectively[1]. 2-Iminobiotin hydrobromide superimposes on hypothermia protects human neuronal cells from hypoxia-induced cell damage[2].

IC50 & Target

NO synthases[1]
In Vitro

Application of low concentrations of 2-Iminobiotin (2-IB; 10 ng/mL and 30 ng/mL) superimposed on hypothermia abrogates the hypoxia-induced lactate dehydrogenase (LDH) increase, resulting in LDH levels that were not different from the normoxia control[1].

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

2-Iminobiotin hydrobromide Related Antibodies
Molecular Weight

324.24

Formula

C10H18BrN3O2S
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

[H][C@](CS[C@H]1CCCCC(O)=O)([C@]1([H])N2)NC2=N.Br
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, sealed storage, away from moisture

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

Solvent & Solubility
In Vitro: 

DMSO : 125 mg/mL (385.52 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 3.0841 mL 15.4207 mL 30.8414 mL
5 mM 0.6168 mL 3.0841 mL 6.1683 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). 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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  • Dilution Calculator

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 (6.42 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    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 (6.42 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    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)

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
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). 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 3.0841 mL 15.4207 mL 30.8414 mL 77.1034 mL
5 mM 0.6168 mL 3.0841 mL 6.1683 mL 15.4207 mL
10 mM 0.3084 mL 1.5421 mL 3.0841 mL 7.7103 mL
15 mM 0.2056 mL 1.0280 mL 2.0561 mL 5.1402 mL
20 mM 0.1542 mL 0.7710 mL 1.5421 mL 3.8552 mL
25 mM 0.1234 mL 0.6168 mL 1.2337 mL 3.0841 mL
30 mM 0.1028 mL 0.5140 mL 1.0280 mL 2.5701 mL
40 mM 0.0771 mL 0.3855 mL 0.7710 mL 1.9276 mL
50 mM 0.0617 mL 0.3084 mL 0.6168 mL 1.5421 mL
60 mM 0.0514 mL 0.2570 mL 0.5140 mL 1.2851 mL
80 mM 0.0386 mL 0.1928 mL 0.3855 mL 0.9638 mL
100 mM 0.0308 mL 0.1542 mL 0.3084 mL 0.7710 mL
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2-Iminobiotin hydrobromide 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:

2-Iminobiotin76985-52-9GuanidinobiotinNO SynthaseNitric oxide synthasesNOSInhibitorinhibitorinhibit

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