Cat. No.: HY-B0423

Neostigmine Bromide

(Synonyms: Eustigmin bromide; Neoserine bromide)

1 Cited Publications

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Based on 1 publication(s) in Google Scholar

Neostigmine (Eustigmin) Bromide is an orally active and reversible cholinesterase inhibitor that acts on myasthenia gravis to prolong and intensify the muscarinic and nicotinic effects of acetylcholine. Neostigmine Bromide can be used in anesthesia to reverse the neuromuscular blockade produced by competitive neuromuscular blockers.

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Pureté: 99.91%
CAS No.: 114-80-7
Formule: C₁₂H₁₉BrN₂O₂
Masse moléculaire:303.20

Stockage:

4°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)

Neostigmine Bromide Chemical Structure

CAS No.: 114-80-7

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Activité biologique
- Description
- In Vivo
- Essai clinique
Chemical Information
Publications (1)
Solvant et solubilité
- In Vitro
- In Vivo
Pureté et documentation
Références
Help & FAQs
Classifications
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Activité biologique

Description

Voir tous les produits spécifiques à Isoform Cholinesterase (ChE) :

AChE
BChE

In Vivo

Pharmacokinetic parameters of oral tablet and nasal microspheres of Neostigmine Bromide in rabbits^[1]

Formulation	T_max (h)	C_max (ng/mL)	AUC (ng·h/mL)	Kel (h^-1)	T_1/2 (h)
Oral	1.5	60.07	94.17	0.582	1.19
IN₁	3	95.51	446.25	0.164	4.22
IN₂	3	90.32	406.85	0.196	3.53

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

Essai clinique

NCT Number	Sponsor	Condition	Start Date	Phase A549
NCT01329991	Plexxikon\|		2011-05	PHASE1

Chemical Information

CAS No. 114-80-7
Appearance Solid
Masse moléculaire 303.20
Formule C₁₂H₁₉BrN₂O₂
Color White to off-white
SMILES

C[N+](C)(C)C1=CC=CC(OC(N(C)C)=O)=C1.[Br-]
Synonyms

Eustigmin bromide; Neoserine bromide
Livraison

Room temperature in continental US; may vary elsewhere.
Stockage

4°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)

Publications (1)

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bioRxiv

2024 June 12.

Solvant et solubilité

In Vitro:

DMSO : 100 mg/mL (329.82 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H₂O : 100 mg/mL (329.82 mM; Need ultrasonic)

View the Complete Stock Solution Preparation Table

Preparing Stock Solutions

View the Complete Stock Solution Preparation Table

Concentration Solvent Mass

1 mg

5 mg

10 mg

Concentration

Solvent

Mass

1 mM

3.2982 mL

16.4908 mL

32.9815 mL

5 mM

0.6596 mL

3.2982 mL

6.5963 mL

10 mM

0.3298 mL

1.6491 mL

3.2982 mL

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.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

Calculateur de molarité

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

Mass Mass

Concentration Concentration

Volume Volume

Molecular Weight Molecular Weight

Calculateur de dilution

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

Concentration _(start) Concentration _(start)

Volume _(start) Volume _(start)

Concentration _(final) Concentration _(final)

Volume _(final) Volume _(final)

In Vivo:

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

Stock Solution Working Solution

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: ≥ 2.5 mg/mL (8.25 mM); Clear solution

This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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.

Protocol 2

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

Solubility: ≥ 2.5 mg/mL (8.25 mM); Clear solution

This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

Protocol 3

Add each solvent one by one: 10% DMSO 90% Corn Oil

Solubility: ≥ 2.5 mg/mL (8.25 mM); Clear solution

This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL Corn oil, and mix evenly.

Working Solution

For the following dissolution methods, please prepare the working solution directly:

It is recommended to prepare fresh solutions and use them promptly within a short period of time.

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: PBS

Solubility: 100 mg/mL (329.82 mM); Clear solution; Need ultrasonic

In Vivo Dissolution Calculator

Please enter the basic information of animal experiments:

Dosage Dosage
mg/kg
Animal Weight (Per Animal) Animal Weight (Per Animal)
g
Dosing Volume (Per Animal) Dosing Volume (Per Animal)
μL
Number of Animals Number of Animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Working solution concentration: 0.22 mg/mL

This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.

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) .

Pureté et documentation

Select Batch:

Pureté: 99.98%

Assay: 99.98%

ee.: 99.98%

Fiche technique (274 KB)
SDS (644 KB)
- English - EN (644 KB)
- Français - FR (644 KB)
- Deutsch - DE (644 KB)
- Norwegian - NO (644 KB)
- Español - ES (644 KB)
- Swedish - SV (644 KB)
- Italian - IT (644 KB)
- Korean - KR (644 KB)
- Portuguese - PT (644 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Instruction de manipulation (2659 KB)

Références

[1]. Nanjwade B K, et al. Development and evaluation of intranasal mucoadhesive microspheres of neostigmine bromide[J]. Pharm Anal Acta, 2011, 2(2): 1-6.

[2]. Khorshid AF, et al. Modified carbon paste sensor for the potentiometric determination of neostigmine bromide in pharmaceutical formulations, human plasma and urine. Biosens Bioelectron. 2014 Jan 15;51:143-9. [Content Brief]

[3]. SCHWAB RS, et al. Treatment of myasthenia gravis; prolonged action with multiple-dose tablets of neostigmine bromide and mestinon bromide. J Am Med Assoc. 1957 Oct 12;165(6):671-4. [Content Brief]

[4]. Makkar R, et al. Development and validation of a stability-indicating method for neostigmine bromide: separation, identification and characterization of degradation product using LC-MS and ESI-Q-TOF-MS/MS[J]. Indian Journal of Pharmaceutical Sciences, 2022, 56: 1-13.

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg
DMSO / H₂O	1 mM	3.2982 mL	16.4908 mL	32.9815 mL	82.4538 mL
	5 mM	0.6596 mL	3.2982 mL	6.5963 mL	16.4908 mL
	10 mM	0.3298 mL	1.6491 mL	3.2982 mL	8.2454 mL
	15 mM	0.2199 mL	1.0994 mL	2.1988 mL	5.4969 mL
	20 mM	0.1649 mL	0.8245 mL	1.6491 mL	4.1227 mL
	25 mM	0.1319 mL	0.6596 mL	1.3193 mL	3.2982 mL
	30 mM	0.1099 mL	0.5497 mL	1.0994 mL	2.7485 mL
	40 mM	0.0825 mL	0.4123 mL	0.8245 mL	2.0613 mL
	50 mM	0.0660 mL	0.3298 mL	0.6596 mL	1.6491 mL
	60 mM	0.0550 mL	0.2748 mL	0.5497 mL	1.3742 mL
	80 mM	0.0412 mL	0.2061 mL	0.4123 mL	1.0307 mL
	100 mM	0.0330 mL	0.1649 mL	0.3298 mL	0.8245 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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Keywords

Neostigmine Bromide

1 Cited Publications

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