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Vasopressin

Name: Vasopressin
Brand: Selleck Chemicals
SKU: E7127
Availability: InStock
Rating: 5 (1 reviews)

Cat.No.E7127

Vasopressin (Pituitrin) is a neuropeptide that enhances ACTH secretion by potentiating CRH signaling in the pituitary through V1b receptors coupled to calcium–phospholipid pathways. During chronic stress, vasopressin acts as a crucial regulator of the HPA axis, maintaining corticotroph responsiveness and ACTH release even in the presence of elevated glucocorticoid levels.

Chemical Structure

Molecular Weight: 1084.23

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Quality Control

Batch: E712701 DMSO]100 mg/mL]false]Water]Insoluble]false]Ethanol]Insoluble]false Purity: 98.56%

Cited in Nature Medicine for its top-tier quality
COA
SDS
Datasheet

98.56

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Solubility

In vitro
Batch:

DMSO : 100 mg/mL (92.23 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : Insoluble

Ethanol : Insoluble

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
Mass value Mass unit	Concentration value Concentration unit	Volume value Volume unit	Molecular weight (g/mol)

Dilution Calculator Molecular Weight Calculator

In vivo batch selection In vivo Batch:
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Clear solution	5%DMSO 1 40%PEG300 2 5%Tween80 3 50%ddH2O Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	5mg/ml (4.61mM)	Taking the 1 mL working solution as an example, add 50 μL of 100 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.
Clear solution	5% DMSO 1 95% Corn oil Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	0.5mg/ml (0.46mM)	Taking the 1 mL working solution as an example, add 50 μL of 10 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

Dosage: mg/kg

Average weight of animals: g

Dosing volume per animal: μL

Number of animals:

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO

% Tween 80

% ddH₂O

% DMSO

Calculation results:

Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH₂O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Chemical Information, Storage & Stability

Molecular Weight	1084.23	Formula		Storage (From the date of receipt)	3 years-20°Cpowder
CAS No.	11000-17-2	--		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent

Mechanism of Action

References	[1] https://pubmed.ncbi.nlm.nih.gov/11102648/

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Handling Instructions

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