Name: Citric acid
Brand: Selleck Chemicals
SKU: S5761
Availability: InStock
Rating: 5 (2 reviews)

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Quality Control

Batch: S576101 DMSO]38 mg/mL]false]]]false]]]false Purity: 98%

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

98

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Solubility

In vitro
Batch:

DMSO : 38 mg/mL (197.79 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

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.	4.2mg/ml (21.86mM)	Taking the 1 mL working solution as an example, add 50 μL of 84 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.	0.6mg/ml (3.12mM)	Taking the 1 mL working solution as an example, add 50 μL of 12 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	192.12	Formula	C₆H₈O₇	Storage (From the date of receipt)	3 years -20°C powder
CAS No.	77-92-9	--		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent

Read more about storage stability stock solution CAS number

Mechanism of Action

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2026-07-14)

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
NCT07700277	NOT_YET_RECRUITING	Lower Gastrointestinal Disorder; Tolerance	Ottawa Hospital Research Institute	2026-08-01	EARLY_PHASE1
NCT07531901	RECRUITING	Cough Reflex Sensitivity	University of Montana	2026-07-15
NCT05775614	ENROLLING_BY_INVITATION	Catheter Blockage	Odense University Hospital	2022-05-01
NCT07708792	NOT_YET_RECRUITING	Gingival Pigmentation	Dijlah University	2026-08
NCT07206524	RECRUITING	Hemodialysis; Thromboinflammation; Hemodialysis Complication; End Stage Renal Disease (ESRD)	Universitair Ziekenhuis Brussel	2025-06-05
NCT05592327	UNKNOWN	Peri-Implantitis; Implant Infection; Microbial Disease	Universitat Internacional de Catalunya	2022-11-03

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Handling Instructions

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Citric acid

Chemical Structure

Molecular Weight: 192.12