L-cysteine

Name: L-cysteine
Brand: Selleck Chemicals
SKU: S5635
Rating: 5 (1 reviews)

Catalog No.S5635 Purity:98%

Cysteine is a naturally occurring, sulfur-containing amino acid which is important for protein synthesis, detoxification, and also exerts diverse metabolic functions.

L-cysteine Chemical Structure

CAS No. 52-90-4

Purity & Quality Control

Batch: S563501 Water]24 mg/mL]false]DMSO]Insoluble]false]]]false Purity: 98%

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Biological Activity

Description	Cysteine is a naturally occurring, sulfur-containing amino acid which is important for protein synthesis, detoxification, and also exerts diverse metabolic functions.

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
Clinical Trial Information (data from https://clinicaltrials.gov, updated on 2024-05-22)
NCT04818034	Recruiting	Cystinuria	University of California San Francisco	May 2 2025	Phase 2
NCT04520139	Not yet recruiting	Ovarian Cancer\|Cognitive Impairment	University of California Irvine\|Jarrow Formulas Inc	December 2024	Phase 1\|Phase 2
NCT05793372	Not yet recruiting	Alzheimer Disease\|Homocystinemia	Central Hospital Nancy France	June 2023	--
NCT05557448	Recruiting	Hepatitis	Sinew Pharma Inc.\|Taipei Veterans General Hospital Taiwan	May 1 2023	Phase 2

Chemical Information & Solubility

Molecular Weight	121.16	Formula	C₃H₇NO₂S
CAS No.	52-90-4	SDF	--
Smiles	C(C(C(=O)O)N)S
Storage (From the date of receipt)	3 years -20°C powder	Storage of Stock Solutions Aliquot the stock solutions to avoid repeated freeze-thaw cycles	1 year-80°Cin solvent
Storage (From the date of receipt)	3 years -20°C powder		1 month-20°Cin solvent

In vitro
Batch:

Water : 24 mg/mL

DMSO : Insoluble ( Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Molecular Weight Calculator

In vivo
Batch:

Add solvents to the product individually and in order.

In vivo Formulation Calculator

Preparing Stock Solutions

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
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Dilution Calculator Molecular Weight Calculator

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.

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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