Leyk

Cat. No.: HY-118028 Purity: 99.90%: FAQs
Data Sheet SDS COA Handling Instructions

Molarity Calculator

Leyk is a a biochemical assay reagent.

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

Leyk Chemical Structure

CAS No. : 1950-36-3

Size	Price	Stock	Quantity
25 mg	USD 55	In-stock	Estimated Time of Arrival: December 31
50 mg	USD 90	In-stock	Estimated Time of Arrival: December 31
100 mg	USD 150	In-stock	Estimated Time of Arrival: December 31
200 mg		Get quote
500 mg		Get quote

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Purity & Documentation
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Description

Leyk is a a biochemical assay reagent^[1].

Molecular Weight

295.35

Formula

C₁₄H₁₇NO₄S

CAS No.

1950-36-3

Appearance

Solid

Color

White to off-white

SMILES

O=C(C1NC(C(C2=CC=CC=C2)C(OCC)=O)SC1)O

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

Solvent & Solubility

In Vitro:

DMSO : 125 mg/mL (423.23 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	3.3858 mL	16.9291 mL	33.8581 mL
5 mM	0.6772 mL	3.3858 mL	6.7716 mL
10 mM	0.3386 mL	1.6929 mL	3.3858 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. 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)

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

This equation is commonly abbreviated as: C₁V₁ = C₂V₂

In Vivo Dissolution Calculator

Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

Dosing volume
(per animal)

μL

Number of animals

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

Calculation results:

Working solution concentration: mg/mL

Purity & Documentation

Purity: 99.90%

Select Batch:

Data Sheet (272 KB) SDS (392 KB)

COA (254 KB) HNMR (264 KB) RP-HPLC (231 KB) MS (69 KB)

Handling Instructions (2659 KB)

References

[1]. HARUNA H, et al. [THE EFFECT OF LEYK (CYSTEINE DERIVATIVE) ON THE RADIATION INJURY]. Nihon Igaku Hoshasen Gakkai Zasshi. 1963 Sep;23:685-97. [Content Brief]

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg

DMSO	1 mM	3.3858 mL	16.9291 mL	33.8581 mL	84.6453 mL
	5 mM	0.6772 mL	3.3858 mL	6.7716 mL	16.9291 mL
	10 mM	0.3386 mL	1.6929 mL	3.3858 mL	8.4645 mL
	15 mM	0.2257 mL	1.1286 mL	2.2572 mL	5.6430 mL
	20 mM	0.1693 mL	0.8465 mL	1.6929 mL	4.2323 mL
	25 mM	0.1354 mL	0.6772 mL	1.3543 mL	3.3858 mL
	30 mM	0.1129 mL	0.5643 mL	1.1286 mL	2.8215 mL
	40 mM	0.0846 mL	0.4232 mL	0.8465 mL	2.1161 mL
	50 mM	0.0677 mL	0.3386 mL	0.6772 mL	1.6929 mL
	60 mM	0.0564 mL	0.2822 mL	0.5643 mL	1.4108 mL
	80 mM	0.0423 mL	0.2116 mL	0.4232 mL	1.0581 mL
	100 mM	0.0339 mL	0.1693 mL	0.3386 mL	0.8465 mL

Leyk 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:

Leyk1950-36-3Biochemical Assay ReagentsBiochemicalInhibitorinhibitorinhibit

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