WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 598394

CAS#: 109260-82-4 (free base)

Description: Lapyrium is a cationic surfactant that is used in personal care products as a biocide and antistatic agent. It is also used in waste-water treatment and corrosion inhibition formulations. It is primarily used as the chloride salt, lapyrium chloride.

Chemical Structure

CAS# 109260-82-4 (free base)

Theoretical Analysis

MedKoo Cat#: 598394
Name: Lapyrium
CAS#: 109260-82-4 (free base)
Chemical Formula: C21H35N2O3
Exact Mass: 363.2642
Molecular Weight: 363.52
Elemental Analysis: C, 69.39; H, 9.71; N, 7.71; O, 13.20

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales or click below button.
Note: Price will be listed if it is available in the future.

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Related CAS #: 109260-82-4 (free base)  

Synonym: Lapyrium; Lapyrium cation;

IUPAC/Chemical Name: 1-(2-((2-(dodecanoyloxy)ethyl)amino)-2-oxoethyl)pyridin-1-ium


InChi Code: InChI=1S/C21H34N2O3/c1-2-3-4-5-6-7-8-9-11-14-21(25)26-18-15-22-20(24)19-23-16-12-10-13-17-23/h10,12-13,16-17H,2-9,11,14-15,18-19H2,1H3/p+1


Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.03.00

Preparing Stock Solutions

The following data is based on the product molecular weight 363.52 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Baldessari A. Lipases as catalysts in synthesis of fine chemicals. Methods Mol Biol. 2012;861:445-56. doi: 10.1007/978-1-61779-600-5_25. PubMed PMID: 22426733.

2: Flannigan SA, Smolensky MH, Harrist R, Brown RL, Menon VK, McGovern JP. Scapular reactivity to contact irritants: application-time and area variations. Chronobiologia. 1984 Apr-Jun;11(2):93-107. PubMed PMID: 6745010.

3: Flannigan SA, Smith RE, McGovern JP. Intraregional variation between contact irritant patch test sites. Contact Dermatitis. 1984 Feb;10(2):123-4. PubMed PMID: 6713839.