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

MedKoo CAT#: 563199

CAS#: 329939-05-1

Description: OX3a is an orco antagonist. It acts by inhibiting odorant activation of insect Ors.

Chemical Structure

CAS# 329939-05-1

Theoretical Analysis

MedKoo Cat#: 563199
Name: OX3a
CAS#: 329939-05-1
Chemical Formula: C13H13NOS
Exact Mass: 231.0718
Molecular Weight: 231.31
Elemental Analysis: C, 67.50; H, 5.67; N, 6.06; O, 6.92; S, 13.86

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 @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: OX3a; OX-3a; OX 3a;

IUPAC/Chemical Name: N-(4-Methylbenzyl)-2-thiophenecarboxamide


InChi Code: InChI=1S/C13H13NOS/c1-10-4-6-11(7-5-10)9-14-13(15)12-3-2-8-16-12/h2-8H,9H2,1H3,(H,14,15)


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 231.31 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

Molarity Calculator

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Dilution Calculator

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1: Bertin Y, Boukhors K, Pradel N, Livrelli V, Martin C. Stx2 subtyping of Shiga toxin-producing Escherichia coli isolated from cattle in France: detection of a new Stx2 subtype and correlation with additional virulence factors. J Clin Microbiol. 2001 Sep;39(9):3060-5. PubMed PMID: 11526129; PubMed Central PMCID: PMC88297.

2: Ramachandran V, Hornitzky MA, Bettelheim KA, Walker MJ, Djordjevic SP. The common ovine Shiga toxin 2-containing Escherichia coli serotypes and human isolates of the same serotypes possess a Stx2d toxin type. J Clin Microbiol. 2001 May;39(5):1932-7. PubMed PMID: 11326016; PubMed Central PMCID: PMC88051.

3: Paton AW, Bourne AJ, Manning PA, Paton JC. Comparative toxicity and virulence of Escherichia coli clones expressing variant and chimeric Shiga-like toxin type II operons. Infect Immun. 1995 Jul;63(7):2450-8. PubMed PMID: 7790056; PubMed Central PMCID: PMC173327.