Orders received during 11/25~11/29 will be shipped in 11/30/2020 due to Thanksgiving holiday.

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

MedKoo CAT#: 565411


Description: A039 is a highly active bactericidal agent against M. tuberculosis.

Price and Availability

Size Price Shipping out time Quantity
Inquire bulk and customized quantity

Pricing updated 2020-11-25. Prices are subject to change without notice.

A039 is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to sales@medkoo.com to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 565411
Name: A039
Chemical Formula: C23H27ClN2O2
Exact Mass:
Molecular Weight: 398.93
Elemental Analysis: C, 69.25; H, 6.82; Cl, 8.89; N, 7.02; O, 8.02

Synonym: A-039; A 039; A039

IUPAC/Chemical Name: 1-(4-Ethoxyphenyl)-2-(4-methoxyphenyl)-6,7,8,9-tetrahydro-5H-imidazo[1,2-a]azepin-1-ium chloride


InChi Code: InChI=1S/C23H27N2O2.ClH/c1-3-27-21-14-10-19(11-15-21)25-22(18-8-12-20(26-2)13-9-18)17-24-16-6-4-5-7-23(24)25;/h8-15,17H,3-7,16H2,1-2H3;1H/q+1;/p-1

SMILES Code: CCOC1=CC=C([N+](C(C2=CC=C(OC)C=C2)=C3)=C4N3CCCCC4)C=C1.[Cl-]

Technical Data

Solid powder

>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).

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:


1: Mishra A, Dhar B, Singh RM. Nodulation competitiveness between contrasting phage phenotypes of pigeonpea rhizobial strains. Indian J Exp Biol. 2004 Jun;42(6):611-5. PubMed PMID: 15260114.