B 746

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

MedKoo CAT#: 584113

CAS#: 103051-26-9

Description: B 746 is an antibacterial agent primarily used in therapy for leprosy and Mycobacterium avium infections as well as against Mycobacterium tuberculosis, including those with multi-drug resistance.

Price and Availability

Size Price Shipping out time Quantity
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Pricing updated 2020-06-03. Prices are subject to change without notice.

B 746 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#: 584113
Name: B 746
CAS#: 103051-26-9
Chemical Formula: C26H20Cl2N4
Exact Mass: 458.1065
Molecular Weight: 459.37
Elemental Analysis: C, 67.98; H, 4.39; Cl, 15.43; N, 12.20

Synonym: B 746; B-746; B746

IUPAC/Chemical Name: Phenazine, 3-p-chloroanilino-10-(p-chlorophenyl)-2-(ethylimino)-2,10-dihydro-


InChi Code: InChI=1S/C26H20Cl2N4/c1-2-29-22-16-26-24(15-23(22)30-19-11-7-17(27)8-12-19)31-21-5-3-4-6-25(21)32(26)20-13-9-18(28)10-14-20/h3-16,30H,2H2,1H3/b29-22+

SMILES Code: CC/N=C1C=C2N(C3=CC=C(Cl)C=C3)C4=C(C=CC=C4)N=C2C=C\1NC5=CC=C(Cl)C=C5

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:
>2 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: Jagannath C, Reddy MV, Kailasam S, O'Sullivan JF, Gangadharam PR. Chemotherapeutic activity of clofazimine and its analogues against Mycobacterium tuberculosis. In vitro, intracellular, and in vivo studies. Am J Respir Crit Care Med. 1995 Apr;151(4):1083-6. PubMed PMID: 7697235.

2: Gangadharam PR, Ashtekar D, O'Sullivan JF. In vitro, in vivo, and intracellular chemotherapeutic activity of B746, a clofazimine analogue against Mycobacterium avium complex. Tuber Lung Dis. 1992 Aug;73(4):192-9. PubMed PMID: 1477384.