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MedKoo CAT#: 319739

CAS#: 439085-51-5

Description: Vapendavir, also known as BTA-798, is a capsid binder (CB). Vapendavir efficiently inhibit the in vitro replication of 21 EV71 strains/isolates that are representative of the different genogroups A, B, and C.

Price and Availability

Size Price Shipping out time Quantity
Inquire bulk and customized quantity

Pricing updated 2020-07-14. Prices are subject to change without notice.

Vapendavir is not in stock, but 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 to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 319739
Name: Vapendavir
CAS#: 439085-51-5
Chemical Formula: C21H26N4O3
Exact Mass: 382.2005
Molecular Weight: 382.464
Elemental Analysis: C, 65.95; H, 6.85; N, 14.65; O, 12.55

Synonym: Vapendavir; BTA-798; BTA798; BTA 798

IUPAC/Chemical Name: 3-ethoxy-6-(2-(1-(6-methylpyridazin-3-yl)piperidin-4-yl)ethoxy)benzo[d]isoxazole


InChi Code: InChI=1S/C21H26N4O3/c1-3-26-21-18-6-5-17(14-19(18)28-24-21)27-13-10-16-8-11-25(12-9-16)20-7-4-15(2)22-23-20/h4-7,14,16H,3,8-13H2,1-2H3


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, not in water

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: Sun L, Meijer A, Froeyen M, Zhang L, Thibaut HJ, Baggen J, George S, Vernachio J, van Kuppeveld FJ, Leyssen P, Hilgenfeld R, Neyts J, Delang L. Antiviral Activity of Broad-Spectrum and Enterovirus-Specific Inhibitors against Clinical Isolates of Enterovirus D68. Antimicrob Agents Chemother. 2015 Dec;59(12):7782-5. doi: 10.1128/AAC.01375-15. Epub 2015 Sep 14. PubMed PMID: 26369972; PubMed Central PMCID: PMC4649165.

2: Tijsma A, Franco D, Tucker S, Hilgenfeld R, Froeyen M, Leyssen P, Neyts J. The capsid binder Vapendavir and the novel protease inhibitor SG85 inhibit enterovirus 71 replication. Antimicrob Agents Chemother. 2014 Nov;58(11):6990-2. doi: 10.1128/AAC.03328-14. Epub 2014 Sep 8. PubMed PMID: 25199773; PubMed Central PMCID: PMC4249361.