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MedKoo CAT#: 527408

CAS#: 1646857-24-0

Description: BTA-9881, also know as AZD-9639 and MEDI-564, is a viral fusion protein inhibitor potentially for the treatment of respiratory syncytial virus infection.

Price and Availability

Size Price Shipping out time Quantity
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Pricing updated 2020-03-30. Prices are subject to change without notice.

BTA-9881 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 to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 527408
Name: BTA-9881
CAS#: 1646857-24-0
Chemical Formula: C21H15ClN4O2
Exact Mass: 390.0884
Molecular Weight: 390.827
Elemental Analysis: C, 64.54; H, 3.87; Cl, 9.07; N, 14.34; O, 8.19

Synonym: BTA-9881; BTA 9881; BTA9881; AZD-9639; MEDI-564; AZD9639; MEDI564; AZD 9639; MEDI 564

IUPAC/Chemical Name: (S)-9b-(4-chlorophenyl)-1-nicotinoyl-1,2,3,9b-tetrahydro-5H-imidazo[1',2':1,2]pyrrolo[3,4-c]pyridin-5-one


InChi Code: InChI=1S/C21H15ClN4O2/c22-16-5-3-15(4-6-16)21-18-13-24-9-7-17(18)20(28)26(21)11-10-25(21)19(27)14-2-1-8-23-12-14/h1-9,12-13H,10-11H2/t21-/m1/s1

SMILES Code: O=C1N2[C@@](C3=C1C=CN=C3)(C4=CC=C(Cl)C=C4)N(C(C5=CC=CN=C5)=O)CC2

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: Bonfanti JF, Roymans D. Prospects for the development of fusion inhibitors to treat human respiratory syncytial virus infection. Curr Opin Drug Discov Devel. 2009 Jul;12(4):479-87. Review. PubMed PMID: 19562644.