We are open as normal during COVID-19 pandemic. Order online, same day shipping out.

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

MedKoo CAT#: 555647

CAS#: 1699717-32-2

Description: BAY-545 is a potent and selective antagonist of the A2B adenosine receptor.

Price and Availability

Size Price Shipping out time Quantity
50mg USD 750 2 Weeks
100mg USD 1250 2 Weeks
200mg USD 1950 2 Weeks
500mg USD 2750 2 Weeks
1g USD 3650 2 Weeks
2g USD 5650 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2020-05-29. Prices are subject to change without notice.

BAY-545, purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 555647
Name: BAY-545
CAS#: 1699717-32-2
Chemical Formula: C18H22F3N3O4S
Exact Mass: 433.1283
Molecular Weight: 433.4462
Elemental Analysis: C, 49.88; H, 5.12; F, 13.15; N, 9.69; O, 14.76; S, 7.40

Synonym: BAY-545; BAY 545; BAY545;

IUPAC/Chemical Name: Thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione, 3-ethyl-6-[(4-hydroxy-1-piperidinyl)carbonyl]-5-methyl-1-(3,3,3-trifluoropropyl)-


InChi Code: InChI=1S/C18H22F3N3O4S/c1-3-23-14(26)12-10(2)13(15(27)22-7-4-11(25)5-8-22)29-16(12)24(17(23)28)9-6-18(19,20)21/h11,25H,3-9H2,1-2H3


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

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: Härter M, Kalthof B, Delbeck M, Lustig K, Gerisch M, Schulz S, Kast R, Meibom
D, Lindner N. Novel non-xanthine antagonist of the A(2B) adenosine receptor: From
HTS hit to lead structure. Eur J Med Chem. 2019 Feb 1;163:763-778. doi:
10.1016/j.ejmech.2018.11.045. Epub 2018 Nov 20. PubMed PMID: 30576906.