BAY-1251152 racemate

Catalog No. size PriceQuantity
M7011-2 2mg solid $129
M7011-10 10mg solid $535


BAY-1251152 racemate, also known as (±)-BAY-1251152, is a racemic mixture of BAY-1251152. BAY-1251152 is a potent and highly selective PTEF/CDK9 inhibitor. BAY1251152 binds to and blocks the phosphorylation and kinase activity of CDK9, thereby preventing PTEFb-mediated activation of RNA Pol II and leading to the inhibition of gene transcription of various anti-apoptotic proteins. This may cause cell cycle arrest and induce apoptosis, which may lead to a reduction in tumor cell proliferation.

Product information

CAS Number: 1610358-53-6

Molecular Weight: 404.43

Formula: C19H18F2N4O2S


BAY-1251152 racemate


BAY 1251152



Chemical Name: 2-Pyridinamine, 5-fluoro-4-(4-fluoro-2-methoxyphenyl)-N-[4-[(S-methylsulfonimidoyl)methyl]-2-pyridinyl]-

Smiles: COC1=CC(F)=CC=C1C1=CC(NC2=CC(CS(C)(=N)=O)=CC=N2)=NC=C1F


InChi: InChI=1S/C19H18F2N4O2S/c1-27-17-8-13(20)3-4-14(17)15-9-19(24-10-16(15)21)25-18-7-12(5-6-23-18)11-28(2,22)26/h3-10,22H,11H2,1-2H3,(H,23,24,25)

Technical Data

Purity: ≥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).

Shelf Life: ≥360 days if stored properly.

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

Drug Formulation: This drug may be formulated in DMSO

HS Tariff Code: 2934.99.9001

How to use

In Vitro:

In Vivo:


  1. Luecking, et al. Identification of potent and highly selective PTEFb inhibitor BAY 1251152 for the treatment of cancer: from p.o. to i.v. application via scaffold hops [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2017; 2017 Apr 1-5; Washington, DC. Philadelphia (PA): AACR; Cancer Res 2017;77(13 Suppl):Abstract nr 984. doi:10.1158/1538-7445.AM2017-984.

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