KINK-1 hydrochloride

≥98% (HPLC)

Compound A, 7-[2-(Cyclopropylmethoxy)-6-hydroxyphenyl]-5-[(3S)-3-piperidinyl]-1,4-dihydro-2H-pyrido[2,3-d][1,3]oxazin-2-one hydrochloride, 7-[2-(Cyclopropylmethoxy)-6-hydroxyphenyl]-1,4-dihydro-5-(3S)-3-piperidinyl-2H-pyrido[2,3-d][1,3]oxazin-2-one hydrochloride, CmpdA, Bay 65-1942, Kinase Inhibitor of NF-ΚB-1
Empirical Formula (Hill Notation):
C22H25N3O4 · HCl
CAS Number:
Molecular Weight:
MDL number:


≥98% (HPLC)



optical activity

[α]/D -19 to -24°, c = 0.2 in DMF

storage condition



white to beige


DMSO: 2 mg/mL, clear

storage temp.


SMILES string


Biochem/physiol Actions

KINK-1 (Kinase Inhibitor of NF-ΚB-1; Bay 65-1942; CmpdA; Compound A) is an ATP-competitive, IKKβ-selective IΚB kinase (IKK) inhibitor (Ki against ATP = 2 nM/IKKβ and 135 nM/IKKα) that potently inhibits IKKβ-catalyzed GST-IΚBα(1–54) phosphorylation (IC50 = 4 nM, 200 nM ATP) without affecting (IC50 >10μM) IKK3 or 27 other kinases, lipases, phosphatases, caspases, and MMPs. KINK-1 effectively inhibits NF-ΚB activation and cytokines production in various human and murine cultures (IC50 from 18 to 502 nM) and is efficacious against LPS-induced plasma TNF-α production in mice and rats in vivo (EC50 = 9.1 and 6.6 mg/kg p.o., repectively) with good pharmacokinetic profile and oral availability. KINK-1 is also shown to effectively inhibit OVA-induced lung inflammation in a rat model of asthma (ED50 <0.3 mg/kg p.o.) without adverse effects to the animals.


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Karl Ziegelbauer et al.
British journal of pharmacology, 145(2), 178-192 (2005-03-09)
1 Pulmonary inflammatory diseases such as asthma are characterized by chronic, cell-mediated inflammation of the bronchial mucosa. 2 Recruitment and activation of inflammatory cells is orchestrated by a variety of mediators such as cytokines, chemokines, or adhesion molecules, the expression...
Yanting Zhang et al.
Molecular cancer therapeutics, 15(7), 1504-1514 (2016-05-20)
NF-κB plays an important role in many types of cancer, including prostate cancer, but the role of the upstream kinase of NF-κB, IKKβ, in prostate cancer has neither been fully documented nor are there any effective IKKβ inhibitors used in...
Eyra Marien et al.
Oncotarget, 7(11), 12582-12597 (2016-02-11)
Lung cancer is the leading cause of cancer death. Beyond first line treatment, few therapeutic options are available, particularly for squamous cell carcinoma (SCC). Here, we have explored the phospholipidomes of 30 human SCCs and found that they almost invariably...
Margarete Schön et al.
Journal of the National Cancer Institute, 100(12), 862-875 (2008-06-12)
Increasing the efficacy of chemotherapeutics by reducing chemoresistance may be a useful strategy in cancer therapy. Constitutive activation of nuclear factor-kappa B (NF-kappaB) is a hallmark of various cancers, including melanoma, which is almost universally resistant to chemotherapy. NF-kappaB is...
Kenneth A Fowler et al.
Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation, 23(4), 569-580 (2017-02-06)
Idiopathic pneumonia syndrome (IPS) is a noninfectious inflammatory disorder of the lungs that occurs most often after fully myeloablative allogeneic hematopoietic stem cell transplantation (HSCT). IPS can be severe and is associated with high 1-year mortality rates despite existing therapies....

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