Inhibitor Expert (Inhibitors, Compound Libraries)



Technical Data

Molecular Weight 380.44 Storage powder

C24 H20 N4 O

in solvent
CAS No. 1206711-16-1 Synonyms N/A
Chemical Name Quinoline, 4-[6-[4-(1-methylethoxy)phenyl]pyrazolo[1,5-a]pyrimidin-3-yl]-
Solubility (25°C) * In vitro DMSO 22 mg/mL warmed (57.82 mM)
Water Insoluble
Ethanol Insoluble
In vivo 2% DMSO+35% PEG 300+2% Tween 80+ddH2O 2mg/mL
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Biological Activity

Description DMH1 is a selective BMP receptor inhibitor with IC50 of 107.9 nM for ALK2, exhibiting no inhibition on AMPK, ALK5, KDR (VEGFR-2) or PDGFR.
ALK2 [1]
(Cell-free assay)
107.9 nM
In vitro DMH1 inhibits BMP signaling with IC50 of 100 nM, and selectively inhibits the BMP-induced Smad1/5/8 activation. [1] DMH1 increases cardiomyocyte progenitors and promotes cardiac differentiation in mouse embryonic stem cells. [3] In addition, DMH1 as a BMP inhibitor, significantly reduces NSCLC cell growth, migration and invasion. [4]
In vivo DMH1 dorsalizes the embryonic axis without disrupting the angiogenic process in Zebrafish embryos. [1] In proepicardial explants, DMH1 results in the greatest inhibition of epithelial sheet migration. [2] DMH1 (5 mg/kg i.p.)attenuates xenograft lung tumor growth in mice bearing A549 xenograft. [4]

Protocol (Only for Reference)

Kinase Assay: [1]
Kinase assay All kinase assays are conducted by Reaction Biology Corp. In brief, compounds are tested at 10 concentrations by 3-fold serial dilutions starting at 30 μM, using nonspecific kinase inhibitor staurosporine as control. In vitro kinase reactions are carried out in the presence of 10 μM (33P)γATP. Five kinases tested are the human BMP type-I receptor activin receptor-like kinase 2 (ALK-2/ACVR1), the human TGFβ type-I receptor activin receptor-like kinase 5 (Alk5/TGFβR1), the human VEGF type-II receptor (KDR/Flk-1/VEGFR2), the human AMP-activated protein kinase (AMPK/A1/B1/G1) and the human platelet-derived growth factor receptor-β (PDGFRβ).
Cell Assay: [4]
Cell lines A549 cells
Concentrations ~5 μM
Incubation Time 48-96 hours
Method About 10,000 A549 cells per well are seeded in 96-well plates and incubated for overnight. The culture medium is then changed to fresh medium containing DMSO or DMH1 at various concentrations. The cells are then incubated for 48 hours and 96 hours before treatment termination by replacing the medium with 100 μL of 10% trichloroacetic acid in 1× PBS, followed by incubation at 4°C for at least 1 hour. Subsequently, the plates are washed with water and air dried. The plates are stained with 50 μL 0.4% sulphorhodamine assay in 1% acetic acid for 30 minutes at room temperature. Unbound dye is washed off with 1% acetic acid. After air drying and solubilization of the protein-bound dye in 10 mM Tris solution, absorbance is read in a microplate reader at 565 nm.
Animal Study: [4]
Animal Models Mice bearing A549 xenograft.
Formulation 12.5% 2-hydroxypropyl-β-cyclodextrin every other day
Dosages ~5 mg/kg
Administration i.p.


Customer Product Validation

Data from [Data independently produced by , , Anticancer Res, 2017, 37(8):4319-4327]

The combined treatment with miR-140-5p mimics and some common chemotherapeutics did not have any effect on the SK-MES1 cell line, whereas miR-140-5p and DMH1 and cisplatin decreased the proliferation of the A549 cells. Data are presented as mean±SEM of three individual experiments undertaken in triplicate. t-Test was used to assess significance with *p<0.05.

DMH1 has been referenced in publications.



Specific storage and handling information for each product is indicated on the product datasheet. Most Selleck products are stable under the recommended conditions. Products are sometimes shipped at a temperature that differs from the recommended storage temperature. Short-term storage of many products are stable in the short-term at temperatures that differ from that required for long-term storage.
We ensure that the product is shipped under conditions that will maintain the quality of the reagents. Upon receipt of the product, follow the storage recommendations on the product data sheet.

Chemical Structure

* Return Policy

Selleck Chemical’s Unconditional Return Policy ensures a smooth online shopping experience for our customers. If you are in any way unsatisfied with your purchase, you may return any item(s) within 365 days of its original purchase date.

Toll Free:
(877) 796-6397
-- USA and Canada only --
Tech Support:
+1-832-582-8158 Ext:3
Please provide your Order Number in the email. We strive to reply to all email inquiries within one business day.