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

MedKoo CAT#: 207077

CAS#: 2239273-34-6

Description: Etrumadenant, also known as AB928, is a dual antagonist of the A2aR and A2bR adenosine receptors, leads to greater immune activation and reduced tumor growth when combined with chemotherapy

Chemical Structure

CAS# 2239273-34-6

Theoretical Analysis

MedKoo Cat#: 207077
Name: Etrumadenant
CAS#: 2239273-34-6
Chemical Formula: C23H22N8O
Exact Mass: 426.1917
Molecular Weight: 426.484
Elemental Analysis: C, 64.77; H, 5.20; N, 26.27; O, 3.75

Price and Availability

Size Price Availability Quantity
50.0mg USD 450.0 2 Weeks
100.0mg USD 750.0 2 Weeks
200.0mg USD 1350.0 2 Weeks
500.0mg USD 2850.0 2 Weeks
1.0g USD 4450.0 2 Weeks
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Synonym: AB928 ; AB-928; AB 928; etrumadenant

IUPAC/Chemical Name: 3-[2-Amino-6-[1-[[6-(2-hydroxypropan-2-yl)pyridin-2-yl]methyl]triazol-4-yl]pyrimidin-4-yl]-2-methylbenzonitrile


InChi Code: InChI=1S/C23H22N8O/c1-14-15(11-24)6-4-8-17(14)18-10-19(28-22(25)27-18)20-13-31(30-29-20)12-16-7-5-9-21(26-16)23(2,3)32/h4-10,13,32H,12H2,1-3H3,(H2,25,27,28)

SMILES Code: N#CC1=CC=CC(C2=NC(N)=NC(C3=CN(CC4=NC(C(C)(O)C)=CC=C4)N=N3)=C2)=C1C

Appearance: Solid powder

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).

Solubility: 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: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 426.484 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1. Preparation of azolopyrimidine for the treatment of cancer and immune related disorders
By Beatty, Joel; Debien, Laurent; Jeffrey, Jenna; Leleti, Manmohan Reddy; Mandal, Debashis; Miles, Dillon; Powers, Jay; Rosen, Brandon; Thomas-Tran, Rhiannon; Sharif, Ehesan. From PCT Int. Appl. (2018), WO 2018136700 A1 20180726.

Additional Information

The structure of AR928 was from below web pages: