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

MedKoo CAT#: 206180

CAS#: 1421373-98-9

Description: AZ5104 is a demethylated metabolite of AZD-9291. AZ-5104 was identified to exhibit 5-fold potency compared to AZD-9291, which is currently in clinical trial. AZ5104 is a potent EGFR inhibitor with IC50 of <1 nM, 6 nM, 1 nM, and 25 nM for EGFR (L858R/T790M), EGFR (L858R), EGFR (L861Q), and EGFR (wildtype), respectively.

Chemical Structure

CAS# 1421373-98-9

Theoretical Analysis

MedKoo Cat#: 206180
Name: AZ5104
CAS#: 1421373-98-9
Chemical Formula: C27H31N7O2
Exact Mass: 485.25392
Molecular Weight: 485.58
Elemental Analysis: C, 66.78; H, 6.43; N, 20.19; O, 6.59

Price and Availability

Size Price Availability Quantity
25.0mg USD 150.0 2 Weeks
50.0mg USD 250.0 2 Weeks
100.0mg USD 450.0 2 Weeks
200.0mg USD 750.0 2 Weeks
500.0mg USD 1650.0 2 Weeks
1.0g USD 2950.0 2 Weeks
2.0g USD 5250.0 2 Weeks
Bulk inquiry

Synonym: AZ5104; AZ-5104; AZ 5104. Demethylated AZ9291. metabolite of AZD9291

IUPAC/Chemical Name: N-(5-((4-(1H-indol-3-yl)pyrimidin-2-yl)amino)-2-((2-(dimethylamino)ethyl)(methyl)amino)-4-methoxyphenyl)acrylamide


InChi Code: InChI=1S/C27H31N7O2/c1-6-26(35)30-22-15-23(25(36-5)16-24(22)34(4)14-13-33(2)3)32-27-28-12-11-21(31-27)19-17-29-20-10-8-7-9-18(19)20/h6-12,15-17,29H,1,13-14H2,2-5H3,(H,30,35)(H,28,31,32)


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, not in water

Shelf Life: >2 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 485.58 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

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.

1: Fan F, Zhou M, Ye X, Mo Z, Ma Y, Luo L, Liang X, Liu H, Weng Y, Lin M, Liu X, Cai X, Qian C. BEBT-109, a pan-mutant-selective EGFR inhibitor with potent antitumor activity in EGFR-mutant non-small cell lung cancer. Transl Oncol. 2021 Feb;14(2):100961. doi: 10.1016/j.tranon.2020.100961. Epub 2020 Dec 13. PMID: 33321427; PMCID: PMC7745057.

2: Karaś K, Sałkowska A, Karwaciak I, Walczak-Drzewiecka A, Dastych J, Bachorz RA, Ratajewski M. The Dichotomous Nature of AZ5104 (an EGFR Inhibitor) Towards RORγ and RORγT. Int J Mol Sci. 2019 Nov 17;20(22):5780. doi: 10.3390/ijms20225780. PMID: 31744223; PMCID: PMC6887705.

3: Rood JJM, van Haren MJ, Beijnen JH, Sparidans RW. Bioanalysis of EGFRm inhibitor osimertinib, and its glutathione cycle- and desmethyl metabolites by liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal. 2020 Jan 5;177:112871. doi: 10.1016/j.jpba.2019.112871. Epub 2019 Sep 10. PMID: 31539712.

4: van Hoppe S, Jamalpoor A, Rood JJM, Wagenaar E, Sparidans RW, Beijnen JH, Schinkel AH. Brain accumulation of osimertinib and its active metabolite AZ5104 is restricted by ABCB1 (P-glycoprotein) and ABCG2 (breast cancer resistance protein). Pharmacol Res. 2019 Aug;146:104297. doi: 10.1016/j.phrs.2019.104297. Epub 2019 Jun 5. PMID: 31175939.

5: Koga T, Kobayashi Y, Tomizawa K, Suda K, Kosaka T, Sesumi Y, Fujino T, Nishino M, Ohara S, Chiba M, Shimoji M, Takemoto T, Suzuki M, Jänne PA, Mitsudomi T. Activity of a novel HER2 inhibitor, poziotinib, for HER2 exon 20 mutations in lung cancer and mechanism of acquired resistance: An in vitro study. Lung Cancer. 2018 Dec;126:72-79. doi: 10.1016/j.lungcan.2018.10.019. Epub 2018 Oct 17. PMID: 30527195.

6: Zhou P, Chen G, Gao M, Wu J. Design, synthesis and evaluation of the osimertinib analogue (C-005) as potent EGFR inhibitor against NSCLC. Bioorg Med Chem. 2018 Dec 15;26(23-24):6135-6145. doi: 10.1016/j.bmc.2018.10.018. Epub 2018 Oct 21. PMID: 30442506.

7: Zheng X, Wang W, Zhang Y, Ma Y, Zhao H, Hu P, Jiang J. Development and validation of a UPLC-MS/MS method for quantification of osimertinib (AZD9291) and its metabolite AZ5104 in human plasma. Biomed Chromatogr. 2018 Dec;32(12):e4365. doi: 10.1002/bmc.4365. Epub 2018 Sep 12. PMID: 30119142.

8: Vishwanathan K, So K, Thomas K, Bramley A, English S, Collier J. Absolute Bioavailability of Osimertinib in Healthy Adults. Clin Pharmacol Drug Dev. 2019 Feb;8(2):198-207. doi: 10.1002/cpdd.467. Epub 2018 Apr 23. PMID: 29683562.

9: Floc'h N, Martin MJ, Riess JW, Orme JP, Staniszewska AD, Ménard L, Cuomo ME, O'Neill DJ, Ward RA, Finlay MRV, McKerrecher D, Cheng M, Vang DP, Burich RA, Keck JG, Gandara DR, Mack PC, Cross DAE. Antitumor Activity of Osimertinib, an Irreversible Mutant-Selective EGFR Tyrosine Kinase Inhibitor, in NSCLC Harboring EGFR Exon 20 Insertions. Mol Cancer Ther. 2018 May;17(5):885-896. doi: 10.1158/1535-7163.MCT-17-0758. Epub 2018 Feb 26. PMID: 29483211; PMCID: PMC5932243.

10: Hanker AB, Brewer MR, Sheehan JH, Koch JP, Sliwoski GR, Nagy R, Lanman R, Berger MF, Hyman DM, Solit DB, He J, Miller V, Cutler RE Jr, Lalani AS, Cross D, Lovly CM, Meiler J, Arteaga CL. An Acquired HER2T798I Gatekeeper Mutation Induces Resistance to Neratinib in a Patient with HER2 Mutant-Driven Breast Cancer. Cancer Discov. 2017 Jun;7(6):575-585. doi: 10.1158/2159-8290.CD-16-1431. Epub 2017 Mar 8. Erratum in: Cancer Discov. 2019 Feb;9(2):303. PMID: 28274957; PMCID: PMC5457707.

11: Brown K, Comisar C, Witjes H, Maringwa J, de Greef R, Vishwanathan K, Cantarini M, Cox E. Population pharmacokinetics and exposure-response of osimertinib in patients with non-small cell lung cancer. Br J Clin Pharmacol. 2017 Jun;83(6):1216-1226. doi: 10.1111/bcp.13223. Epub 2017 Feb 6. PMID: 28009438; PMCID: PMC5427226.

12: Yates JW, Ashton S, Cross D, Mellor MJ, Powell SJ, Ballard P. Irreversible Inhibition of EGFR: Modeling the Combined Pharmacokinetic-Pharmacodynamic Relationship of Osimertinib and Its Active Metabolite AZ5104. Mol Cancer Ther. 2016 Oct;15(10):2378-2387. doi: 10.1158/1535-7163.MCT-16-0142. Epub 2016 Jul 20. PMID: 27439477.

13: Dickinson PA, Cantarini MV, Collier J, Frewer P, Martin S, Pickup K, Ballard P. Metabolic Disposition of Osimertinib in Rats, Dogs, and Humans: Insights into a Drug Designed to Bind Covalently to a Cysteine Residue of Epidermal Growth Factor Receptor. Drug Metab Dispos. 2016 Aug;44(8):1201-12. doi: 10.1124/dmd.115.069203. Epub 2016 May 25. PMID: 27226351.


25.0mg / USD 150.0

Additional Information