Date published: 2026-4-25

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2-Mercaptopurine (CAS 28128-19-0)

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Alternate Names:
2-MP; 2-Purinethiol; 2-Thiopurine
Application:
2-Mercaptopurine is a thiopurine and analog of the anti-cancer drug 6-mercaptopurine (6-MP)
CAS Number:
28128-19-0
Molecular Weight:
152.18
Molecular Formula:
C5H4N4S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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2-Mercaptopurine is a purine analog as an antimetabolite. It is a potent inhibitor of the enzyme hypoxanthine-guanine phosphoribosyltransferase (HGPRT), which plays a role in the salvage pathway of purine nucleotide biosynthesis. By inhibiting this enzyme, 2-mercaptopurine disrupts the synthesis of DNA and RNA, ultimately leading to cell death. 2-Mercaptopurine is particularly useful in the study of purine metabolism and the development of anticancer.


2-Mercaptopurine (CAS 28128-19-0) References

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  2. Tautomerism and infrared spectra of 2-thiopurine: an experimental matrix isolation and theoretical ab initio and density functional theory study.  |  Stepanenko, T., et al. 2001. Spectrochim Acta A Mol Biomol Spectrosc. 57: 375-83. PMID: 11206573
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  6. Nature and position of functional group on thiopurine substrates influence activity of xanthine oxidase--enzymatic reaction pathways of 6-mercaptopurine and 2-mercaptopurine are different.  |  Tamta, H., et al. 2007. Biochemistry (Mosc). 72: 170-7. PMID: 17367294
  7. Overexpression of P-glycoprotein induces acquired resistance to imatinib in chronic myelogenous leukemia cells.  |  Peng, XX., et al. 2012. Chin J Cancer. 31: 110-8. PMID: 22098951
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  9. Functional identification of the hypoxanthine/guanine transporters YjcD and YgfQ and the adenine transporters PurP and YicO of Escherichia coli K-12.  |  Papakostas, K., et al. 2013. J Biol Chem. 288: 36827-40. PMID: 24214977
  10. Support of acute lymphoblastic leukemia cells by nonmalignant bone marrow stromal cells.  |  Usmani, S., et al. 2019. Oncol Lett. 17: 5039-5049. PMID: 31186715
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Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

2-Mercaptopurine, 25 mg

sc-206467
25 mg
$61.00

2-Mercaptopurine, 100 mg

sc-206467A
100 mg
$191.00