Date published: 2025-12-17

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4-Hydroperoxy Cyclophosphamide (CAS 39800-16-3)

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Alternate Names:
2-[Bis(2-chloroethyl)amino]tetrahydro-2-oxido-2H-1,3,2-oxazaphosphorin-4-yl Hydroperoxide; 4-Hydroperoxycyclofosfamide; Asta 6496
Application:
4-Hydroperoxy Cyclophosphamide is a metabolite of cyclophosphamide
CAS Number:
39800-16-3
Purity:
≥95%
Molecular Weight:
293.08
Molecular Formula:
C7H15Cl2N2O4P
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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4-Hydroperoxy Cyclophosphamide is a metabolite of cyclophosphamide (sc-361165) that has potent immunosuppressive and antineoplastic properties. It crosslinks DNA to induce T cell apoptosis which is independent of death receptor activation. 4-Hydroperoxy Cyclophosphamide also activates mitochondrial death pathways through the production of reactive oxygen pathways.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

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4-Hydroperoxy Cyclophosphamide (CAS 39800-16-3) References

  1. Studies on cyclophosphamide metabolites and their related compounds. 2. Preparation of an active species of cyclophosphamide and related compounds.  |  Takamizawa, A., et al. 1975. J Med Chem. 18: 376-83. PMID: 1121004
  2. Purging with 4-hydroperoxycyclophosphamide.  |  Jones, RJ. 1992. J Hematother. 1: 343-8. PMID: 1345676
  3. Divergent cytotoxic effects of PKC412 in combination with conventional antileukemic agents in FLT3 mutation-positive versus -negative leukemia cell lines.  |  Furukawa, Y., et al. 2007. Leukemia. 21: 1005-14. PMID: 17330105
  4. 4-hydroperoxy-cyclophosphamide mediates caspase-independent T-cell apoptosis involving oxidative stress-induced nuclear relocation of mitochondrial apoptogenic factors AIF and EndoG.  |  Strauss, G., et al. 2008. Cell Death Differ. 15: 332-43. PMID: 18034189
  5. Tumors that acquire resistance to low-dose metronomic cyclophosphamide retain sensitivity to maximum tolerated dose cyclophosphamide.  |  Emmenegger, U., et al. 2011. Neoplasia. 13: 40-8. PMID: 21245939
  6. Biophysical investigations on L1210 mouse leukemia cells treated with activated cyclophosphamide metabolites: determination of selective properties of DNA-interstrand and DNA-protein cross-linking mechanisms (alkaline elution and 31P-NMR-spectroscopy) and some aspects of the combination drug and radiotherapy.  |  Ulmer, W. 1990. Strahlenther Onkol. 166: 157-63. PMID: 2315845
  7. [Experimental studies on combination chemotherapy based on cell cycle analysis].  |  Tsuboi, T. 1985. Nihon Sanka Fujinka Gakkai Zasshi. 37: 629-36. PMID: 2580923
  8. Release of a votile factor from solutions of oxazaphosphorines which damage normal and malignant cells.  |  Blomgren, H. and Hallström, M. 1989. Methods Find Exp Clin Pharmacol. 11: 391-7. PMID: 2747340
  9. Combination of 4-hydroperoxy cyclophosphamide and methotrexate inhibits IL-6/sIL-6R-induced RANKL expression in fibroblast-like synoviocytes via suppression of the JAK2/STAT3 and p38MAPK signaling pathway.  |  Niu, HQ., et al. 2018. Int Immunopharmacol. 61: 45-53. PMID: 29803913
  10. Intradermal administration of 4-hydroperoxy-cyclophosphamide during contact sensitization potentiates effector T cell responsiveness in draining lymph nodes.  |  Boerrigter, GH., et al. 1986. Immunopharmacology. 11: 13-20. PMID: 3485619
  11. Detection of induced tumour-resistance to cyclophosphamide by the in vitro short term test.  |  Volm, M., et al. 1977. Arch Gynakol. 223: 249-57. PMID: 579579
  12. Comparative study on the effects of cyclophosphamide on yeast in vitro and in the host-mediated assay: DNA damage and biological response.  |  Ogorek, B., et al. 1981. Chem Biol Interact. 37: 141-54. PMID: 7026064
  13. Toxicity, interstrand cross-links and DNA fragmentation induced by 'activated' cyclophosphamide in yeast: comparative studies on 4-hydroperoxy-cyclophosphamide, its monofunctional analogon, acrolein, phosphoramide mustard, and nor-nitrogen mustard.  |  Fleer, R. and Brendel, M. 1982. Chem Biol Interact. 39: 1-15. PMID: 7037214
  14. Metabolism of cyclophosphamide by aldehyde dehydrogenases.  |  Agarwal, DP., et al. 1995. Adv Exp Med Biol. 372: 115-22. PMID: 7484368
  15. Cisplatin-resistant human small cell lung cancer cell line shows collateral sensitivity to vinca alkaloids.  |  Moritaka, T., et al. 1998. Anticancer Res. 18: 927-33. PMID: 9615743

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

4-Hydroperoxy Cyclophosphamide, 1 mg

sc-206885A
1 mg
$236.00

4-Hydroperoxy Cyclophosphamide, 5 mg

sc-206885
5 mg
$375.00

4-Hydroperoxy Cyclophosphamide, 10 mg

sc-206885B
10 mg
$660.00

4-Hydroperoxy Cyclophosphamide, 25 mg

sc-206885C
25 mg
$1265.00

4-Hydroperoxy Cyclophosphamide, 50 mg

sc-206885D
50 mg
$2336.00

Can this product be dissolved in DMSO?

Asked by: Charmaine
Thank you for your question. This product has been found soluble in DMSO up to at least 30 mg/ml.
Answered by: BlakeJ
Date published: 2023-05-04

Whether 4-HYDROPEROXY CYCLOPHOSPHAMIDEPRODUCT is soluble in water and how long we can store it?

Asked by: Kripa Shanker
We have not tested the solubility of this in water. We have only tested Chloroform, ~3 mg/mL. This is not a very stable molecule and we would not recommend storing in solution, and instead it should be freshly prepared before use.
Answered by: Technical Support
Date published: 2020-12-01

When doing a 24hr cell culture experiment with 4-OOH-CPA, is it pertinent to use a stabilizing agent in the treatment or can I just add the 4-OOH-CPA into the media?

Asked by: Sydflake
Thank you for your question. We have not tested this in a cell culture application so we can not make any recommendation.
Answered by: Technical Support
Date published: 2019-01-26

After reconstituting the 4-HC in chloroform, how long can it be stored for (how long is it good) and at what temperature?

Asked by: Naomi Wedel
Thank you for your question. We have not tested the stability of this chemical, 4-Hydroperoxy Cyclophosphamide: sc-206885, in solution. This is not a very stable molecule, so we do not recommend storing it in solution.
Answered by: Technical Support
Date published: 2023-01-27

Desired solvent: Culture medium after solubilizing in chloroform?

Asked by: Jz28sail
Thank you for your question. The product, sc-206885, 4-Hydroperoxy Cyclophosphamide has been dissolved in chloroform, further diluted into cell culture media, and used in cell culture for cytotoxicity studies. The breakdown products of 4-Hydroperoxy Cyclophosphamide are highly toxic to cells.
Answered by: Chemical Support 5
Date published: 2017-04-17
  • y_2025, m_12, d_13, h_9CST
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Rated 5 out of 5 by from Teicher et alTeicher et al. (PubMed ID 8823498) found that the oxazaphosphorine 4-hydroperoxycyclophosphamide was a potent killing agent of EMT-6 tumor cells. -SCBT Publication Review
Date published: 2015-04-26
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4-Hydroperoxy Cyclophosphamide is rated 5.0 out of 5 by 1.
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