Cyclophosphamide Monohydrate

For research use only.

Catalog No.S2057

14 publications

Cyclophosphamide Monohydrate Chemical Structure

CAS No. 6055-19-2

Cyclophosphamide Monohydrate is a nitrogen mustard alkylating agent, it attaches the alkyl group to the guanine base of DNA, shown to crosslink DNA, causing strand breakage and inducing mutations.

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Selleck's Cyclophosphamide Monohydrate has been cited by 14 publications

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  • Conditional patched mutant tumor cells were treated with increasing concentrations cyclophosphamide (D), alone or in combination with 10 nmol/L BI-2536. Cells were cultured for 48 hours, pulsed with 3H-Td, and harvested for analysis of 3H-Td incorporation at 66 hours. Data represent means of triplicate samples ± SEM.

    Cancer Res, 2013, 73(20):6310-22.. Cyclophosphamide Monohydrate purchased from Selleck.

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Biological Activity

Description Cyclophosphamide Monohydrate is a nitrogen mustard alkylating agent, it attaches the alkyl group to the guanine base of DNA, shown to crosslink DNA, causing strand breakage and inducing mutations.
In vitro

Cyclophosphamide (CY) is a chemotherapeutic agent with a dose-dependent, bimodal effect on the immune system. Cyclophosphamide treatment enhances apoptosis and decreases homeostatic proliferation of regulatory T cells. Cyclophosphamide downregulates the expression of GITR and FoxP3, which are involved in the suppressive activity of T(REGs).[1] Cyclophosphamide increases CYP3A4, CYP2C8, and CYP2C9 protein levels in primary human hepatocyte cultures, which thereby enhances their own rates of 4-hydroxylation in the cultured hepatocytes. [2] Cyclophosphamide has produced mutations in base-pair substituting strains of Salmonella tryphimurium in the presence of metabolic activation, but it has been shown to be negative in the E. coli chromotest. Cyclophosphamide has been shown to produce gene mutations, chromosome aberrations, micronuclei and sister chromatid exchanges in a variety of cultured cells in the presence of metabolic activation as well as sister chromatid exchanges without metabolic activation. [3]

Cell Data
Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
BALB/c 3T3 cells Mo\0R5l1d3SxeHnjbZR6KGG|c3H5 NGfiNWVKdiC4aYTyc{BkgXSxdH;4bYNqfHlid3HzJIV3[Wy3YYTl[EBqdiCvb4Xz[UBmdWK{eX:gRmFNSi:lIEPUN{Bk\WyuczygTWM2OD1|Nz62JO69VQ>? NFvNR3Q6QDd|NEGy
HL60 cells MXHDfZRwfG:6aXPpeJkh[XO|YYm= MkTzR5l1d3SxeHnjbZR6KGGpYXnud5QhcHWvYX6gTGw3OCClZXzsd{BjgSCPVGSgZZN{[XluIFnDOVA:QC55OTFOwG0> NEfFWmszODh3MEOwNy=>

... Click to View More Cell Line Experimental Data

In vivo Cyclophosphamide has also produced chromosome damage and micronuclei in rats, mice and Chinese hamsters, and gene mutations in the mouse spot test and in the transgenic lacZ construct of Muta Mouse. [3] Cyclophosphamide, when given in a defined sequence with a GM-CSF-secreting, neu-expressing whole-cell vaccine, enhances the vaccine's potential to delay tumor growth in neu transgenic mice. Cyclophosphamide mediates its effects by enhancing the efficacy of the vaccine rather than via a direct cytolytic effect on cancer cells. [4]


Solubility (25°C)

In vitro DMSO 55 mg/mL (197.06 mM)
Water 7 mg/mL (25.08 mM)
Ethanol 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.

Chemical Information

Molecular Weight 279.1


CAS No. 6055-19-2
Storage powder
in solvent
Synonyms N/A
Smiles C1CNP(=O)(OC1)N(CCCl)CCCl.O

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Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

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Frequently Asked Questions

  • Question 1:

    Why S2057 Cyclophosphamide Monohydrate shows no activity in vitro assays?

  • Answer:

    Cyclophoshamide is a prodrug and needs Pytochrome P450 to convert it to the active form: 4-hydroxy cyclophosphamide. It is widely used in vivo, if you are going to use it in vitro, you'll have to supplement Pytochrome P450 exogenously.

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID