Catalog No.S1156

Capecitabine is a tumor-selective fluoropyrimidine carbamate, which achieves higher intratumoral 5-FU level with lower toxicity than 5-FU.

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Capecitabine  Chemical Structure

Capecitabine Chemical Structure
Molecular Weight: 359.35

Validation & Quality Control

Customer Product Validation(1)

Quality Control & MSDS

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Product Information

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  • Research Area
  • Combination Therapy
    Combination Therapy

Product Description

Biological Activity

Description Capecitabine is a tumor-selective fluoropyrimidine carbamate, which achieves higher intratumoral 5-FU level with lower toxicity than 5-FU.
Targets Thymidine phosphorylase [1]
In vitro Both LS174T WT and LS174T-c2 cells show significantly greater sensitivity to Capecitabine when cultivated in the same plates as HepG2 hepatoma with IC50 values of 890 and 630 μM in LS174T WT alone and cultivated with HepG2, respectively. In addition, for the LS174T-C2 subline, the IC50 falls from 330 ± 4 down to 89 ± 6 μm when cultivated in the same plates as hepatoma cells. Furthermore, Capecitabine induces apoptosis in a Fas-dependent manner, and shows a 7-fold higher cytotoxicity and markedly stronger apoptotic potential in thymidine phosphorylase (TP)-transfected LS174T-c2 cells. [1]
In vivo In the human cancer xenograft models studied, Capecitabine is more effective in a wider dose range and has a broader spectrum of antitumor activity than 5-FU, UFT or its intermediate metabolite 5'-DFUR, which can be correlated with tumor dThdPase levels. [2] Capecitabine inhibits tumor growth and metastatic recurrence after resection of human hepatocellular carcinoma (HCC) in highly metastatic nude mice model which is attributed to the high expression of platelet-derived endothelial cell growth factor in tumors. [3]
Features A tumor-selective fluoropyrimidine carbamate.

Protocol(Only for Reference)

Cell Assay: [1]

Cell lines HepG2, LS174T WT and LS174T-c2 cells
Concentrations ~1 mM
Incubation Time 72 hours
Method HepG2 and either LS174T WT or LS174T-c2 cells are seeded, respectively, in the top and bottom chambers of 8-well strip membranes in 96-well plates. The exponentially growing cells are exposed to increasing concentrations of capecitabine. The medium is supplemented with 750 ng/mL ZB4 MoAB or 100 ng/mL BR17 MoAB when the latter are used in the experiments. After 72 hours of continuous exposure, LS174T viability is assessed using the classic colorimetric MTT test.

Animal Study: [2]

Animal Models BALB/c nu/nu mice are inoculated s.c. with small pieces of CXF280 xenograft tissues
Formulation Capecitabine is dissolved in water.
Dosages ≤1.5 mM/kg/day
Administration Administered via p.o.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesMouseRatRabbitGuinea pigHamsterDog
Weight (kg)
Body Surface Area (m2)0.0070.0250.
Km factor36128520
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)


[1] Ciccolini J, et al. Mol Cancer Ther. 2002, 1(11), 923-927.

[2] Ishikawa T, et al. Biochem Pharmacol. 1998, 55(7), 1091-1097.

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Clinical Trial Information( data from, updated on 2016-01-10)

NCT Number Recruitment Conditions Sponsor
Start Date Phases
NCT02574455 Not yet recruiting Breast Cancer Immunomedics, Inc. April 2016 Phase 3
NCT02586610 Not yet recruiting Rectal Cancer|Rectal Neoplasm Osama Rahma, MD|Hoosier Cancer Research Network|Merck Sha  ...more Osama Rahma, MD|Hoosier Cancer Research Network|Merck Sharp & Dohme Corp. March 2016 Phase 2
NCT02611960 Not yet recruiting Nasopharyngeal Neoplasms Merck Sharp & Dohme Corp. March 2016 Phase 2
NCT02560298 Not yet recruiting Anal Basaloid Carcinoma|Anal Canal Cloacogenic Carcinoma|Anal Squamous Cell Carcinoma|Metastatic Anal Canal Carcinoma|Recurrent Anal Canal Carcinom  ...more Anal Basaloid Carcinoma|Anal Canal Cloacogenic Carcinoma|Anal Squamous Cell Carcinoma|Metastatic Anal Canal Carcinoma|Recurrent Anal Canal Carcinoma|Stage IIIB Anal Canal Cancer|Stage IV Anal Canal Cancer ECOG-ACRIN Cancer Research Group|National Cancer Institut  ...more ECOG-ACRIN Cancer Research Group|National Cancer Institute (NCI)|Eastern Cooperative Oncology Group February 2016 Phase 2
NCT02298010 Not yet recruiting Stomach Neoplasms|Cancer of Lymph Node Seoul National University Hospital|Saint Vincents Hospita  ...more Seoul National University Hospital|Saint Vincents Hospital, Korea|Gachon University Gil Medical Center|Gangnam Severance Hospital|Kyungpook National University|Kyunghee University Medical Center|Keimyung University Dongsan Medical Center|Korea University Guro Hospital|Korea University Anam Hospital|Kosin University Gospel Hospital|National Cancer Center, Korea|Seoul Veterans Hospital|Seoul National University Bundang Hospital|Soonchunhyang University Hospital|Severance Hospital|Ajou University|Yeungnam University|Korea Cancer Center Hospital|Ewha Womans University Mokdong Hospital|Chonbuk National University Hospital|Chonnam National University Hospital February 2016 --

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Chemical Information

Download Capecitabine SDF
Molecular Weight (MW) 359.35


CAS No. 154361-50-9
Storage 3 years -20℃powder
6 months-80℃in solvent
Synonyms RO 09-1978
Solubility (25°C) * In vitro DMSO 72 mg/mL (200.36 mM)
Ethanol 72 mg/mL (200.36 mM)
Water 6 mg/mL (16.69 mM)
In vivo
* <1 mg/ml means slightly soluble or 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 Name pentyl 1-((2R,3R,4S,5R)-3,4-dihydroxy-5-methyl-tetrahydrofuran-2-yl)-5-fluoro-2-oxo-1,2-dihydropyrimidin-4-ylcarbamate

Customer Product Validation (1)

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Source Dr. Helen Sadik of Johns Hopkins University. Capecitabine purchased from Selleck
Method MTT assay
Cell Lines MCF7 cells, MCF10A cells
Concentrations 0.001-100 μM
Incubation Time 48 h
Results Capecitabine potently inhibited the survival of MCF10A cells and MCF7 cells in a dose-dependent manner.

Tech Support & FAQs

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