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

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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 2016-07-30)

NCT Number Recruitment Conditions Sponsor
Start Date Phases
NCT02767752 Not yet recruiting Pancreatic Cancer Herlev Hospital|GENIS September 2016 Phase 2
NCT00960544 Not yet recruiting Breast Cancer M.D. Anderson Cancer Center|Myriad Genetic Laboratories,  ...more M.D. Anderson Cancer Center|Myriad Genetic Laboratories, Inc. September 2016 Phase 2
NCT02831179 Not yet recruiting Functional Pancreatic Neuroendocrine Tumor|Malignant Somatostatinoma|Merkel Cell Carcinoma|Metastatic Adrenal Gland Pheochromocytoma|Metastatic Car  ...more Functional Pancreatic Neuroendocrine Tumor|Malignant Somatostatinoma|Merkel Cell Carcinoma|Metastatic Adrenal Gland Pheochromocytoma|Metastatic Carcinoid Tumor|Multiple Endocrine Neoplasia Type 1|Multiple Endocrine Neoplasia Type 2A|Multiple Endocrine Neoplasia Type 2B|Neuroendocrine Neoplasm|Non-Functional Pancreatic Neuroendocrine Tumor|Pancreatic Glucagonoma|Pancreatic Insulinoma|Recurrent Adrenal Cortex Carcinoma|Recurrent Adrenal Gland Pheochromocytoma|Recurrent Merkel Cell Carcinoma|Somatostatin-Producing Neuroendocrine Tumor|Stage III Adrenal Cortex Carcinoma|Stage III Thyroid Gland Medullary Carcinoma|Stage IIIA Merkel Cell Carcinoma|Stage IIIB Merkel Cell Carcinoma|Stage IV Adrenal Cortex Carcinoma|Stage IV Merkel Cell Carcinoma|Stage IVA Thyroid Gland Medullary Carcinoma|Stage IVB Thyroid Gland Medullary Carcinoma|Stage IVC Thyroid Gland Medullary Carcinoma|Thymic Carcinoid Tumor|VIP-Producing Neuroendocrine Tumor|Well Differentiated Adrenal Cortex Carcinoma|Zollinger Ellison Syndrome Vanderbilt-Ingram Cancer Center|National Cancer Institute  ...more Vanderbilt-Ingram Cancer Center|National Cancer Institute (NCI) August 2016 Phase 1
NCT02795988 Not yet recruiting Gastrointestinal Neoplasms|Adenocarcinoma Imugene Limited August 2016 Phase 1|Phase 2
NCT02574455 Not yet recruiting Breast Cancer Immunomedics, Inc. July 2016 Phase 3

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Chemical Information

Download Capecitabine SDF
Molecular Weight (MW) 359.35


CAS No. 154361-50-9
Storage 3 years -20℃powder
2 years -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

Tech Support

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