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Cell counting solution: Orangu

The Orangu™ Cell Couting Solution from Cell Guidance Systems is a non-cytotoxic, highly sensitive assay for cell viability determination in cell proliferation and cytotoxicity assays. Using a highly water-soluble tetrazolium salt that is reduced by dehydrogenase activities in viable cells to give an orange-coloured formazan dye, the Orangu assay offers a simple and reliable process for determining viable cell number.

Benefits of using Orangu
• Non-cytotoxic
• Downstream usable cells produced
• Highly sensitive
• Simple, three step protocol
• One bottle solution with no premixing
• Trial samples available

Orangu sensitivity comparison

Orangu sensitivity

Orangu demonstrates higher levels of sensitivity than commonly used alternatives such as MTT, XTT, MTS or WST-1.

Simple, 3-step Orangu protocol

Three simple steps to use Oranguâ„¢

Step one - Add Orangu. Step two - Incubate, Step three - Read OD450
Material available to download
Orangu user guide

Free samples
Request a free sample of Orangu


Note: product availability depends on country - see product detail page.

Details Cat number & supplier Size Price
Oranguâ„¢ Cell Counting Solution, 5 ml OR01-500 · Cell Guidance Systems
Cell Guidance Systems
500 tests £147.00
500 tests
Oranguâ„¢ Cell Counting Solution, 2 * 5 ml OR01-1000 · Cell Guidance Systems
Cell Guidance Systems
1000 tests £227.00
1000 tests