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Brand-new compounds

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NEW!!! OTAVA Ltd. offers a new set of target-focused libraries with Enhanced Intellectual Property Potential. This set of libraries with a variety of novel compounds is an excellent starting point for research chemists and biologists in drug discovery. To design these libraries, our computational chemists performed ligand-based in silico screening of company’s proprietary library of screening compounds. The resulted target-focused libraries consist of unique drug-like compounds. Screening compounds in these libraries are available from OTAVA Ltd. only and they are not distributed by other vendors of organic compounds.

Fragment Library

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OTAVA offers its own specially designed Fragment Library. The central purpose of the library is to provide fragments that will bind to the binding site(s) of any target and will also provide suitable starting points for drug discovery.
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Fluorescent dyes

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Our company specializes in developing and synthesis of fluorescent dyes mostly used in cell biology, biochemistry, molecular biology and neuroscience.In total, hundreds of synthetic dyes of various classes covering the absorbance range from 350 nm to 1100 nm are presented in our company’s product list. Years of experience enables us to serve our customers with products of excellent quality at very competitive prices as well to participate in a number of contract research projects with European and American companies.

Focused Libraries

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For your research needs, Otava proposes unique docking-based, SAR-based, Disease-based and Protein families focused libraries.  Each library contain from 50 to about 2000 compounds selected from OTAVA’s stock collection of 500,000 compounds.

The focused libraries in DB, SD, or XLS format, as well as the price-list, are available on your request. Please contact us!

Multi-kilo products

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Our newly created well-equipped kilo-lab provides multi-kilo scale-up preparation service for the clients.

OTAVA’s experienced staff can recommend solutions for:

• technology transfer from chemistry labs to the kilo lab for scale-up,
• process development, and
• optimization.

We also offer a variety of Bulk Quantity Products.

In-house stock library for prompt delivery

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Our In-house Stock Collection contains about 156,000 compounds. All compounds have undergone quality control to confirm their chemical structures. We offer the possibility to re-supply compounds purchased from us. To develop new promising compounds and to enrich our collection we collaborate with hundreds of chemists from many laboratories in Ukraine and Russia.

Green Collection drug-like compound library

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Our Green Collection compound library (more than 90,000 compounds in total) was prepared on the basis of In-house Stock library and pre-formatted by Lipinski's Rules of Five.

Tangible Compounds library

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About 185,000 compounds are available from our Tangible Compounds collection. External compound suppliers are the main source of Tangible Compounds. ANY compound ordered from this library can be delivered in about 2-4 weeks. This is a unique opportunity to enrich your company's collection of compounds for screening purposes or to order new building blocks not available from other suppliers.

Building blocks

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Our company offers more than 403,000 Building Blocks with many unique structures in multi-gram quantities and purity higher than 95%. These diverse compounds could be used for high-throughput and combinatorial synthesis of pharmaceutical libraries or scale-up of lead compounds for further development.

Diversity sets

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Otava combinatorial libraries PrimScreen1, PrimScreen2, PrimScreen3, PrimScreen5, PrimScreen10 and PrimScreen15 are prepared by diversity sorting using CheD software. Diversity is a property of dataset and characterizes the similarity (or dissimilarity) of molecules included in it. The goal of Diversity calculation and sorting is to select a maximally diverse subset of a given size from a given large pool of candidate molecules. The diverse data set can be used for screening purposes to reduce expenses for compounds testing or compounds selection.