2,3,5,6-tetrahydro-4-pyranone

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing.

We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures.

We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength.

Our products range from natural gas, oil and basic chemical products through innovative intermediates to specialties, high value-added chemicals, crop protection products and pharmaceuticals.

Send an inquiry on 2,3,5,6-tetrahydro-4-pyranone to BuGuCh & Partners

Chemos® is a leading supplier of ready to use solutions for the lab and chemical industry. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. We are supplying and producing lab quantities from tiny quantities up to 100 metric tons for worldwide shipping.

We are the specialist when you require complete new raw materials or hard to find products with a dedicated specification. Through our network of custom manufacturing companies and our own customizing capabilities, we could offer raw materials and ready to use solutions as requested. Our extended service portfolio around product supply and documentation like safety data sheet service is a unique combination and our offer to you.

Chemos® Solutions through service is the base of our activities. We are a service provider with manufacturing capabilities. We continue where other will stop since more than 24 years. Take advantage from our experience and contact us.

Chemos® is a registered trademark of Chemos GmbH&Co.KG.

Send an inquiry on 2,3,5,6-tetrahydro-4-pyranone to Chemos GmbH & Co. KG

CM Fine Chemicals, being a privately owned Swiss company, has been manufacturing and providing fine chemicals, intermediates and reagents to all kind of industries and research organizations all over the world.

Since 1997 our high quality fine chemicals are used from lab to commercial quantities in many different applications.

We are your innovative, flexible and reliable partner for any hard-to-find molecule!

Whether a complex compound or just hard-to-find - we can supply a cost effective material with a high sustainable quality.

Some of our strong product groups are:
- Alcohols
- Aldehydes
- Amines
- Aromatics
- Boronic acids
- Botanical extracts
- Carboxylic acids
- Chiral compounds
- Fluorinated compounds
- Heterocyclics
- Nitriles
- Ketones
- Phosphorus compounds

Send an inquiry on 2,3,5,6-tetrahydro-4-pyranone to CM Fine Chemicals

Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. As a technology innovative and service professional enterprise, Our company mainly engages in global pharmaceutical, chemical and biological service.

After years of development, our company has accumulated abundant products resources in local China and international market which increasingly satisfy development requirements of customers. The products includes fine chemicals, food / feed additives, APIs, pesticides, dyes and pharmaceutical .

Our vision is to supply our customers with the highest quality ingredients with competitive price and excellent service through our professional knowledge. We will achieve our vision by working closely with our partners from all over the world.



Send an inquiry on 2,3,5,6-tetrahydro-4-pyranone to Hangzhou Keying Chem Co., Ltd.

Minakem is a unique fine chemical manufacturer specializing in custom manufacturing for the pharmaceutical industry.

With over 50 years experience, our cGMP facility located in the north of France offers a wide range of expertise and experience. Over 25 PhD’s are dedicated to process development, organic synthesis and analysis. SEAC’s strength clearly lies in taking complex, high-value intermediates and API’s from the laboratory and efficiently scaling-up procedures for commercial optimization. Over 70 new syntheses are achieved each year and no 'sample' ever leaves our laboratories without a fully scalable process ready for the plant. Our cGMP kilo lab and pilot plant are fully integrated on-site with commercial operations making total reactor capacity over 150 m3.

With its specific organization of the scientific and technical resources, MINAKEM can achieve efficient scale-up in a timely fashion and deliver process and quantities in compliance with the timing of the development of your new molecules.

Specific technologies include extreme temperature conditions (-100ºC to +300ºC), hydrogenations and reactions under pressure, cyanidiation, chiral and heterocyclic chemistries. In addition to our strong foundation in manufacturing cyclic alkanes, we also are capable of handling specific reagents like Zn(Et)2, NaBH4, BuLi, Br2, Cl2, ClSO3H, NH2,-NH2, and LDA to name a few.

Safety of our employees and care of the environment is also evident and our plant is SEVESO II approved.

Project confidentiality is paramount at Minakem. We have prepared and currently hold 4 DMF's and one VMF's on record. An FDA inspection is scheduled for July 2002.
Send an inquiry on 2,3,5,6-tetrahydro-4-pyranone to Minakem SAS