Yichang Sanxia Proudin Biopharmaceutical Co., Ltd.
Wego Chemical Group Inc
Watanabe Chemical
Tokyo Chemical Industry Co., Ltd.
PerkinElmer Inc.
Kishida Chemical Co.,Ltd.

9 L-Leucine Manufacturers in 2024

This section provides an overview for l-leucine as well as their applications and principles. Also, please take a look at the list of 9 l-leucine manufacturers and their company rankings. Here are the top-ranked l-leucine companies as of February, 2024: 1.Yichang Sanxia Proudin Biopharmaceutical Co., Ltd..

Table of Contents

Supervisor of this article

Okayama University Graduate School, Ph.D. (Agriculture). After working as a specially appointed Assistant Professor at Tokyo Medical and Dental University, a fluid researcher at the Okayama Prefectural Institute of Biological Sciences, and a special researcher (JSPS PD) at the Japan Society for the Promotion of Japan Science, he became independent as a freelancer. Specializes in natural product chemistry, protein engineering, fermentation engineering, and instrumental analysis of chemicals (especially mass spectrometry chemistry). Thesis: https://pubmed.ncbi.nlm.nih.gov/?term=HIROKAZU+USUKI linkedin: https://www.linkedin.com/in/%E5%8D%9A%E4%B8%80-%E8%87%BC%E6%9C%A8-b83827228/

List of 9 L-Leucine Manufacturers

*Including some distributors, etc.

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  • Company Size: largest first
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  • United States of America
  • China
  • Japan
    • PerkinElmer Inc.
      • United States of America Address: 940 Winter Street Waltham, Massachusetts, United States of America

      Manufacturer Overview

      PerkinElmer Inc., founded in 1937, is an American manufacturer headquartered in Waltham, Massachusetts, specializing in laboratory technology and management. The company's product offerings include analysis and characterization instruments, software, and consumables. Such offerings cover chromatography, mass spectrometry, molecular and atomic spectroscopy. They also provide immunoassay and food quality analyzers, as well as the simultaneous thermal analyzer (STA). These products find applications in various industries, such as biopharmaceuticals, food safety, lithium battery, and water resource management. PerkinElmer also offers OneSource Laboratory Services, providing knowledge, application, and service solutions for scientific laboratories. Additionally, their LABStartUp program supports new laboratories with instrumentation, consumables, and funding.

    • Parchem
      • United States of America Address: 15 Huguenot Street, New Rochelle, New York, United States of America

      Distributor Overview

      Parchem was founded in 1999 and headquartered in Rochelle, New York. Parchem is a distributor of industrial chemicals. Parchem serves nutritional, personal care, pharmaceutical, and specialty chemical industries. Parchem offerings include coatings, adhesives, elastomers, industrial products, petrochemicals, oleochemicals, plastics, rubber, nutritional supplements, cosmetics, consumer products, catalysts, metallic salts, rare earths, flavors & fragrances, industrial & institutional, textiles, other food-related chemicals, dyes, finishes, chemicals for aerospace, oil gas drilling chemicals, electronics, and pharmaceuticals.

    • Wego Chemical Group Inc
      • United States of America Address: 239 Great Neck Road Great Neck, New York, United States of America

      Distributor Overview

      Wego Chemical Group was founded in 1978 and headquartered in Great Neck, New York. WEGO is a full-service supplier and distributor of chemicals, minerals, and other raw materials to clients around the world. Markets and segments include agriculture & animal care, chemical & material manufacturing, construction & building materials, electronics, food & beverage, “household, industrial & institutional”, mining, oil & gas, personal care & pharmaceutical, paper & packaging, surface treatment, textiles, and water treatment.

      • Japan Address: NAKANO CENTRAL PARK SOUTH, 4-10-2 Nakano, Nakano-ku, Tokyo, Japan

      Manufacturer Overview

      Kyowa Hakko Bio Co., Ltd. was established in 2008 and is based in Tokyo, Japan, as a manufacturer of pharmaceutical raw materials and ingredients. It specializes in manufacturing bulk pharmaceuticals like citicoline, L-glutathione, and L-ornithine aspartate. It also manufactures raw materials for infusions, dietary supplements, and cosmetics, such as amino acids, peptides, oligosaccharides, and nucleic acids. The company is a subsidiary of Kirin Holdings Company and has obtained ISO 22000:2018, ISO/TS 22002-1:2009, and FSSC 22000 certifications. Its manufactured products are utilized in pharmaceuticals, nutritional supplements, industrial, and cosmetics sectors across Japan, China, the USA, Germany, and Italy.

    • Kishida Chemical Co.,Ltd.
      • Japan Address: 3-1, Honmachibashi, Chuo-ku, Osaka, Japan

      Manufacturer Overview

      Kishida Chemical Co. Ltd., established in 1924 and headquartered in Osaka, Japan, is a manufacturer of reagents and high-purity chemicals and also does drug discovery support activities. Its product portfolio includes fine chemicals, research chemicals, ionic liquid, organic micro-analytical reagents, and chemical reagents for analysis. The products support several industries, including reagent business, battery material, drug discovery, and life science. The company is ISO 14001 certified and supplies several companies worldwide, including Meterion Advanced Chemicals Inc., Acros Organics, ChemBridge Corporation, Decon Laboratories, and InerBioScreen Ltd.

    • Tokyo Chemical Industry Co., Ltd.
      • Tokyo Chemical Industry Co., Ltd.

      • Japan Address: 4-10-1 Nihonbashi-honcho, Chuo-ku, Tokyo, Japan

      Manufacturer Overview

      TCI America (TCI) was founded in 1946 and is a worldwide manufacturer of specialty organic chemicals. The company produces organic laboratory chemicals as well as pharmaceutical, cosmetic, and functional materials. TCI’s product segments include Chemistry, Life Science, Materials Science, Analytical Chemistry, and Custom & Bulk. For materials science, the company manufactures battery materials, nanocarbon materials, and magnetic materials. For life sciences, the company produces antibodies, reagents, and chemicals for cancer research. The company produces HLC, NMR, various chemicals, and resins and media for analytical chemistry.

    • Yichang Sanxia Proudin Biopharmaceutical Co., Ltd.
      • Yichang Sanxia Proudin Biopharmaceutical Co., Ltd.
        L - Leucine

      • China Address: No. 539 Juxiang Road, China HuBei Free Trade Zone Yichang Area Bio-industrial park , HuBei, China

      Manufacturer Overview

      Yichang Sanxia Proudin Biopharmaceutical Co., Ltd., founded in China in 1974, is a manufacturer of Amino Acid series raw materials. The company's product portfolio includes Pharmaceutical Grade Amino Acids, Amino Acids for Special Medical Food, Amino Acids for Medium, High-Purity Pharmaceutical Intermediate Amino Acid and Food Grade Amino Acids. Their products are used in industries such as Food and Beverage, Pharmaceutical and Biotechnology, Chemical and Petrochemical, Environmental Testing and healthcare.

    • Watanabe Chemical

      Manufacturer Overview

      Watanabe Chemical, established in 1951 and headquartered in Osaka, Japan, operates as a manufacturer and supplier of specialty chemicals and advanced materials. The company offers a diverse range of products including fluorinated chemicals, polyurethane additives, functional monomers, specialty resins, and surface modifiers. These products cater to various industries such as electronics, coatings, adhesives, and pharmaceuticals. It holds ISO 9001 certification, showcasing its adherence to quality management systems. The company also has its dark room lab with UV protection lamp to manufacture light-sensitive compounds.

    • nacalai
      • Japan Address: 498 Higashitamaya-cho, Nijo Karasuma, Nakagyo-ku, Kyoto, Japan

      Company Overview

      Nacalai Tesque Inc., founded in 1846 and headquartered in Kyoto, Japan, is a manufacturer of research chemicals, fine chemicals, diagnostics, and the related instruments. Some of its products include cytokines, nucleic acid electrophoresis, cell dissociation reagents, and sialic acid-related products, and it also offers custom and bulk service for bulk reagents and cell culture media. The company has more than 50 domestic distributors and several worldwide, including Asia, the Middle East, Oceania, Europe, and Africa. It is ISO 9001 and ISO 9002 certified, while the Kyoto South brand and Tesque factory are ISO 14001 certified.

L-Leucine Manufacturer Ranking

*Including some distributors, etc.

Ranking as of February 2024

Derivation Method
Rank Company Click Share
1 Yichang Sanxia Proudin Biopharmaceutical Co., Ltd.

Derivation Method

The ranking is calculated based on the click share within the l-leucine page as of February 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.

Number of Employees

  1. PerkinElmer Inc.: 14,000
  2. KYOWA HAKKO BIO CO.,LTD.: 1,941
  3. Kishida Chemical Co.,Ltd.: 283

Newly Established Company

  1. KYOWA HAKKO BIO CO.,LTD.: 2008 (16 years ago)
  2. Parchem: 1999 (25 years ago)
  3. Wego Chemical Group Inc: 1978 (46 years ago)

Company with a History

  1. nacalai: 1934 (90 years ago)
  2. Tokyo Chemical Industry Co., Ltd.: 1946 (78 years ago)
  3. Wego Chemical Group Inc: 1978 (46 years ago)

L-Leucine Manufacturers in United States

*Including some distributors, etc.

Global Distribution of L-Leucine Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
Japan Japan 4 50.0%
United States of America United States of America 3 37.5%
China China 1 12.5%

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