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Diphenhydramine API Suppliers - Manufacturers and Distributors

Find verified Diphenhydramine API manufacturers, suppliers, and distributors across the globe. Explore companies that offer high-purity Diphenhydramine for pharmaceutical use, along with product details, certifications, and reliable sourcing options. Compare prices, check availability, and connect directly with trusted suppliers for Diphenhydramine API.

Diphenhydramine

Alternate Names: Benadryl, Dimedrol

CAS No: 58-73-1

Mol Formula: C₁₇H₂₁NO

Mol Weight: 255.34 g/mol

IUPAC Name: 2-(Diphenylmethoxy)-N,N-dimethylethanamine

API Description: Diphenhydramine is a first-generation antihistamine used to treat allergic reactions, insomnia, and motion sickness.

Diphenhydramine

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"To Our Customers" Kongo Chemical Co., Ltd. was established in October 1941 to manufacture Vitamin B1 and its derivatives and celebrated its 70th Anniversary in 2011. At that time, Kongo was one of the rare chemical companies specialized in organic synthesis on industrial scales n Toyama Prefecture. Since its establishment, Kongo has been contributing to domestic as well as foreign pharmaceutical companies through manufac... "To Our Customers" Kongo Chemical Co., Ltd. was established in October 1941 to manufacture Vitamin B1 and its derivatives and celebrated its 70th Anniversary in 2011. At that time, Kongo was one of the rare chemical companies specialized in organic synthesis on industrial scales in Toyama Prefecture. Since its establishment, Kongo has been contributing to domestic as well as foreign pharmaceutical companies through manufacturing of various active pharmaceutical ingredients (APIs) and pharmaceutical intermediates. In recent years, Kongo has been aggressively devoting custom synthesis of intermediates with complex structures for new medicines, in addition to in-house API-products. Many Kongo’s expert chemists are making every effort to meet various requirements on such contract manufacturing subjects and are solving problems on process optimization and industrial-scale production. It is well known that APIs and pharmaceutical intermediates have to be manufactured under strict quality control. Kongo has intended to properly and timely meet such requirements and has constructed and has been constructing reliable relationships with its customers. It is undoubtedly essential in the recent pharmaceutical industry to continuously improve and update quality assurance systems and to stably manufacture APIs with high quality. Furthermore, development of a competitive process is strongly requested. Recently it is important responsibility for API manufacturers to timely provide customers with accurate information on their products in the global information era of IT. In order to aggressively expand and accelerate custom synthesis business and development of generic APIs, Kongo has made the following investments in plant and equipment: ・expansion of medium- and large-sized facilities for custom synthesis(2009 and 2010) ・construction of a new multi-purpose plant(2011) ・installation of a new clean room/Class 100,000(2012) In order to contribute to chemistry and improvement of quality of life, Kongo continuously makes every effort to evolve its technologies and QA/QC-systems. - Show More

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Albemarle Corporation (NYSE: ALB), headquartered in Charlotte, NC, is a global specialty chemicals company with leading positions in lithium, bromine and refining catalysts. We power the potential of companies in many of the world’s largest and most critical industries, from en rgy and communications to transportation and electronics. Working side-by-side with our customers, we develop value-added, customized solutions that...Albemarle Corporation (NYSE: ALB), headquartered in Charlotte, NC, is a global specialty chemicals company with leading positions in lithium, bromine and refining catalysts. We power the potential of companies in many of the world’s largest and most critical industries, from energy and communications to transportation and electronics. Working side-by-side with our customers, we develop value-added, customized solutions that make them more competitive. Our solutions combine the finest technology and ingredients with the knowledge and know-how of our highly experienced and talented team of operators, scientists and engineers. - Show More

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Xi'an Tian Guangyuan Biotech is a professional company engaged in natural plant extracts, bio-chemical raw materials research and development, production and sale of high-tech technology enterprises. Since the planning and design since 2009, the company established its own indepe dent R & D team, and with the local colleges and universities and research institutions have close relations of cooperation in strict accordance with...Xi'an Tian Guangyuan Biotech is a professional company engaged in natural plant extracts, bio-chemical raw materials research and development, production and sale of high-tech technology enterprises. Since the planning and design since 2009, the company established its own independent R & D team, and with the local colleges and universities and research institutions have close relations of cooperation in strict accordance with the GMP standard requirements of production safety, the company is committed to maintaining the natural nature of raw materials, raw materials to reduce heavy metals and Pesticide residues and other issues. - Show More

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SWATI SPENTOSE PVT. LTD.(SSPL), a pharmaceutical company based in Mumbai, India having 2 manufacturing sites: SSPL Unit 1 and SSPL Unit 2. Please find attached a brief presentation on our company. A USFDA inspected & WHO-GMP certified site, with 3 CEP’S as well as UK-MHRA, EDQM and TGA-Australia compliant API manufacture, specializing in manufacture of Polysaccharides. - Show More

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Shanghai Dongyue Biochem Co., Ltd. is leaded by numbers of professors and doctors as a high-tech private-owned corporation established in Nov.2001, We have being focused on the research and production of optical active chiral compounds, which are mainly anti-AIDS medicines, vascu ar or anti-tumor drugs. In recent two years, our research and development field has been expanded to functional food and food additives with great ac...Shanghai Dongyue Biochem Co., Ltd. is leaded by numbers of professors and doctors as a high-tech private-owned corporation established in Nov.2001, We have being focused on the research and production of optical active chiral compounds, which are mainly anti-AIDS medicines, vascular or anti-tumor drugs. In recent two years, our research and development field has been expanded to functional food and food additives with great achievements. Dongyue comprises two subsidiaries, Shanghai Novolite Chemicals Co., Ltd. and Qidong Dongyue Pharmaceutical Co., Ltd. Novolite has engaged in the trade of medical intermediates and chemical products across Europe, America, Korea and Hong Kong., which promotes the whole enterprise intergrades with international market. Located in Qidong of Jiangsu Province, Qidong Dongyue has a GMP certificate. The advantages in separation and purification ensure high quality and low cost in industrial manufacturing, while most of the products are sold overseas. Qidong Dongyue Pharmaceutical Co., Ltd. has been given the honor of “Most Creative Enterprise” by Qidong government and is crowned as “Top 30 Industrial Enterprise”. Innovation is the soul of Dongyue. Much attention was paid to the mutual growth of the enterprise and employee, and gather huge amount of high quality research staff. With our human resource advantage, we cooperated with famous universities and enterprisecan to master the latest industry trend. Dongyue has grown into a prosperous developing corporation with high quality assets. Under normative management, we pass ISO9001 in 2007. - Show More

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Cerata Pharmaceuticals LLP was established by Mr. Pratik Kansara and Mr. Darshan with a grand vision of being the “most preferred supply partner to pharmaceutical customers worldwide”. The management aimed to achieve this vision with a clear focus on quality, affordability an products at Cerata Pharma is one of the fastest growing manufacturers and distributors of Active Pharmaceutical Ingredients (APIs), Pellets (Semi fi...Cerata Pharmaceuticals LLP was established by Mr. Pratik Kansara and Mr. Darshan with a grand vision of being the “most preferred supply partner to pharmaceutical customers worldwide”. The management aimed to achieve this vision with a clear focus on quality, affordability and products at Cerata Pharma is one of the fastest growing manufacturers and distributors of Active Pharmaceutical Ingredients (APIs), Pellets (Semi finished Formulations) and Intermediates and excipients. - Show More

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OCTAGONCHEM, officially known as Shandong Octagon Chemicals Limited, is a China-based chemical manufacturing and supply company specializing in active pharmaceutical ingredients (APIs), industrial chemicals, compounding chemicals, research chemicals, and laboratory chemicals. The company is headquartered in Yantai, Shandong province, and has been operating since 2011. - Show More

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LGM Pharma is a prominent contract development and manufacturing organization (CDMO) specializing in active pharmaceutical ingredient (API) sourcing and drug product development.

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S M Herbals is a professionally managed company with more than 16 years experience in phytochemicals. The Company has dedicated facilities for manufacturing 10 DAB III (Deacetyl Baccatin) and Camptothecin - precursors for anti-cancer drugs- and has been assigned DMF number by US DA. The Company is also engaged in manufacturing of Quinine Sulphate (Anti-malarial APIs) and Calcium Sennoside. The Company has its own plantations ...S M Herbals is a professionally managed company with more than 16 years experience in phytochemicals. The Company has dedicated facilities for manufacturing 10 DAB III (Deacetyl Baccatin) and Camptothecin - precursors for anti-cancer drugs- and has been assigned DMF number by US FDA. The Company is also engaged in manufacturing of Quinine Sulphate (Anti-malarial APIs) and Calcium Sennoside. The Company has its own plantations to ensure supplies of its major raw material. All products are manufactured under GMP guidelines and audited and approved by several reputed international pharma Companies. - Show More

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Wanbury Limited, one of India’s fastest growing pharmaceutical companies amongst the ‘Top 50 Companies’ in India (as per ORG-IMS), has a strong presence in API global market and domestic branded Formulation. Wanbury’s major trust area lies in Active Pharmaceutical Ingredi nt (API) Sales & Marketing in over 50 countries and Pan-India Formulation presence.Wanbury has a basket of over 13 API products. It is the largest ma...Wanbury Limited, one of India’s fastest growing pharmaceutical companies amongst the ‘Top 50 Companies’ in India (as per ORG-IMS), has a strong presence in API global market and domestic branded Formulation. Wanbury’s major trust area lies in Active Pharmaceutical Ingredient (API) Sales & Marketing in over 50 countries and Pan-India Formulation presence.Wanbury has a basket of over 13 API products. It is the largest manufacturer of Metformin with over 8500 tons per year. It has the larger customer base in Europe & US for Tramadol & Setraline (API) - Show More

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