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Trimethoprim

BGC Id:150046835512
CAS No:738-70-5
Synonyms:trimpex ; bw56-72 ; wr5949 ; abaprim ; ipral ; tiempe ; uretrim ; 5-(3,4 ; baktar ; nih 204
Molecular Formula:C14H18N4O3
Molecular Weight:290.32
EINECS:212-006-2
Structural Formula
Listed are 23 international and reliable suppliers for Trimethoprim. They are coming from 4 countries around the world. These vendors belong to 23 different business types like 'Trading company' and 'Bulk and laboratory supplier'
Please contact all the below listed distributors/manufacturers for Trimethoprim and ask for prices, package standards and transport possibilities. Our registered distributors will help you to get all necessary information and product specifications.


supplier ww
registered suppliers of Trimethoprim worldwide

The most competitive supplier in 2026

The following 23 notable providers have been checked and can be recommended.
Chemical-Suppliers
Wuhan PharmChem LTD.
EINECS :212-006-2 Molecular formula :C14H18N4O3
Chemical-Suppliers
Sancai Industry
Appearance White or yellowish-white powder Solubility Very slightly soluble in water, slightly soluble in alcohol. Identification A Melting point 199-203 B Specific absorbance Max.287nm, 240-250 C IR-spectrum Complies with reference spectrum D Chemical reaction Green fluorescence at 365nm Appearance of solution Not more intensely colored than Reference Solution BY7 Related substances Method A by HPLC Impurity F
Chemical-Suppliers
Zehao Industry
Appearance White or yellowish-white powder Melting point 199-203℃ Specific absorbance Max 287nm Any single impurity ≤ 0.1% Total impurities ≤ 0.2% Heavy metals ≤ 20ppm Residual methanol ≤ 3000ppm Residual DMSO ≤ 5000ppm Loss on drying ≤ 1.0% Sulphated ash ≤ 0.1% Assay 98.5%~101.0%

Chemical-Suppliers
Molekula
Molecular Weight : 290.32 Formula : C14H18N4O3 HS Code : 2933599590 Categories : Antibiotics,Bioactive Small Molecules
Chemical-Suppliers
Leap Chem
Molecular Formula: C14H18N4O3 Molecular Weight: 290.32

The last intensive check and update was carried out on 2026/04/12.

Identify

Synonyms:
trimpex ; bw56-72 ; wr5949 ; abaprim ; ipral ; tiempe ; uretrim ; 5-(3,4 ; baktar ; nih 204
CAS:
738-70-5
EINECS:
212-006-2
Molecular Formula:
C14H18N4O3
MDL:
MFCD00036761
SMILES:
C1C(=NN(C1=O)C2=CC=CC=C2)C(F)(F)F

Properties

Molecular Weight:
290.32 g·mol−1
Density:
~1.3 g/cm3 (Predicted)
Melting point:
199-203 °C
Boiling point:
~405.2° C at 760 mmHg (Predicted)
Solubility:
DMSO: soluble
download Download Molfile

Suppliers

B.M.P. Bulk Medicines & Pharmaceuticals GmbH

Company type: Bulk med & pharma supplier
B.M.P. Tylosin phosphate will be also provided by us. GmbH – a GMP and ISO certified company - was founded in 1979 and is part of the B.M.P. Pharma Trading AG which went public in 2001 at the German stock market. The main activities of B.M.P. are focused on the distribution of raw materials to the pharmaceutical, health-food and nutraceutical industries. Our strongest products are amino acids, vitamins, health-food supplements and veterinary products. For most of our products we can supply full product documentation inc ...
Country: Germany   Phone: +49-40-645568-0   Telefax: +49-40-645568-85

Newstar Chem Enterprise Ltd.

Company type: Leading producer
Country: P.R.China
Phone: +86-572-2722882
Telefax: +86-574-2722892
Newstar Chem Enterprise Ltd. is a technology based company located in Huzhou. We have our own factories in Zhejiang Province, Jiangsu province and Shandong province, mainly producing pharmaceutical/veterinary raw material, Food/feed additives, herbal extracts, intermediates and other fine chemicals. Newstar Chem Enterprise Ltd. is a seller of DL-Methionine. Through decades years development, we also established a good long term business relationship with thousands of manufacturers in China and becomes sales agent for them. Most of th ...

AXO Industry SA

Distributor of pharmaceutical, nutraceutical, cosmetic and food raw materials. The raw material in bulk or in tailor-made packings.
Country: Belgium
Phone: +32 10 24 67 28
Telefax: +32 10 24 59 12

Zyntex Ltd

Company type: Bulk chemical supplier
As Zyntex, we have been providing reliable solutions at global standards in the pharmaceutical raw materials and specialty chemicals sector since our establishment. The mission of contributing to human health and supporting technological progress is at the center of our activities. Our wide range of products ranges from pharmaceutical active ingredients to food supplements, from feed additives to innovative chemical products. Our Quality and Trust-Oriented Approach Zyntex ...
Country: Türkiye  

Wuhan PharmChem Co., LTD.

Company type: Import & export company
Country: P.R.China
Phone: +86 27 85835203
Telefax: +86 27 85835203
Wuhan PharmChem CO., LTD. has been a premier chemical supplier distributing high-quality chemicals to businesses in various industries for the whole world. At Wuhan PharmChem, we are committed to excellence.From manufacturing to packaging and delivery, we provide quality, reliability and the highest degree of customer service.Our scope of service is organized/structured around the unique needs of each client.Our mission is establish long-term relationships with our clients b ...

Xi'an Taicheng Chem Co., Ltd

Xi'an Taicheng Chemco, Ltd is a international company specialized in R&D, Production and Sales in Pharmacetical raw material, nutritional, cosmetic and biochemical products. We sell Vitamin K1 as well. Founded in 2006, with rapidly development, now we have one herb extracts plant, one chemical plant (synthetci products) and a lab.
Company type: Producer
Country: P.R.China
Phone: +86-29-85439295
Telefax: +86-29-85439295

Shandong Ench Chemical Co.,Ltd

Company type: Producer
Shandong Ench Chemical Co.Ltd is a professional manufacturers and supplier in the world ,the main product include chemical pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. It is a privet-owned enterprise and located in Zhangqiu industrial park, We believe that quality is the life of our company. We supply our chemical product Adapalene. We manufacture our products in strict accordance with ISO9001: 2000 quality management system during the whole entire ...
Country: P.R.China   Phone: +86-13869131854   Telefax: +86 531-8637666

Sancai Industry Co.,Ltd.

Company type: Leading producer
Country: P.R.China
Phone: +86-531-88913079
Telefax: +86-531-88913079
Sancai Industry is involved in supplying of fine chemicals, food and nutrition,personal care, medical intermediate etc, We can also customize chemicals for our customers.Taking advantage of innovative technology and excellent talents and through over 15 years of development,We have stabled good relation with clients in and abroad. We are supplier of 4-Bromobenzaldehyde. In order to be competitive on the market. We have established the global marketing network, independent research center, testing center, and key ...

H&Z Industry Co.,Ltd

H&Z Industry Co.,Ltd is a large reliable and professional manufacturer of chemical materials and pharmaceutical intermediate. With about 10 years experiences in this field, now we are a capable provider of customized product, and we can provide gram level to ton level of products. What we can give to customers: thoughtful services, high-quality products, competitive price, Looking forward building long-term cooperative relationships with our business partners. We provide Diethyl(2-oxopropyl)phosphonate as well.
Country: P.R.China
Phone: +86 13583185792
Telefax: +86 531 88905468

Shandong Minglang Chemical Co., Ltd

Company type: Producer
Minglang Chemical is owned by Minglang Group,is a large manufacturer of fine chemicals and cosmetic materials that integrates R&D,production and sales together.It is located in the east of the Nanwang Economic Development District in Linzi,and the west of it is Qilu Petroleum Chemical Group,the east of it is Zijiang Road and the transportation is convenient.The enterprise covers an area of 9,000 square meters and the building area can be 3,200 square meters. 4-Methylmorpholine will be also provided by us. In recent years,t ...
Country: P.R.China   Phone: +86-13220566916   Telefax: +86 531 58990167

Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)

Company type: Producer
Country: P.R.China
Phone: +86 571 88026825
Telefax: +86 571 88282557
Hangzhou Meite Industry Co., Ltd. is an international high-tech enterprise founded in 1998, specialized in R&D and manufacture on intermediates, medicines, agrochemical, dyestuff, flavor, fragrance, cosmetic, natural extracts series products. We have an efficient R&D centre, get a strong technical support from Zhejiang University of Technology and Institute of Chemistry, Wuhan Branch, Chinese Academy of Sciences. Additionally 2-(4-Fluorophenyl)pyridine is supplied by us. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fi ...

Zehao Industry Co., Ltd.

The Shepherd Chemical Company was founded in Norwood, Ohio, in 1916. We are a fourth-generation company and a custom manufacturer of Inorganic Metal Salts and Organic Metal Compounds to the global marketplace. Our long-standing success is built upon technical expertise, supplier reliability, and customer relationships. Our goal is to supply the marketplace with high quality metal compounds as standard or customized products. Zehao Industry Co., Ltd. also offers 2,6-Dimethylquinoline. Our capabilities are comprised of our manufacturi ...
Country: P.R.China
Phone: +86-531-88909322
Telefax: +86-531-88909322

Hangzhou Zhongqi Chem Co., Ltd

Company type: Leading producer
Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. We are seller of 6-Chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxanine-8-carboxylic acid. Our advantage : 1.We do not simply provide chemicals , we provide chemical solutions and expertise; 2.We have trained, highly effective team to solve the problem at the first time; 3.Our QMS (quality management system) ensures the product quality strictly; 4.Strong research and deve ...
Country: P.R.China   Phone: +86-571-86976032   Telefax: +86-571-86972162

Dayang Chem (Hangzhou) Co.,Ltd.

Company type: Leading producer
Country: P.R.China
Phone: +86-571-88938639
Telefax: +86-571-8893-8652
Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. We act also as agent of many chemical factories and promote their products to the international market at very competitive price. 2,2,3,3,4,4,5,5,6,6,7,7,7-Tridecafluoro-1-heptanol will be also provided by us. We take "Credi first, Clients supreme" as our aim. We expect to cooperate with more partners in ...

Nantong Xindao Biotech Ltd

XINDAO is a world leading biochemical company formed by a professional team.The company specializes in the production, development and sales of animal health, crop science, nutrition and health care, skin care raw materials, fine chemicals and other products. 2,2'-Dithiosalicylic acid is also served by Nantong Xindao Biotech Ltd. At present, more than 300 kinds of products can be mass produced, which are widely used in chemical industry, health, agriculture, animal husbandry, biochemical research and other high-end fields. XINDAO pays attention ...
Company type: Leading producer
Country: P.R.China
Phone: +86 19033786557

Shandong SanYoung Industry Co., Ltd

Shandong SanYoung Industry Co., Ltd is a scientific and technological company specializing in research and development, cooperative production and sales of chemical products. 2,3-Difluoro-6-nitrobenzenamine is also served by Shandong SanYoung Industry Co., Ltd. The company's main products include: photoinitiator; light stabilizer; polymer retardant; ultraviolet absorbent; fine chemical products and pharmaceutical intermediates, we can also customize chemicals for our customers. Our company has a large number of customers with good reputation at home and abroad, ...
Country: P.R.China   Phone: +86 155-64526813   Telefax: +86 531-56897532

Xingrui Industry Co., Limited

Company type: Leading producer
Country: P.R.China
Phone: +86-531-88980365
Telefax: +86-531-88980365
Xingrui Industry CO., LTD. is a professional manufacturing enterprise integrating R&D, production and sales. Xingrui Industry Co., Limited also offers 5-Acetylamino-2-methoxybenzenesulfonyl chloride. The products involved fine chemicals, pharmaceutical intermediates, dye intermediates, cosmetic raw materials and so on. The company is ranked among the outstanding producers in the fine chemical industry. Xingrui Industry always strive to be the most reliable partner of our customers, and strive to build a customer-trusted, socially respected, world-class fine chemi ...

Xiamen Equation Chemical Co.,Ltd

Welcome to Equation chemical, your reliable partner in China as an important supplier of bulk specialty chemicals for industry & life science. Xiamen Equation Chemical Co.,Ltd is a seller of 4-Biphenylboronic acid. We are committed to provide experienced high quality product and JIT performance to benefit our customers.
Company type: Bulk chemical producer
Country: P.R.China
Phone: +86 592 6515854
Telefax: +86 592 6515854

Molekula GmbH

Company type: Trading company
Molekula supplies speciality chemicals and biochemicals to the fine chemical, research and diagnostic community. Our core competence is in the area of heterocycles for combinatorial chemistry, small building blocks for discovery and large scale synthesis for pilot teams and production. In the field of biochemicals, Molekula is a major supplier of key reabents used in the area of diagnostics, microbiology and biotechnology.
Country: Germany   Phone: +49 (0) 89 360 900 900   Telefax: +49 (0) 89 360 900 901

Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier
Country: P.R.China
Phone: +852-30606658
LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...

Skyrun Industrial Co., Ltd.

Skyrun Industrial Co.Limited, established in 2003, a state-controlled company (By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing raw pharmaceutical material and intermediates. Additionally Olivetol is supplied by us. We have expanded a compositive entity from initially only as a small manufacturer. We have extensive knowledge of domestic and international pharmaceutical markets. Our working range can be start from small amount in research stage to big bulk for industrial produc ...
Company type: Leading producer
Country: P.R.China
Phone: +86-576-84015261
Telefax: +86-576-84015261

BIOZOL Diagnostica Vertrieb GmbH

Company type: Supplier of chemical products
Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. We sell 3,7-Diamino-2-methoxyphenoxazin-5-ium chloride as well. 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 qua ...
Country: Germany   Phone: +49-871-966346-0   Telefax: +49-871-966346-13

BuGuCh & Partners

Company type: Producer
Country: Germany
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 chemi ...

Safety Information

Hazard Classes:
6.1(b)
Hazardous Substances Data:
Non-Regulated Material ¹
Risk Codes:
25 (R)
Safety Codes:
45 (S)
WGK Germany:
3
RID / ADR:
3249
RTECS:
UV8225000
Storage temperature:
2-8°C

What other providers are available for CAS 738-70-5?

In addition to the providers presented here for Trimethoprim with the CAS number 738-70-5, there are other 16 providers with slightly different product names available for this CAS number.

+5 additional providers that we know from the past
+1 additional providers that we know from the past
+1 additional providers that we know from the past
AK Scientific, Inc. | BLD Pharmatech Ltd +5 additional providers that we know from the past




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