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Acetylenedicarboxylic acid

BGC Id:960143447730
CAS No:142-45-0
Synonyms:
Molecular Formula:C4H2O4
Molecular Weight:114.06
EINECS:205-536-0
Structural Formula

Verified providers in 2025

The following 11 notable providers have been checked and can be recommended.
Chemical-Suppliers
Leap Chem
Molecular Formula: C4H2O4 Molecular Weight: 114.06 Hazard Symbols: T,Xi UN Number: UN 2811 6.1/PG 3 WGKGermany: 3 PackingGroup: II HS Code: 29171990

The last intensive check and update was carried out on 2025/07/31.

Identify

CAS:
142-45-0
EINECS:
205-536-0
Molecular Formula:
C4H2O4
MDL:
MFCD00004362

Properties

Molecular Weight:
114.06 g·mol−1
Melting point:
~82° C (dec.)

Suppliers

Simagchem Corporation

Company type: Bulk chemical producer
Your partner in China for chemicals business. We supply our chemical product 2-(Trifluoromethyl)phenylboronic acid. Expertize in supplies and sources of fine, specialty, pharmaceutical chemicals and intermediates. WE offer high quality products and JIT services with instant market intelligence in China, custom synthesis in our 3 production sites, famous principals as Brenntag, Univar,S inopec, Grace, Petrobras, DKSH, Formitex, Evonik, Merck, TCI, Sanofi, Chemo with creditable reputation and business cooperation.
Country: P.R.China   Phone: +86 592 2680 277   Telefax: +86 592 2680 237

Hangzhou Keying Chem Co., Ltd.

Country: P.R.China
Phone: +86-571-85378921
Telefax: +86-571-85378913
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. We supply our chemical product Tofacitinib. The p ...

Xingrui Industry Co., Limited

Xingrui Industry CO., LTD. We supply our chemical product Ammonium molybdate 4-hydrate. is a professional manufacturing enterprise integrating R&D, production and sales. 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 ...
Company type: Leading producer
Country: P.R.China
Phone: +86-531-88980365
Telefax: +86-531-88980365

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. We are seller of Isovanillin. 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. Our capabilities are comprised of our manufacturi ...
Country: P.R.China   Phone: +86-531-88909322   Telefax: +86-531-88909322

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. 9,10-Dihydro-2,7-dimethylacridine-3,6-diamine is also served by Dayang Chem (Hangzhou) Co.,Ltd.. We take "Credi first, Clients supreme" as our aim. We expect to cooperate with more partners in ...

Hangzhou Lingrui Chemical Co., Ltd.

Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. In our R&D centre, we have a staff of skilled and experienced research chemists. This has enabled us to meet the special requirements of our customers and it has enabled us to provide quality products at competitive prices. Lingrui’s credo is committed to your reliable business partne ...
Company type: Producer
Country: P.R.China
Phone: +86-571-88092529
Telefax: +86-571-87334908

Capot Chemical Co., Ltd.

Company type: Leading producer
Welcome to Capotchem • Established in 1996 ,Capot Chemical Co.,Ltd is a fine organics manufacturing facility which located in Hangzhou,P.R.China. Capot Chemical Co., Ltd. also offers 3-Bromo-5-methyl-1H-pyrazole. We produce a wide range of organics, especially fluorine, boronic acids, amino acids, unnatural amino acids, peptide, cross linkers, organocatalysts, chiral building blocks, heterocyclic compounds and other active pharmaceutical ingredients compounds. We are certified to the ISO 9001:2000 Standards, have a safety management syste ...
Country: P.R.China   Phone: +86-571-85586718   Telefax: +86-571-85864795

Xiamen Equation Chemical Co.,Ltd

Company type: Bulk chemical producer
Country: P.R.China
Phone: +86 592 6515854
Telefax: +86 592 6515854
Welcome to Equation chemical, your reliable partner in China as an important supplier of bulk specialty chemicals for industry & life science. We are committed to provide experienced high quality product and JIT performance to benefit our customers. Benzo[h]quinoline will be also provided by us.

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. We have expanded a compositive entity from initially only as a small manufacturer. L-Menthol ethyleneglycol carbonate is also served by Skyrun Industrial Co., Ltd.. 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

Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier
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 ...
Country: P.R.China   Phone: +852-30606658  

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 ...

What other providers are available for CAS 142-45-0?

In addition to the providers presented here for Acetylenedicarboxylic acid with the CAS number 142-45-0, there are other 11 providers with slightly different product names available for this CAS number.

+1 additional providers that we know from the past
BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +7 additional providers that we know from the past




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