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DL-Pyroglutamic acid

BGC Id:950487755878
CAS No:149-87-1
Synonyms:dl-proline, 5-oxo- ; dl-a-pyroglutamic acid ; dl- pglu-oh ; 5-oxo-dl-proline ; dl-5-oxoproline ; dl- pyroglutamate ; dl-pyroglutamic acid ; h-dl-pyr-oh ; labotest-bb lt00005913 ; dl-pyroglutamic
Molecular Formula:C5H7NO3
Molecular Weight:129.11
EINECS:205-748-3
Structural Formula

Verified providers in 2026

The following 14 notable providers have been checked and can be recommended.
Chemical-Suppliers
Leap Chem
Molecular Formula: C5H7NO3 Molecular Weight: 129.11 Hazard Symbols: Xn,Xi WGKGermany: 3 HS Code: 29337900

The last intensive check and update was carried out on 2026/08/19.

Identify

Synonyms:
dl-proline, 5-oxo- ; dl-a-pyroglutamic acid ; dl- pglu-oh ; 5-oxo-dl-proline ; dl-5-oxoproline ; dl- pyroglutamate ; dl-pyroglutamic acid ; h-dl-pyr-oh ; labotest-bb lt00005913 ; dl-pyroglutamic
CAS:
149-87-1
EINECS:
205-748-3
Molecular Formula:
C5H7NO3
MDL:
MFCD00064322

Properties

Molecular Weight:
129.11 g·mol−1
Melting point:
183-185 °C(lit.)
download Download Molfile for :
DL-2-Pyrrolidone-5-carboxylic Acid

Suppliers

Purestar Chem Enterprise Co., Ltd.

Company type: Supplier
Purestar Chem Enterprise Co., Ltd. (also known as Huzhou Purestar Biochem Co., Ltd.) is a professional supplier of high-quality botanical extracts and ingredients for the dietary supplement, functional food, and nutrition industries. D-Glutamic acid is also served by Purestar Chem Enterprise Co., Ltd.. Located in Huzhou, Zhejiang Province, China, we have been serving customers worldwide since 2005. Our product portfolio focuses on plant extracts, mushroom extracts, nutritional ingredients, natural active compounds, amino acids, vitamins, and o ...
Country: P.R.China   Phone: +86-572-2157374   Telefax: +86-572-2146389

Changzhou Union Chemicals Co.,Ltd.

Company type: International trading company
Country: P.R.China
Phone: +86 519 8680 2352
Telefax: +86 519 8639 6223
Changzhou Union Chemicals Co.,Ltd. is a comprehensive company which is specialized in marketing and manufacturing of new moleculars, advanced intermediates & other fine chemicals - Pharmaceutical intermediates ; Amino acids & derivatives; Chiral products; ect .... We are supplier of (7A,17b)-7-(9-Bromononyl)-estra-1,3,5(10)-triene-3,17-diol 17-acetate. It involves one subsidiary company and several joint ventures in china. Union Chem, has professional & innovative teams to provide high quality products and services to our customers worldwide, we strict to "Qual ...

Simagchem Corporation

Your partner in China for chemicals business. 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. Simagchem Corporation is a seller of Talc suppliers.
Company type: Bulk chemical producer
Country: P.R.China
Phone: +86 592 2680 277
Telefax: +86 592 2680 237

Sancai Industry Co.,Ltd.

Company type: Leading producer
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. In order to be competitive on the market. We have established the global marketing network, independent research center, testing center, and key ...
Country: P.R.China   Phone: +86-531-88913079   Telefax: +86-531-88913079

H&Z Industry Co.,Ltd

Country: P.R.China
Phone: +86 13583185792
Telefax: +86 531 88905468
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. 4-(Boc-Aminomethyl)piperidine is also served by H&Z Industry Co.,Ltd.

Shandong Minglang Chemical Co., Ltd

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. We supply our chemical product N-(2-Hydroxyethyl)ethylenediaminetriacetic acid. In recent years,t ...
Company type: Producer
Country: P.R.China
Phone: +86-13220566916
Telefax: +86 531 58990167

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

Company type: Producer
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. Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) is a seller of 11-Oxo-6,11-dihydrodibenzo[b,c]thiepin. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fi ...
Country: P.R.China   Phone: +86 571 88026825   Telefax: +86 571 88282557

Zehao Industry Co., Ltd.

Country: P.R.China
Phone: +86-531-88909322
Telefax: +86-531-88909322
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. Additionally Furan-2(5H)-one is supplied by us. 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 ...

Dayang Chem (Hangzhou) Co.,Ltd.

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. We take "Credi first, Clients supreme" as our aim. Dayang Chem (Hangzhou) Co.,Ltd. also offers Dehydro loperamide. We expect to cooperate with more partners in ...
Company type: Leading producer
Country: P.R.China
Phone: +86-571-88938639
Telefax: +86-571-8893-8652

Hangzhou Lingrui Chemical Co., Ltd.

Company type: Producer
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. bis-(2-Methyl-8-quinolinolato)(4-phenylphenolato)aluminum is also served by Hangzhou Lingrui Chemical Co., Ltd.. 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 ...
Country: P.R.China   Phone: +86-571-88092529   Telefax: +86-571-87334908

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. We provide 1,3-Diphenyltriazene as well.

AK Scientific, Inc.

AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. All these products are stocked in multiple, convenient, sizes to fit your specific needs. We supply our chemical product 2,3-Dimethylphenyl isocyanate. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific products can be searched by Name (or ...
Company type: Supplier
Country: USA
Phone: +1 (510) 429-8835
Telefax: +1 (510) 429-8836

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 ...

Safety Information

Hazard Classes:
irritant
Hazardous Substances Data:
Non-Regulated Material ¹
Risk Codes:
22-36/37/38 (R)
Safety Codes:
26-37/39 (S)
WGK Germany:
3

What other providers are available for CAS 149-87-1?

In addition to the providers presented here for DL-Pyroglutamic acid with the CAS number 149-87-1, there are other 23 providers with slightly different product names available for this CAS number.

+4 additional providers that we know from the past
Xingrui Industry Co., Limited +2 additional providers that we know from the past
+2 additional providers that we know from the past
BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +6 additional providers that we know from the past
+3 additional providers that we know from the past
+2 additional providers that we know from the past




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