Product details
Bulk supply and Contract manufacturing of Fine Chemicals,Pharmaceutical Intermediates,APIs from kilos to tons


  • CAS:


  • Synonym:

    (2S,4R)-4-Hydroxypyrrolidine-2-carboxylic acid,Hyp
    L-Proline, 4-hydroxy-, trans-


Produced by hydroxylation of L-proline after protein synthesis. It is contained rich in collagen and elastin. Known to stabilization of triple-helix structure of collagen. Widely used as an intermediate for medicines.

Cas.No 51-35-4
Assay 99.0-101.0%
Specification White crystalline powder, odorless
Applications Pharmaceutical intermediate, Dietary Supplement, Cosmetics
Packaging 25kg&50kg
STORAGE Controlled room temperature in tight container
State of solution
Not Less Than 95.0%
Specific rotation (AT 20°C) -74.0~-77.0°
Loss on drying Not More Than 0.20%
Assay (dry basis) 99.0~101.0%

Our company has won the trust of customers at home and abroad with competitive price, high quality products, quick response, high quality sales service, steady and honest style, and the concept of providing one-stop service for customers. and support.Our  manufacturing range includes products for diverse industrial applications, and features a range of alkylamines, pharmaceutical intermediates, flavour & fragrance and other personal care products, and other specialties.Our company is a manufacturer, factory, supplier, welcome domestic and foreign customers to come to consult.We offer a wide range of pharmaceutical intermediates, reference compounds for pharmaceutical companies, pharmaceutical biotech companies, universities and research institutions. Custom synthesis and production services for new reagents, etc.Dozens of reaction types such as chiral synthesis and resolution, oxidation, reduction, condensation, nitrosation, bromination.

Are you looking for China or India manufacturers of L-Hydroxyproline CAS:51-35-4, L-trans-4-hydroxyproline factory or 4-hydroxy-L-proline supplier? Where can buy 4-hydroxy-L-proline or if you want to know the price market of L-Hydroxyproline? Welcome to contact us for L-Hydroxyproline COA or MSDS.

Laboratory in Ningbo
Our company's R&D company, Ningbo Gino Chemical Co., Ltd. was established in December 2011. we have several fume hoods and kilogram laboratory, and have purchased 20L, 50L reactors and as a preliminary pilot manufacturing of the products. At the same time, We mobilized external resources to establish a pilot facility in Henan Zhumadian and Anhui Anqing, and cooperating with Shandong Zibo and Jiangsu Changzhou factories as a large production facility for our products.

Factory in Shanxi Province
At the end of 2017, We invested workshop in Xinjiang County Longzhou Chemical Co., Ltd., Xinjiang County Coal Mine Park, Yuncheng, Shanxi. The first phase of the reactors were 30* 2000L~5000L, The contract output value is 50 million annually, factory has passed the audit from public listed company domestic and abroad.

Factory in Shandong Province
The production base of liquid rectification chemical products located in Liaocheng, Shandong Province is the main outsourcing production base of our company. The products are sold to leading enterprises and listed companies in the carcass industry for many years. The production, quality and service are stable, delivery is timely, and some individual products are covering 90% of the market.

Factory in Henan Province
In year 2020, We invested workshop in Henan province, the workshop consists of 50*2000L~5000L reactors, The types of reactions that can be manufacturer there are: bromination, cyanidation, and conventional reactions.

Disclaimer: Certain products are for research use only. Not for diagnostic or therapeutic use. Not for human use. INNOPHARMCHEM does not sell to individuals. INNOPHARMCHEM does not warrant that the use or sale of the products delivered under will not infringe the claims of any China or other patents covering the product itself or the use thereof in combination with other products or the operation of any process.