Food Grade L-Hydroxyproline CAS 51-35-4

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Products Description

Name: L-Hydroxyproline Powder

Cas: 51-35-4

Purity: 99%min


Basic Info:







Stock Availability

In stock

Brand Name

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Product Introduction:

Hydroxyproline is also known as (2S, 4R) -4-hydroxyproline or L-Hydroxyproline (C5H9O3N). It is a white flake crystal or crystalline powder, a common non-standard protein amino acid, referred to as HYP.

L-Hydroxyproline is a common non-standard protein amino acid, which has high application value as the main raw material of antiviral drug atazanavir.

L-Hydroxyproline is usually used as a food additive (used as a relatively small amount of sweetener) and a relatively large amount of pharmaceutical penicillene side chain intermediates.

Product Nature:

  • Density: 1.395 g/cm3
  • Boiling point: 355.2ºC at 760 mmHg
  • Melting point: 273 °C (dec.)(lit.)
  • Flash point: 168.6ºC
  • Refractive index: -75.5 ° (C=4, H2O)
  • Water solubility: 357.8 g/L (20 º C)


Product NameL-Hydroxyproline Powder
CAS No.51-35-4
Appearance White powder
Content99% min
Shelf Life2 years
Packing1kg/bag,25kg/bag or as your requirements

Product function:

  • L-Hydroxyproline is a natural component of animal structural proteins (such as collagen and elastin). Several microorganisms have been discovered that produce proline trans-4- and cis-3-hydroxylase, and these enzymes are used in the industrial production of trans-4- and cis-3-hydroxy-L-proline. It has been.
  • L-Hydroxyproline is mainly used as a seasoning, nutritional enhancer, and fragrance.
  • In everyday foods, it is mainly used for fruit juices, refreshing drinks and nutritious drinks.
  • L-Hydroxyproline can be used for the synthesis of neurostimulating kinoids, which are multifunctional antifungal echinocandins. It can also be used to synthesize chiral ligands that can be used for asymmetric ethylation of aldehydes.


  1. Nelson, D. L. and Cox, M. M. (2005) Lehninger’s Principles of Biochemistry, 4th Edition, W. H. Freeman and Company, New York.
  2. Wieland, T. (1986). Peptides of Poisonous Amanita Mushrooms. Springer.
  3. Wikipedia


Pre-Sales Service

* Timely reply and 24 hours online, the professional team will provide you with the most favorable prices and high-quality products.

* The sample supports testing and inspection.

* Each batch of products will be tested to ensure that its quality meets user needs.

*Packaging can also be made according to customer requirements.

*Any inquiries will be answered by our relevant personnel within 24 hours.

*We will provide you with commercial invoice, packing list, packing list, COA, health certificate and certificate of origin if you need it. If your market has other special requirements, please let us know.


After-Sales Service

*We will monitor the logistics information in real time and will share the information with you.

* You can consult us at any time if you have any questions about the product, and we will answer you in time.

*If you have any questions about the product, you can report it to us, we will deal with it in time for you, and the product can be returned.


1. ≤50kg, we recommend express delivery, usually called DDU service;

2. ≤500kg, air transportation is generally recommended, usually called FOB, CFR or CIF service;

3.>500kg, sea freight is generally recommended, usually called FOB, CFR or CIF service;

4. For high-value products, please choose air and express to ensure the safety of the products.


Do you accept sample order?

We will make samples before mass production. After the samples are approved by the department and users, we will start mass production. During the production process, we will carry out 100% inspection, and then carry out random inspection before packaging.

How to confirm whether the product quality meets our needs before placing an order?

You can consult us to get free samples of some products, you only need to pay the freight or arrange express delivery to us and get the samples. You can send us the product specifications and requirements you need, and we will manufacture products according to your requirements.

What’s your MOQ?

Our MOQ is 1kg. But usually we can also accept a smaller quantity, such as 100g, if you need it, provided that the sample fee is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.

Learn more about us

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Packaging and shipping

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