Top quality N-Benzyloxycarbonyl-D-proline with best price 6404-31-5



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Top quality N-Benzyloxycarbonyl-D-proline with best price 6404-31-5
Top quality N-Benzyloxycarbonyl-D-proline with best price 6404-31-5
Top quality N-Benzyloxycarbonyl-D-proline with best price 6404-31-5
Top quality N-Benzyloxycarbonyl-D-proline with best price 6404-31-5
Top quality N-Benzyloxycarbonyl-D-proline with best price 6404-31-5
Top quality N-Benzyloxycarbonyl-D-proline with best price 6404-31-5
Top quality N-Benzyloxycarbonyl-D-proline with best price 6404-31-5

Top quality N-Benzyloxycarbonyl-D-proline with best price 6404-31-5

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If over 500pcs, mass production will start until pre-production sample has been approved.

Est. 7 days production

Product Description

    Product Description


Molecular weight115.1305
Appearancewhite crystalline powder
Color:Pure White
UsageAnimal Pharmaceuticals
StorageFreeze-dry preservation
Melting Point221
Shelf Life2 Years

   Certification of Analysis





 Melting point

 76-78 °C(lit.)

 Boiling point

 75 - 77°C

 Flashing point


 Specific rotation

 40 ° (C=2, EtOH)


 1.309 g/cm3




L-proline benzyl ester hydrochloride and its derivatives are often used as asymmetric catalysts in organic reactions. The CBS reduction and proline catalysed aldol condensation are prominent examples.

L-proline is an osmoprotectant and therefore is used in many pharmaceutical, biotechnological applications.

In brewing, proteins rich in proline combine with polyphenols to produce haze.

L-proline is one of the important amino acids for synthesizing human protein. It is widely used in the food and medical industry, and is an important intermediate for synthesizing ACE inhibitors such as Captopril and Enalapril. It is also one of the important raw materials of amino acid transfusion.

L-proline has been used universally as food additive, catalyst and raw materials of fine chemical industry.



 1. L-Proline is a major component of collagen.

 2. L-Proline can be used in medicine. L-Proline is one of the raw material compound amino acid infusion. It is used for malnutrition, protein deficiency, protein supplements serious gastrointestinal diseases, burns and after surgery. No significant side effects.

 3. L-Proline can improve plant cold tolerance.

 4. L-Proline can repair the enamel.

 5. L-Proline can be used as nutritional supplements, flavor enhancers. Occurring amino sugar were hot -carbonyl reaction, it can generate a  special flavor substances. 


Company Information

Qingdao Sigma chemical Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma chemical Co., Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.


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Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us?
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Q3:Which kind of payment terms do you accept?
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Q4:Can you give me a discount price?
Surely,It depend on your qty
Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
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