Gold Member Since 2016
Wuhan Shu Ou Technology Co., Ltd.

L-Pyroglutamic Acid, L-Pyroglutamic Acid 99.3%, L-Pyroglutamic Acid Amino Acid manufacturer / supplier in China, offering Factory Sell 99.3% Quality L-Pyroglutamic Acid, Antiviral API Tricyclodecane Hydrochloride CAS 665-66-7 for Antiparkinsonian, Factory Direct Sale High Purity Pharmaceutical Material Diclofenac Sodium and so on.

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Supplier Homepage Product Nutrition Enhancers Factory Sell 99.3% Quality L-Pyroglutamic Acid

Factory Sell 99.3% Quality L-Pyroglutamic Acid

FOB Price: US $1 / kg
Min. Order: 1 kg
Min. Order FOB Price
1 kg US $1/ kg
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Port: Shanghai, China
Production Capacity: 100t
Payment Terms: T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: 98-79-3
  • Customized: Customized
  • Suitable for: Elderly
  • Purity: >99%
  • Classification: Amino Acid
  • Melting Point: 160-163 °c
  • Loss on Drying: Not More Than 0.5%
  • Transport Package: 25kg/Drum
  • Origin: China
  • Powder: Yes
  • Certification: ISO 9001, USP
  • State: Solid
  • Function: Keeping Health and Promoting Growth
  • Appearance: Powder
  • Assay: 99.3%
  • Trademark: nnajian
  • Specification: 99.3%
  • HS Code: 2933790090
Product Description
Factory Sell 99.3% Quality L-Pyroglutamic Acid

Basic Info.
Product Name: L-Pyroglutamic acid            
CAS No: 98-79-3
Type: Vitamins, Amino Acids and Coenzymes
Form: Powder                                 
Export Markets: Global

Additional Info.
Packaging Details: 25kg/drum
Delivery time: one week after receive prepayment

Product Description
Synonyms:5-Oxoproline;5-Oxopyrrolidine-2-carboxylic acid;L-5-Pyrrolidone-2-carboxylic acid;(S)-(-)-2-Pyrrolidone-5-carboxylic acid
CAS Number: 98-79-3
EINECS NO.: 202-700-3
Molecular Formula: C5H7NO3
Molecular Weight: 129.11
InChI: 1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/t3-/m0/s1
Characteristics: white crystalls or crystal powder; Almost odourless. Soluble in water.
Specific rotation: -10.5º(C=10,1NNAOH)
Melting point: 152-162ºC
Water solubility: 10-15G/100ML(20ºC)

1. Can be used in cosmetics as antioxidants, preventing skin aging, synergistic effects
2. Can be used as food additive and pharmaceutical intermediates
3. As a nutrition supplement, such as anti-anxiety
1) One step service with total solution
2) Accept customized packaging (Jar, Bag, Sachet )
3) Customized formula research and process
4) Premix, Granular, Tablets, Capsules, Flavored, etc.
5) Label print

Specific rotation[α]20D



Not less than 98%


Not more than 0.02%


Not more than 0.02%


Not more than 0.02%


Not more than 10ppm

Heavy metals

Not more than 10ppm


Not more than 1ppm

Loss on drying

Not more than 0.1%

Residue on ignition

Not more than 0.1%

Chemical name

(R)-2-Pyrrolidone-5-carboxylic acid

Molecular formula


Molecular weight




Packing Details:
25kg/drum, with 2 plastic bags inside.
Store in cool and dry area and keep away from direct sunlight.
Shelf Life:
2 years, if keep in formal storage condition.
We accept any quantity for order. From grams to tons.
We have strong quality assurance policy and have our own well-developed laboratories (analytical, chemical and microbiological). Out-sourcing suppliers must conform to our stringent vendor qualification standard. Also we have very close relations with the National Laboratories and SGS. All products will be fully tested before export. 
From carton to drum and bag to bottle, we can also design label as per buyer's requirements.
What you need, that we make.

We own the modern warehouse.
500M² square with clean, neat, and good ventilation.

We are experienced of documentation, clearance and transport. We can make prompt delivery at any quantity which can save you much time and cost of import.

Send your message to this supplier
Mr. Eric(WAPP:+8617327093119)
Sales Manager
To: Mr. Eric(WAPP:+8617327093119)

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