Ethyl L-Pyroglutamate CAS 7149-65-7 Assay ≥98.0% (HPLC)

Short Description:

Chemical Name: Ethyl L-Pyroglutamate

Synonyms: H-Pyr-OEt; L-Pyroglutamic Acid Ethyl Ester

CAS: 7149-65-7

Assay: ≥98.0% (HPLC)

Appearance: White to Light Yellow Powder

Unnatural Amino Acids, High Quality

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401


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7149-65-7 - Description:

Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of Ethyl L-Pyroglutamate (H-Pyr-OEt) (CAS: 7149-65-7) with high quality. Ruifu Chemical has been supplying amino acids and derivatives more than 15 years.
Ruifu Chemical can provide worldwide delivery, competitive price, excellent service.
Purchase Ethyl L-Pyroglutamate or other products, please contact us by e-mail:

7149-65-7 - Chemical Properties:

Chemical Name Ethyl L-Pyroglutamate
Synonyms H-Pyr-OEt; L-Pyr-OEt; L-Pyroglutamic Acid Ethyl Ester; L-(+)-Pyroglutamic Acid Ethyl Ester; Ethyl 5-Oxo-L-Prolinate; Ethyl (S)-5-Oxopyrrolidine-2-Carboxylate; (S)-(+)-5-Ethylcarboxyl-2-Pyrrolidinone; Ethyl (S)-(+)-2-Pyrrolidinone-5-Carboxylate; (S)-(+)-2-Pyrrolidinone-5-Carboxylic Acid Ethyl Ester
Stock Status In Stock, Commercial Production  
CAS Number 7149-65-7
Molecular Formula C7H11NO3
Molecular Weight 157.17 g/mol
Melting Point 45.0-55.0℃ 
Store Under Inert Gas Store Under Inert Gas
Sensitive Air Sensitive 
Storage Temperature Store Long-Term at 2-8℃
COA & MSDS Available
Origin of Product    Shanghai, China
Product Categories
Unnatural Amino Acids 
Brand Ruifu Chemical

7149-65-7 - Specifications:

Items Specifications  Results
Appearance White to Light Yellow Powder Conforms  
Specific Rotation [α]20/D  -3.5°±1.0° (C=5, Water) -2.67°
Melting Point 45.0-55.0℃  45.0-47.0℃     
Water by Karl Fischer  ≤0.50% 0.32%
Assay / Analysis Method ≥98.0% (HPLC)  99.3%
1H NMR Spectrum Conforms to Structure   Conforms   
Conclusion The product has been tested and complies with the given specifications

7149-65-7 - Package/Storage/Shipping:

Package: Fluorinated bottle, 25kg/cardboard drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed. Store in a cool, dry (2-8℃) and well-ventilated warehouse away from incompatible substances. Keep away from sunshine; avoid fire and heat sources; avoid moisture.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery. 

7149-65-7 - Advantages:

Sufficient Capacity: Sufficient facilities and technicians

Professional Service: One stop purchasing service

OEM Package: Custom package and label available

Fast Delivery: If within stock, three days delivery guaranteed

Stable Supply: Maintain reasonable stock    

Technical Support: Technology solution available

Custom Synthesis Service: Ranged from grams to kilos

High Quality: Established a complete quality assurance system

7149-65-7 - FAQ:

How to Purchase? Please contact Dr. Alvin Huang: or 

15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.

Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.

Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.

Quality AssuranceStrict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.

SamplesMost products provide free samples for quality evaluation, shipping cost should be paid by customers.

Factory AuditFactory audit welcome. Please make an appointment in advance.

MOQ? No MOQ. Small order is acceptable.

Delivery Time? If within stock, three days delivery guaranteed.

TransportationBy Express (FedEx, DHL), by Air, by Sea.

Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.

Custom SynthesisCan provide custom synthesis services to best fit your research needs.

Payment TermsProforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc. 

7149-65-7 - Risk and Safety:

Hazard Symbols Xi - Irritant
Risk Codes 36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
S37/39 - Wear suitable gloves and eye/face protection
WGK Germany 3
HS Code 2922491990

7149-65-7 - Application:

Ethyl L-Pyroglutamate (H-Pyr-OEt) (CAS: 7149-65-7) has been used in the synthesis of various pharmaceuticals. It is used as a building block for the synthesis of various bioactive compounds. In the pharmaceutical industry, it is being investigated as a potential candidate for the development of new anticancer therapies.

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