Methyl L-pyroglutamate(4931-66-2)
- Name: Methyl L-pyroglutamate
- Synonyms:Pyroglutamicacid, methyl ester, L- (6CI,7CI);(2S)-5-Oxopyrrolidine-2-carboxylic acidmethyl ester;(S)-5-(Methoxycarbonyl)-2-pyrrolidinone;(S)-5-(Methoxycarbonyl)-2-pyrrolidone;5-Oxo-L-proline methyl ester;L-5-Oxoproline methyl ester;L-Pyroglutamic acid methyl ester;Methyl(S)-(+)-2-oxopyrrolidine-5-carboxylate;Methyl(S)-2-oxopyrrolidine-5-carboxylate;Methyl (S)-pyroglutamate;Methyl N-BOC-(S)-pyroglutamate;
- Molecular Formula:C6H9NO3
- Molecular Weight:143.142
- CAS Registry Number:4931-66-2
- EINECS:225-567-3
- Melting Point:
- Water Solubility:
CAS No.4931-66-2 L-Pyroglutamic acid methyl ester
Assay:min98% Appearance:White crystalline powder Package:Standard Packing: 25kg/drum Storage:Store in dry, dark, ventilated place. Transportation:airfreight or vessel Application:FINE CHEMICAL
Min. Order:1Kilogram
Supplier:SICHUAN TONGSHENG AMINOACID CO.LTD [
China (Mainland)] 
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SupplierTel:86-838-2274206/2850606
Address:Room 1-11-1,No.19 of North TianShan Road,Deyang,Sichuan China
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CAS No.4931-66-2 High quality L-Pyroglutamic Acid Methyl Ester supplier in China
Assay:99% Appearance:white-off powder or granule ( referto COA) Package:25kgs/fiber drum Storage:Keep in a cool & dry place Transportation:By air /by sea /or by courier. Application:Amino acid
Min. Order:1Kilogram
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China (Mainland)] 
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SupplierTel:+86-592-2680277
Address:21/F Hualong Office Building,No.6 Hubin East Road, Xiamen,China
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CAS No.4931-66-2 Methyl L-pyroglutamate
Assay:98% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by sea or by air Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
Min. Order:1Kilogram
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China (Mainland)] 
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CAS No.4931-66-2 Methyl L-pyroglutamate CAS NO.4931-66-2
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China (Mainland)] Assessed
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CAS No.4931-66-2 L-Proline, 5-oxo-,methyl ester
Assay:99%min. Appearance:white powder Package:1kg/Export worthy packing; 25kg/drum Storage:In well-closed container, protected from light and in cool & dry place. Transportation:By Air, By Sea, By courier (door to door, DHL/FedEx/UPS) Application:R&D and production for pharmaceuticals and chemicals
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China (Mainland)] 
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CAS No.4931-66-2 Methyl L-pyroglutamate
Assay:99% Appearance:powder or liquid Package:according to customer requirements Storage:store in dry dark and ventilated place Transportation:By Sea/Air/Courier Application:It is an important raw material.
Min. Order:10Gram
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China (Mainland)] 
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CAS No.4931-66-2 Lower Price L-Pyr-OMe
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CAS No.4931-66-2 Methyl L-pyroglutamate manufacture
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China (Mainland)] 
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CAS No.4931-66-2 Methyl L-pyroglutamate CAS:4931-66-2
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China (Mainland)] 
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CAS No.4931-66-2 Methyl L-pyroglutamate
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CAS No.4931-66-2 Methyl L-pyroglutamate
Assay:99% Appearance:powder Package:Ex-factory package Storage:Keep in dark place,Sealed in dry,Room Temperature Transportation:1.Stock products are normally shipping within 3 working days. 2.For rush delivery, please contact our sales team for particular arrangement. Shipping Details: 1.We ship goods via DHL, Application:Pharmaceutical raw materials
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China (Mainland)] 
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CAS No.4931-66-2 Methyl L-pyroglutamate
Assay:99.0% Appearance:liquid Package:Grams, Kilograms Storage:Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials. Transportation:According to customer request Application:For R&D and commerical use
Min. Order:100Gram
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China (Mainland)] Assessed
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CAS No.4931-66-2 L-Pyr- Oet
Assay:99% Appearance:White Powder Package:25kg/drum, also according to the clients requirement Storage:Store In Dry, Cool And Ventilated Place Transportation:By Sea Or By Air Application:It is widely used as a thickener, emulsifier and stabilizer
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China (Mainland)] 
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CAS No.4931-66-2 Methyl L-pyroglutamate
Assay:98% Appearance:NA Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Storage:Sealed in a cool ,dry and microtherm place , avoid light . Transportation:By express, air transportation or by sea transportation. Application:It is an important raw material and medical intermediate of synthetic drugs.
Min. Order:100Gram
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China (Mainland)] Assessed
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CAS No.4931-66-2 L-Proline, 5-oxo-,methyl ester
Assay:99% Appearance:White fine powder Package:according to the clients requirement Storage:Store in dry dark and ventilated place Transportation:Transportation by express, air, sea; port mainly to Qingdao / Tianjin / Shanghai, or according to customer needs to send different ports and aviation. Application:It is an important raw material.
Min. Order:1Kilogram
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China (Mainland)] 
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CAS No.4931-66-2 L-Proline, 5-oxo-,methyl ester
Assay:99% Appearance:detailed see specifications Package:100g/bag,1kg/bag,25kg/drum,according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by air or by ocean shipping Application:An important raw material and intermediate used in Organic Synthesis, Pharmaceuticals
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China (Mainland)] Assessed
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Address:Kangkang Gu 1010, Chun xiao road 61,Binjiang District 310052,Hangzhou city , China
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CAS No.4931-66-2 Methyl L-pyroglutamate
Assay:NLT 98% Appearance:White powder Package:Aluminum bag/Carton Drum Storage:Store in a tightly closed container, in a cool and dry place. Transportation:By air Application:Used in producing API
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CAS No.4931-66-2 Methyl L-pyroglutamate
Assay:98% or more Appearance:high quality Package:5kg 25kg According to clients' requirement Storage:Store in dry, dark and ventilated place Application:Intermediate and Industrial use
Min. Order:0Metric Ton
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CAS No.4931-66-2 L-Pyroglutamic Acid Methyl Ester; Pyr-OMe; H-pyroGlu-OMe; H-Pyr-OMe
Assay:99.0% Min. Package:25Kg/drum, 150Kg/drum, 200kg/drum, According to request. Storage:Keep container tightly closed in a dry, cool and well-ventilated place. Transportation:By sea, by air.
Min. Order:0
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China (Mainland)] 
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SupplierTel:+86-571-85395792
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CAS No.4931-66-2 Methyl (S)-(+)-2-pyrrolidone-5-carboxylate
Assay:0.98 Appearance:Off white to slight yellow solid Package:1L 5L 10L 25L bottle Storage:Stored in shaded, cool and dry places Transportation:Handle with cares to avoid damaging the packages. Protect them from sunshine or rain. We can send by Fedex, by ship or by plane according to international rules. Application:pharma intermediate
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CAS No.4931-66-2 Methyl L-pyroglutamate
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Min. Order:0
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CAS No.4931-66-2 Methyl L-pyroglutamate
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CAS No.4931-66-2 Methyl (S)-(+)-2-pyrrolidone-5-carboxylate
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CAS No.4931-66-2 L-Pyr.Ome
Assay:97%,98%,99%,99.5% Package:25kg/drum,Or according to customer requirements Storage:Store in a cool, dry place. Application:Used as medicine raw materials, food additives, etc
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CAS No.4931-66-2 (S)-methyl 5-oxopyrrolidine-2-carboxylate
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Min. Order:0
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China (Mainland)] Assessed
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CAS No.4931-66-2 Methyl L-pyroglutamate
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China (Mainland)] 
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CAS No.4931-66-2 L-Proline, 5-oxo-,methyl ester
Assay:98%min Appearance:Off-white to light yellow powder Package:According to the clients requirement. Storage:Keep in cool place. Application:Pharmaceutical intermediates
Min. Order:0
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China (Mainland)] Premium
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CAS No.4931-66-2 Methyl L-pyroglutamateCAS NO.: 4931-66-2
Assay:99% Appearance:White solid Package:drum Storage:Room temperature Transportation:By Sea/Air/DHL Application:Pharmaceutical intermediates
Min. Order:1Kilogram
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CAS No.4931-66-2 L-Pyr- Oet
Assay:鈮?9.0% Appearance:White powder Package:25kg drum/bag Storage:Keep in dry and cool place Transportation:by Sea, air and express Application:銆?Use 1 銆? A nutritional supplement. One of the essential amino acids in the human body. Because the price is higher than DL-methionine and the effect is equal, DL-methionine is often used. 銆?Use
Min. Order:1Metric Ton
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United States] Premium
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CAS No.4931-66-2 Methyl L-pyroglutamate
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CAS No.4931-66-2 Methyl L-pyroglutamate CAS 4931-66-2
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CAS No.4931-66-2 Methyl L-pyroglutamate
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CAS No.4931-66-2 methyl (S)-(+)-2-pyrrolidone-5-carboxylate CAS 4931-66-2
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CAS No.4931-66-2 Methyl L-pyroglutamate
Assay:99% Appearance:white powder Package:25kg,50kg,180kg,200kg,250kg,1000kg锛宑ustomization Storage:Keep it in dry,shady and cool place Transportation:by express or by sea Application:Pharma;Industry;Agricultural;chemical reaserch
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CAS No.4931-66-2 L-Pyroglutamic Acid Methyl Ester
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CAS No.4931-66-2 Methyl L-pyroglutamate
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CAS No.4931-66-2 Factory Supply L-Pyroglutamic Acid Methyl Ester
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CAS No.4931-66-2 Top Purity CAS 4931-66-2 with fast shipping
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CAS No.4931-66-2 Methyl L-pyroglutamate
Assay:99%min Appearance:colorless to yellow liquid Package:1kg/drum, 25kg/drum, 200kg/drum,500kg/drum Storage:Keep it in dry, cool and ventilated place Transportation:by sea or by air Application:For scientific research
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CAS No.4931-66-2 L-Pyr- Oet
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CAS No.4931-66-2 Methyl L-pyroglutamate
Assay:99.0% Appearance:Clear, colorless liquid Package:according to your requirement Storage:Store in a dry, dark and ventilated place Transportation:by air/by sea /by train Application:lt is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
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China (Mainland)] Premium
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CAS No.4931-66-2 Pyroglutamic acid methyl ester
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CAS No.4931-66-2 L-Pyr- Oet
Assay:99% Appearance:white powder Package:drum or based on customers' requirement Storage:normal temperature storage Transportation:by sea, by air Application:We have different specifications for different applications
Min. Order:1Metric Ton
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CAS No.4931-66-2 MethylL-pyroglutamate
Assay:97% Appearance:Powder or liquid Package:According to customer Storage:Store in a tightly closed container, in a cool and dry place. Transportation:Fedex,DHL,TNT,BY SEA and BY AIR Application:Medicinal Chemistry Biomedicine Pharmaceutical intermediates Chemistry experiment Biological experiments Chemical reagent For R&D use only.
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China (Mainland)] Premium
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CAS No.4931-66-2 Methyl L-pyroglutamate
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CAS No.4931-66-2 Acmec Methyl L-pyroglutamate M87221 5mg
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China (Mainland)] Premium
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CAS No.4931-66-2 Methyl L-pyroglutamate
Assay:99.3% Appearance:white or Almost colorless Package:2.5kg or 5kg Transportation:Air freight, sea freight, and express delivery Application:Intermediates
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CAS No.4931-66-2 L-Pyr- Oet
Assay:99% Package:According to the customer request Transportation:According to the customer request Application:intermediate of Antimicrobial agent and Antioxidant
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China (Mainland)] Premium
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CAS No.4931-66-2 Methyl-(S)-(+)-2-pyrrolidone-5-carboxylate
Assay:98% Appearance:solid or liquid Package:According to customer鈥榮 requirement Storage:Keep in a cool & dry place Application:Fine Intermediate
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CAS No.4931-66-2 Methyl L-pyroglutamate
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CAS No.4931-66-2 Methyl L-pyroglutamate CAS No.4931-66-2
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CAS No.4931-66-2 Methyl L-pyroglutamate
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CAS No.4931-66-2 L-Pyroglutamic acid methyl ester 4931-66-2
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CAS No.4931-66-2 Methyl L-pyroglutamate
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CAS No.4931-66-2 L-Pyr-Ome cas no. 4931-66-2 98%
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CAS No.4931-66-2 L-Pyroglutamic acid methyl ester
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CAS No.4931-66-2 Methyl L-pyroglutamate
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CAS No.4931-66-2 High purity L-Pyroglutamic Acid Methyl Ester 4931-66-2 in stock immediately delivery good supplier
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CAS No.4931-66-2 Methyl L-pyroglutamate
Assay:98% Package:According to the demand of customer Storage:Sealed, dry, microtherm , avoid light and smell. Transportation:by air or by sea Application:Organic synthesis
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