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Methyl L-pyroglutamate

Product Name
Methyl L-pyroglutamate
CAS No.
4931-66-2
Chemical Name
Methyl L-pyroglutamate
Synonyms
PYR-OME;pGlu-OMe;L-PYR-OME;H-PYR-OME;AKOS 91512;H-PGLU-OME;Pyr-OMe-OH;H-L-Pyr-OMe;L-Pyr-OMe-OH;H-pyroGlu-OMe
CBNumber
CB2771106
Molecular Formula
C6H9NO3
Formula Weight
143.14
MOL File
4931-66-2.mol
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Methyl L-pyroglutamate Property

Boiling point:
90°C (0.3 mmHg)
alpha 
10.5 º (c=1, EtOH)
Density 
1.226
refractive index 
1.486
Flash point:
>110°C
storage temp. 
Inert atmosphere,Room Temperature
solubility 
Chloroform (Slightly), Ethanol (Sparingly)
pka
14.65±0.40(Predicted)
form 
Liquid
color 
Pale yellow
optical activity
[α]20/D +10.5°, c = 1 in ethanol
CAS DataBase Reference
4931-66-2(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
HS Code 
29337900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
463396
Product name
Methyl (S)-(+)-2-pyrrolidone-5-carboxylate
Purity
97%
Packaging
5g
Price
$127
Updated
2023/06/20
TCI Chemical
Product number
M2198
Product name
Methyl L-Pyroglutamate
Purity
>98.0%(GC)
Packaging
25g
Price
$52
Updated
2024/03/01
TCI Chemical
Product number
M2198
Product name
Methyl L-Pyroglutamate
Purity
>98.0%(GC)
Packaging
100g
Price
$143
Updated
2024/03/01
Alfa Aesar
Product number
H62543
Product name
Methyl (S)-(+)-2-oxopyrrolidine-5-carboxylate, 97%
Packaging
5g
Price
$54.65
Updated
2024/03/01
Alfa Aesar
Product number
H62543
Product name
Methyl (S)-(+)-2-oxopyrrolidine-5-carboxylate, 97%
Packaging
25g
Price
$239.65
Updated
2024/03/01
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Methyl L-pyroglutamate Chemical Properties,Usage,Production

Chemical Properties

Brown Oil

Uses

Methyl (S)-Pyroglutamate (cas# 4931-66-2) is a compound useful in organic synthesis.

Methyl L-pyroglutamate Preparation Products And Raw materials

Raw materials

Preparation Products

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Methyl L-pyroglutamate Suppliers

Suzhou Lakestar Pharmatech Co., Ltd.
Tel
0512-63970158-603 18018108880
Fax
0512-63971078
Email
info@lakestarpharma.com
Country
China
ProdList
410
Advantage
59
Shanghai Boyle Chemical Co., Ltd.
Tel
021-50182298 021-50180596
Fax
+86-21-57758967
Email
sales@boylechem.com
Country
China
ProdList
2210
Advantage
55
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
PharmaBlock Sciences (Nanjing),Inc.
Tel
400-0255188 4000255188
Fax
86-025-86918232
Email
sales@pharmablock.com
Country
China
ProdList
5268
Advantage
55
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
Advantage
84
Sichuan Tongsheng Amino acids Co.,Ltd.
Tel
0838-2809458 13350585791
Fax
+86-838-2274207
Email
pharm@biots.cn
Country
China
ProdList
349
Advantage
66
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
ShangHai DEMO Chemical Co.,Ltd
Tel
400-021-7337 2355568890
Fax
0086-21-50182339
Email
sales@demochem.com
Country
China
ProdList
2572
Advantage
57
Ark Pharm, Inc.
Tel
847-367-3680
Fax
847-367-3681
Email
sales@arkpharminc.com
Country
United States
ProdList
1670
Advantage
56
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View Lastest Price from Methyl L-pyroglutamate manufacturers

Hebei Duling International Trade Co. LTD
Product
Methyl L-pyroglutamate 4931-66-2
Price
US $56.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000 tons
Release date
2023-03-24
Hebei Guanlang Biotechnology Co,.LTD
Product
Methyl L-pyroglutamate 4931-66-2
Price
US $5.00-2.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000kg
Release date
2023-03-29
Career Henan Chemical Co
Product
Methyl L-pyroglutamate 4931-66-2
Price
US $7.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
100kg
Release date
2018-12-24

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