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Ethyl L-pyroglutamate

Ethyl L-pyroglutamate Structure
CAS No.
7149-65-7
Chemical Name:
Ethyl L-pyroglutamate
Synonyms
PYR-OET;NSC 7227;pGlu-OEt;H-PYR-OET;NSC 72279;L-Pyr-OEt;Saxaint-A;NSC 166529;L-Pyr-Oet-OH;(S)-+-H-PYR-OET
CBNumber:
CB6459440
Molecular Formula:
C7H11NO3
Molecular Weight:
157.17
MOL File:
7149-65-7.mol
MSDS File:
SDS
Modify Date:
2024/7/26 17:49:17

Ethyl L-pyroglutamate Properties

Melting point 54-56 °C
Boiling point 176 °C12 mm Hg(lit.)
alpha -3.5 º (c=5, water)
Density 1.2483 (rough estimate)
refractive index 1.4310 (estimate)
Flash point >230 °F
storage temp. Keep in dark place,Sealed in dry,Room Temperature
pka 14.78±0.40(Predicted)
form Low Melting Solid
color White to cream
optical activity [α]19/D +3.3°, c = 10 in ethanol
BRN 82621
LogP -1.390 (est)
CAS DataBase Reference 7149-65-7(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-37/39
WGK Germany  3
3-10
HS Code  29339900
NFPA 704
1
2 0

Ethyl L-pyroglutamate Chemical Properties,Uses,Production

Chemical Properties

White to cream low melting solid

Uses

(S)-(+)-5-Ethylcarboxyl-2-pyrrolidinone (cas# 7149-65-7) is a compound useful in organic synthesis.

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ETHYL L-PYROGLUTAMATE ETHYL (S)-PYROGLUTAMATE ETHYL (S)-2-PYRROLIDINONE-5-CARBOXYLATE ETHYL (S)-(+)-2-PYRROLIDONE-5-CARBOXYLATE ETHYL (S)-2-PYRROLIDONE-5-CARBOXYLATE H-PYR-OET ethyl 5-oxo-L-prolinate (S)-(+)-5-Ethylcarboxyl-2-pyrrolidinone 5-Oxo-L-proline Ethyl Ester (+)-L-PYROGLUTAMIC ACID ETHYL ESTER L-PYROGLUTAMIC ACID ETHYL ESTER 5-OXO-PROLINE ETHYL ESTER PYR-OET SPECS AQ-405/40679537 (S)-ETHYL 2-PYRROLIDONE-5-CARBOXYLATE (S)-5-OXOPROLINE ETHYL ESTER Ethyl (2S)-5-Oxopyrrolidine-2-carboxylate NSC 166529 NSC 7227 ETHYL(S)-(-)-2-PYRROLIDINE-5-CARBOXYLATE ETHYL (S)-(+)-2-OXO-PYRROLIDINE-5-CARBOXYLATE (S)-+-H-PYR-OET NSC 72279 (S)-5-Oxoproline ethyl ester, L-Pyroglutamic acid ethyl ester L-Proline, 5-oxo-, ethyl ester Ethyl (S)-(+)-2-pyrrolidone-5-carboxylate,99% (2S)-5-Oxo-2α-pyrrolidinecarboxylic acid ethyl ester (S)-5-Oxo-2-pyrrolidinecarboxylic acid ethyl ester Pyroglutamic acid ethyl ester (S)-Ethyl 5-oxopyrrolidine-2-carboxylate Ethyl-(S)-(+)-2-pyrrolidino-5-carboxylate pGlu-OEt Ethyl (S)-(+)-pyrrolidone-5-carboxylate hyl L-pyroglutaMate ethyl 5-oxoprolinate Ethyl L-2-Pyrrolidinone-5-carboxylate L-Pyr-OEt L-Pyroglutamic acid ethyl ester≥ 98% (HPLC) Saxaint-A Ethyl (S)-(+)-2-pyrrolidone-5-carboxylate 98% Ethyl L-pyroglutamate USP/EP/BP Ethyl (S)-5-oxopyrrolidine-2-carboxylate Ethyl L-pyroglutamatec Ethyl (S)-(+)-2-pyrrolidinone-5- L-Pyr-Oet-OH 7149-65-7 Peptide Synthesis Pyroglutamine Derivatives Specialty Synthesis Unnatural Amino Acid Derivatives pharmacetical Heterocycles Miscellaneous Reagents Chiral Reagents Pyroglutamic acid [Pyr, pGu]