D-Pyroglutamic acid

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CAS No: 4042-36-8
Product Name: D-Pyroglutamic acid
Other Name:
D-Pyroglutamic acid
5-oxo-D-proline
(2R)-5-oxopyrrolidine-2-carboxylic acid
L-Pidolic acid
(S)-(-)-2-pyrrolidone-5-carboxylic acid
Pyrrolidonecarboxylic acid
(S)-(-)-γ-Butyrolactam-γ-carboxylic acid
2-Oxo-1-pyrrolidinecarboxylic acid
D-Pyroglutamic Acid
Pyroglutamic acid
L-5-Oxoproline
(S)-(−)-Pyroglutamic acid
(R)-2-Pyrrolidone-5-carboxylic Acid
a-Aminoglutaric Acid Lactam
D-Glutamic Acid Lactam
D-(+)-Pyroglutamic Acid
(S)-(−)-2-Pyrrolidone-5-carboxylic acid
(R)-(+)-2-Pyrrolidinone-5-Carboxylic Acid
(R)-5-Oxopyrrolidine-2-carboxylic Acid
(-)-Pyroglutamic acid
L-Glutamic Acid g-Lactam
 
Density: 1.4±0.1 g/cm3
Boiling Point: 453.1±38.0 °C at 760 mmHg
Melting Point: 155-162ºC
Molecular Formula: C5H7NO3
Molecular Weight: 129.114
Flash Point: 227.8±26.8 °C
Exact Mass: 129.042587
PSA: 66.40000
LogP: -2.39
Vapour Pressure: 0.0±2.4 mmHg at 25°C
Index of Refraction: 1.512
 
Specification
Appearance: White crystal powder
Assay: ≥99.0%
Specific rotation: +10.8~+12.5º 
Loss on drying: ≤0.30%
Cl: ≤0.02%
Fe: ≤10ppm
As: ≤1ppm
Residue on ignition: ≤0.1%
 
Application
Amino Acid Derivatives. Be used as pharmaceutical intermediates.
 
Package: 25kg/drum, can also be designed according to customer requirements.
Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

D-Pyroglutamic acid


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