DL-Pyroglutamic acid

DL-Pyroglutamic acid Basic information

Product Name:	DL-Pyroglutamic acid
Synonyms:	DL-Proline, 5-oxo-;(+/-)-2-PYRROLIDONE-5-CARBOXYLIC ACID;2-PYRROLIDONE-5-CARBOXYLIC ACID;(+/-)-2-PYRROLIDINONE-5-CARBOXYLIC ACID;DL-A-PYROGLUTAMIC ACID;DL-GLUTAMIC ACID LACTAM;DL-PYROGLUTAMIC ACID;5-OXO-DL-PROLINE
CAS:	149-87-1
MF:	C5H7NO3
MW:	129.11
EINECS:	205-748-3
Product Categories:	Pyrrole&Pyrrolidine&Pyrroline;Organic acids;Pyroglutamic acid [Pyr, pGu];Amino Acids;Biochemistry;Biological-modified Amino Acids;Heterocycles;Amino Acids;Amino acid;bc0001
Mol File:	149-87-1.mol

DL-Pyroglutamic acid Chemical Properties

Melting point	183-185 °C(lit.)
Boiling point	239.15°C (rough estimate)
density	1.3816 (rough estimate)
vapor pressure	0Pa at 25℃
refractive index	1.4220 (estimate)
storage temp.	Sealed in dry,Room Temperature
solubility	52g/l
pka	3.48±0.20(Predicted)
form	Crystalline Powder
color	White
PH	1.7 (50g/l, H2O, 20℃)
Water Solubility	5.67 g/100 mL (20 ºC)
BRN	82131
InChIKey	ODHCTXKNWHHXJC-UHFFFAOYSA-N
LogP	0.065 at 21.1℃
CAS DataBase Reference	149-87-1(CAS DataBase Reference)
NIST Chemistry Reference	DL-5-Oxoproline(149-87-1)

Safety Information

Hazard Codes	Xn,Xi
Risk Statements	22-36/37/38
Safety Statements	26-37/39
WGK Germany	3
HazardClass	IRRITANT
HS Code	29337900

MSDS Information

Provider	Language
DL-2-Pyrrolidone-5-carboxylic acid	English
ACROS	English
SigmaAldrich	English
ALFA	English

DL-Pyroglutamic acid Usage And Synthesis

Chemical Properties	DL-Pyroglutamic acid is white crystalline powder
Uses	DL-Pyroglutamic acid is used in the preparation of AZT steroid conjugates as potent anti-HIV agents.
Uses	DL-2-Pyrrolidone-5-carboxylic Acid is used in the preparation of AZT steroid conjugates as potent anti-HIV agents.
Definition	ChEBI: An oxoproline having the oxo group placed at the 5-position. It is an intermediate metabolite in the glutathione cycle.
Flammability and Explosibility	Nonflammable

DL-Pyroglutamic acid Preparation Products And Raw materials

Raw materials	2-amino-5-butoxy-5-oxo-pentanoic acid-->(S)-5-(allyloxy)-4-(((allyloxy)carbonyl)amino)-5-oxopentanoicacid-->benzyl 5-oxoprolinate-->N10-Trifluoroacetyl Pyrofolic Acid-->Folic acid-->H-GLU(OET)-OH-->DL-Glutamic acid
Preparation Products	L-Theanine-->L-Pyroglutamic acid-->L-Glutamic acid-->2-HydroxyMethylpyrrolidine-->5-(p-Tolyl)pyrrolidin-2-one-->5-Oxo-1-phenyl-pyrrolidine-2-carboxylic acid-->Methyl 1-Boc-5-oxopyrrolidine-2-carboxylate

BOC-PYR-OH DCHA L-Arginine-L-pyroglutamate Hyaluronic acid Ethyl 2-(Chlorosulfonyl)acetate DL-Pyroglutamic acid Methyl L-pyroglutamate 2-Pyrrolidinone TIMTEC-BB SBB004232 Folic acid DL-Glutamic acid 2-Pyrrolidone-5-carboxylic acid sodium salt Ethyl D-(-)-pyroglutamate Ethyl L-pyroglutamate 5-ETHYLCARBOXYL-2-PYRROLIDINONE DL-PYROGLUTAMIC ACID SODIUM Cyclopentene oxide Z-PYR-ONP L-PYROGLUTAMIC ACID PENTACHLOROPHENYL ESTER

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