ChemicalBook >> CAS DataBase List >>DL-Pyroglutamic acid

DL-Pyroglutamic acid

DL-Pyroglutamic acid structure

CAS No.: 149-87-1

Chemical Name:: DL-Pyroglutamic acid

Synonyms: 2-PYRROLIDONE-5-CARBOXYLIC ACID;H-DL-PYR-OH;DL-Pyr-OH;DL-PYR;5-OXO-DL-PROLINE;DL-Proline, 5-oxo-;DL- pGlu-OH;DL-5-Oxoproline;DL-Pyroglutamic;DL- pyroglutaMate

CBNumber:: CB2709505

Molecular Formula:: C5H7NO3

Molecular Weight:: 129.11

MDL Number:: MFCD00064322

MOL File:: 149-87-1.mol

Last updated:2025-10-09 14:55:14

Product description	Number	Pack Size	Price
2-Pyrrolidone-5-carboxylic acid 99%	292915	5g	$35.9
2-Pyrrolidone-5-carboxylic acid 99%	292915	100g	$116
DL-Pyroglutamic Acid >99.0%(T)	G0061	25g	$28
DL-Pyroglutamic Acid >99.0%(T)	G0061	100g	$61
DL-Pyroglutamic Acid >99.0%(T)	G0061	500g	$139
More product size

Request For Quotation

DL-Pyroglutamic acid 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)
FDA UNII	6VT1YZM21H
NIST Chemistry Reference	DL-5-Oxoproline(149-87-1)
UNSPSC Code	12352106
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS05,GHS07

Signal word

Warning

Hazard statements

H318-H302-H315-H319-H335

Precautionary statements

P261-P305+P351+P338-P280a-P304+P340-P405-P501a

Hazard Codes

Xn,Xi

Risk Statements

22-36/37/38

Safety Statements

26-37/39

WGK Germany

HazardClass

IRRITANT

HS Code

29337900

NFPA 704

	1
3		0

DL-Pyroglutamic acid price More Price(27)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	292915	2-Pyrrolidone-5-carboxylic acid 99%	149-87-1	5g	$35.9	2025-07-31	Buy
Sigma-Aldrich	292915	2-Pyrrolidone-5-carboxylic acid 99%	149-87-1	100g	$116	2025-07-31	Buy
TCI Chemical	G0061	DL-Pyroglutamic Acid >99.0%(T)	149-87-1	25g	$28	2025-07-31	Buy
TCI Chemical	G0061	DL-Pyroglutamic Acid >99.0%(T)	149-87-1	100g	$61	2025-07-31	Buy
TCI Chemical	G0061	DL-Pyroglutamic Acid >99.0%(T)	149-87-1	500g	$139	2025-07-31	Buy

Product number	Packaging	Price	Buy
292915	5g	$35.9	Buy
292915	100g	$116	Buy
G0061	25g	$28	Buy
G0061	100g	$61	Buy
G0061	500g	$139	Buy

DL-Pyroglutamic acid Chemical Properties,Uses,Production

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

Non flammable

reaction suitability

reaction type: solution phase peptide synthesis

DL-Pyroglutamic acid synthesis

Synthesis of DL-Pyroglutamic acid from L-Glutamic acid

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

1of2

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

1of2

DL-Pyroglutamic acid Suppliers

Global( 424)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
BLiT (Hefei)Chemical Co.,Ltd	+86-551-62622640	sales@blitchem.com	China	293	58
Hebei Chuanghai Biotechnology Co., Ltd	+8615350571055	Sibel@chuanghaibio.com	China	8772	58
Sichuan Zhuoyu Yantang Technology Co., Ltd.	+8613288715578	sales@sichuanzyyt.com	China	12247	58
Hebei Chuanghai Biotechnology Co,.LTD	+86-13131129325	sales1@chuanghaibio.com	China	5251	58
Hebei Zhuanglai Chemical Trading Co.,Ltd	+8613343047651	admin@zlchemi.com	China	3692	58
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD	+86-15350851019; +8615350851019	admin@86-ss.com	China	999	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718; +8613336195806	sales@capot.com	China	29734	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21620	55
Shanghai Time Chemicals CO., Ltd.	+86-021-57951555 +8617317452075	jack.li@time-chemicals.com	China	1803	55
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60

Supplier	Advantage
BLiT (Hefei)Chemical Co.,Ltd	58
Hebei Chuanghai Biotechnology Co., Ltd	58
Sichuan Zhuoyu Yantang Technology Co., Ltd.	58
Hebei Chuanghai Biotechnology Co,.LTD	58
Hebei Zhuanglai Chemical Trading Co.,Ltd	58
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD	58
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
Shanghai Time Chemicals CO., Ltd.	55
ATK CHEMICAL COMPANY LIMITED	60

View Lastest Price from DL-Pyroglutamic acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-10-15	DL-Pyroglutamic acid 149-87-1	US $0.00 / Kg/Drum	1KG	98%min	500kgs	WUHAN FORTUNA CHEMICAL CO., LTD
2025-10-11	DL-Pyroglutamic acid 149-87-1	US $10.00 / KG	1KG	99%	10 mt	Hebei Chuanghai Biotechnology Co., Ltd
2025-10-09	DL-Pyroglutamic acid 149-87-1	US $30.00 / mL		99.88%	10g	TargetMol Chemicals Inc.

DL-Pyroglutamic acid
149-87-1
US $0.00 / Kg/Drum
98%min
WUHAN FORTUNA CHEMICAL CO., LTD

DL-Pyroglutamic acid
149-87-1
US $10.00 / KG
99%
Hebei Chuanghai Biotechnology Co., Ltd

DL-Pyroglutamic acid
149-87-1
US $30.00 / mL
99.88%
TargetMol Chemicals Inc.

DL-Pyroglutamic acid Spectrum

DL-Pyroglutamic acid(149-87-1)MS DL-Pyroglutamic acid(149-87-1)¹HNMR DL-Pyroglutamic acid(149-87-1)IR1 DL-Pyroglutamic acid(149-87-1)IR2 DL-Pyroglutamic acid(149-87-1)Raman

149-87-1(DL-Pyroglutamic acid)Related Search:

Hyaluronic acid Ethyl 2-(Chlorosulfonyl)acetate 2-Pyrrolidinone Folic acid DL-Glutamic acid

Polyglutamic acid D-Pyroglutamic acid GLDH L-Pyroglutamic acid DL-Malic acid

L-Glutamic acid Citric acid Ascoric Acid DL-Ornithine hydrochloride DL-Homoserine

DL-Histidine DL-Arginine hydrochloride monohydrate DL-Leucine

1of4

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 DL-2-PYRROLIDINONE-5-CARBOXYLIC ACID 2-Pyrrolidone-5-carboxylic acid 99% DL- pyroglutaMate (^+)-2-Pyrrolidinone-5-carboxylicacid,99% DL-PYR DL-Pyr-OH DL-2-Pyrrolidone-5-carboxylic acid for synthesis Pyroglutamic acid, 98.5% D,L-2-PYRROLIDONE-5-CARBOXYLIC ACID DL-5-OXO-2-PYRROLIDINECARBOXYLIC ACID DL-5-PYRROLIDONE-2-CARBOXYLIC ACID LABOTEST-BB LT00005913 H-DL-PYR-OH DL-5-Oxoproline DL-Pyroglutamic (n)-2-pyrrolidinone-5-carboxylic acid DL- pGlu-OH Pyroglutamic acid and esters (±)-2-Pyrrolidone-5-carboxylic acid, DL-5-Oxo-2-pyrrolidinecarboxylic acid DL-5-Oxo-2-pyrrolidinecarboxylic acid, DL-Pyroglutamic acid DL-Pyroglutamic acid ,98.5% D,l-2-pyrrolidone-5-carboxylic acid,98% dl-Pyrrolidone carboxylic acid DL-Glutamic Acid Lactam 2-Pyrrolidone-5-carboxylic Acid DL-PyroglutamicAcid> DL-Pyroglutamic acid USP/EP/BP C5H7NO3 DL-Pyroglutamic acid 149-87-1 DL-Pyroglutamic Acid, ≥ 99.0% Carboglutamate impurity 6 DL-Pyroglutamic acid, 10 mM in DMSO DL-2-Pyrrolidone-5-carboxylic acidCNA10145-25g 149-87-1 CARBOXYLIC ACID Others Peptide Synthesis Pyroglutamine Derivatives Specialty Synthesis Unnatural Amino Acid Derivatives Pyrrole&Pyrrolidine&Pyrroline Organic acids Pyroglutamic acid [Pyr, pGu] Amino Acids Biochemistry Biological-modified Amino Acids Amino Acids Heterocycles Amino acid bc0001