Methyl L-pyroglutamate CAS 4931-66-2

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Methyl L-pyroglutamate ((S)-Methyl 5-oxopyrrolidine-2-carboxylate;L-Pyroglutamic acid methyl ester) was isolated from cabbage.
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Model:
4931-66-2
Brand:
futurechemical
Code:
4931-66-2

Product Description

Methyl L-pyroglutamate Basic information
Product Name:	Methyl L-pyroglutamate
CAS:	4931-66-2
MF:	C6H9NO3
MW:	143.14
EINECS:	225-567-3
Mol File:	4931-66-2.mol
Methyl L-pyroglutamate Chemical Properties
alpha	10.5 º (c=1, EtOH)
Boiling point	90°C (0.3 mmHg)
density	1.226
refractive index	1.486
Fp	>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 Rotation	[α]20/D +10.5°, c = 1 in ethanol
InChI	1S/C6H9NO3/c1-10-6(9)4-2-3-5(8)7-4/h4H,2-3H2,1H3,(H,7,8)/t4-/m0/s1
InChIKey	HQGPKMSGXAUKHT-BYPYZUCNSA-N
SMILES	COC(=O)[C@@H]1CCC(=O)N1
CAS DataBase Reference	4931-66-2(CAS DataBase Reference)

Methyl L-pyroglutamate 4931-66-2 C6H9NO3 Food flavor

Our Advantages

Specifications & technical advantages:
Higher main content and lower impurity levels; batch-to-batch stability; better solubility, particle size, and flowability, facilitating downstream processes.
Quality system advantages:
Certification list - ISO 9001, REACH registration number, FDA, Kosher, Halal; each batch comes with a COA, supporting third-party testing (SGS, etc.); full traceability.
Supply chain advantages:
Own factory/integrated production; annual production capacity is at full capacity, with plans to expand production; some stock is available for immediate delivery; delivery time is clear.

Transportation

Packaging & Loading

25 kg bags with inner PE liner, 40 bags per pallet (1 MT), shrink-wrapped and fumigation-free; 20 MT per 20' FCL, 28 MT per 40' HQ.

Shipping

Sea freight is recommended for bulk orders (30–40 days to Europe/US); samples ship via DHL/FedEx within 3–7 days. Available terms: FOB Qingdao / CIF / DDP.

Dangerous goods

Classified as UN, Class, Packing Group; we provide full DG documentation and comply with IMDG for all ocean shipments.

Documents

Commercial invoice, packing list, bill of lading, COA, SDS, and certificate of origin are included with every shipment.

Methyl L-pyroglutamate CAS 4931-66-2

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