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VAQORACHEMICALS
Amino Acids & DerivativesBiochemistryAvailable on request

L-Pyroglutamic acid, 99%

Synonyms: (S)-(-)-2-Pyrrolidone-5-carboxylic acid · (S)-5-Oxo-2-pyrrolidinecarboxylic acid · Pyroglutamic acid · Pidolic acid

CAS No.98-79-3
FormulaC5H7NO3
Mol. weight129.11
Catalogue No.VQ-002146
Purity99%
HSN29224210

L-Pyroglutamic acid (CAS 98-79-3) – amino acid derivative, Biochemistry grade, 99%. C5H7NO3, MW 129.11. Request a quote: COA, bulk packs and worldwide export.

Pack sizesPrice on quotation · bulk available
25 g
100 g
500 g
1 kg
5 x 1 kg
25 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About L-Pyroglutamic acid, 99%

L-Pyroglutamic acid (CAS 98-79-3) is an amino acid derivative offered by Vaqora Chemicals (Biochemistry grade) with a typical assay of 99%. The compound has the formula C5H7NO3, corresponding to a molecular weight of 129.11 g/mol. Its systematic (IUPAC) name is (2S)-5-oxopyrrolidine-2-carboxylic acid. Common synonyms include (S)-(-)-2-Pyrrolidone-5-carboxylic acid and (S)-5-Oxo-2-pyrrolidinecarboxylic acid.

In its supplied form it is a white to off-white crystalline powder. Literature values give a melting point of 155-162 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include peptide synthesis, cell culture media, biochemical research and organic synthesis. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

Vaqora Chemicals supplies L-Pyroglutamic acid in 25 g, 100 g, 500 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

  • Peptide synthesis
  • Cell culture media
  • Biochemical research
  • Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product nameL-Pyroglutamic acid, 99%
Catalogue No.VQ-002146
CAS Number98-79-3
IUPAC name(2S)-5-oxopyrrolidine-2-carboxylic acid
Molecular formulaC5H7NO3
Molecular weight129.11 g/mol
Exact mass129.0426
GradeBiochemistry
Purity / assay99%
HSN code29224210
InChIKeyODHCTXKNWHHXJC-VKHMYHEASA-N
SMILESC1CC(=O)N[C@@H]1C(=O)O
PubChem CID7405
Physical properties
Physical formPowder
AppearanceWhite to off-white crystalline powder
Melting point155-162 °C
LogP (XLogP3)-0.8
H-bond donors / acceptors2 / 3
TPSA66.4 Ų
Synonyms(S)-(-)-2-Pyrrolidone-5-carboxylic acid, (S)-5-Oxo-2-pyrrolidinecarboxylic acid, Pyroglutamic acid, Pidolic acid, 5-oxo-L-proline, 5-L-Oxoproline, L-Proline, 5-oxo-, L-5-Oxoproline, Pidolidone, (-)-2-Pyrrolidone-5-carboxylic acid, Acide pidolique, Acido pidolico

Safety & hazard information (GHS)

GHS05 Corrosive
Corrosive
GHS07 Harmful / irritant
Harmful / irritant

Signal word: Danger

Hazard statements

  • H315Causes skin irritation
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of L-Pyroglutamic acid, 99%?

The CAS Registry Number of L-Pyroglutamic acid, 99% is 98-79-3. It is also known as (S)-(-)-2-Pyrrolidone-5-carboxylic acid, (S)-5-Oxo-2-pyrrolidinecarboxylic acid, Pyroglutamic acid.

What is the molecular formula and molecular weight of L-Pyroglutamic acid, 99%?

L-Pyroglutamic acid, 99% has the molecular formula C5H7NO3 and a molecular weight of 129.11 g/mol. Its IUPAC name is (2S)-5-oxopyrrolidine-2-carboxylic acid.

Which grade and pack sizes of L-Pyroglutamic acid, 99% can I order?

We supply L-Pyroglutamic acid, 99% in Biochemistry (99%) grade, in 25 g, 100 g, 500 g, 1 kg, 5 x 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with L-Pyroglutamic acid, 99%?

Yes. Every lot of L-Pyroglutamic acid, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can L-Pyroglutamic acid, 99% be shipped internationally?

Yes. L-Pyroglutamic acid, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about L-Pyroglutamic acid, 99%

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

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