L-Pyroglutamic acid, 99%
Synonyms: (S)-(-)-2-Pyrrolidone-5-carboxylic acid · (S)-5-Oxo-2-pyrrolidinecarboxylic acid · Pyroglutamic acid · Pidolic acid
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.
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
| Product name | L-Pyroglutamic acid, 99% |
|---|---|
| Catalogue No. | VQ-002146 |
| CAS Number | 98-79-3 |
| IUPAC name | (2S)-5-oxopyrrolidine-2-carboxylic acid |
| Molecular formula | C5H7NO3 |
| Molecular weight | 129.11 g/mol |
| Exact mass | 129.0426 |
| Grade | Biochemistry |
| Purity / assay | 99% |
| HSN code | 29224210 |
| InChIKey | ODHCTXKNWHHXJC-VKHMYHEASA-N |
| SMILES | C1CC(=O)N[C@@H]1C(=O)O |
| PubChem CID | 7405 |
| Physical form | Powder |
|---|---|
| Appearance | White to off-white crystalline powder |
| Melting point | 155-162 °C |
| LogP (XLogP3) | -0.8 |
| H-bond donors / acceptors | 2 / 3 |
| TPSA | 66.4 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)
Signal word: Danger
Hazard statements
H315Causes skin irritationH318Causes serious eye damageH319Causes serious eye irritationH335May 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%
We reply within one business day with price, pack options, lead time and documentation.