H-Pyr-OH - ≥99% , CAS No.98-79-3

CAS: 98-79-3 Cat. No.: P106004 Summenformel: C5H7NO3 Molekulargewicht: 129.11 Beilstein Registry Number: 82132 EG-Nummer: 202-700-3
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GRADE & PURITY ≥99%
Synonyms
L-5-Oxo-2-pyrrolidinecarboxylic acid | L-Pyrrolidinonecarboxylate | MLS001332421 | DTXCID4026260 | pyrrolidone car-boxylic acid | (S)-5-Oxopyrrolidine-2-carboxylic Acid | 2-Benzothiazolesulfenic acid morpholide | (-)-Pyroglutamate | (S)-(-)-2-Pyrrolidone-
Storage
Argon charged,Room temperature
Shipped In
Normal
★
Size
Deutschland (EU)
USA*
Price
Qty
25g
P106004-25g
—
4 Auf Lager
8,59€
100g
P106004-100g
—
5 Auf Lager
13,80€
500g
P106004-500g
1 Auf Lager
1 Auf Lager
29,42€
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 32 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Übersicht

L-Pyroglutamic acid is a building block for pharmaceuticals and asymmetric synthesis.
A building block for pharmaceuticals and asymmetric synthesis

Specifications

Synonyme
L-5-Oxo-2-pyrrolidinecarboxylic acid | L-Pyrrolidinonecarboxylate | MLS001332421 | DTXCID4026260 | pyrrolidone car-boxylic acid | (S)-5-Oxopyrrolidine-2-carboxylic Acid | 2-Benzothiazolesulfenic acid morpholide | (-)-Pyroglutamate | (S)-(-)-2-Pyrrolidone-
Spezifikationen & Reinheit
≥99%
Storage
Argon charged,Room temperature
Verschickt in
Normal
Reinheit
≥99%
Namen und Kennungen
Pubchem Sid504751332
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504751332
Kanonisches LächelnC1CC(=O)NC1C(=O)O
IUPAC Name(2S)-5-oxopyrrolidine-2-carboxylic acid
InChIKeyODHCTXKNWHHXJC-VKHMYHEASA-N
INCHI1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/t3-/m0/s1
Isomere SMILES C1CC(=O)N[C@@H]1C(=O)O
WGK Deutschland 3
RTECS TW3710000
Molekulargewicht 129.11
Beilstein 82132
Reaxy-Rn 82131
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=82131&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
KlasseCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives
Direct ParentAlpha amino acids and derivatives
Alternative Parents Pyrroline carboxylic acids  Cyclic carboximidic acids  Lactims  Propargyl-type 1,3-dipolar organic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Alpha-amino acid or derivatives - Pyrroline carboxylic acid - Pyrroline carboxylic acid or derivatives - Pyrroline - Cyclic carboximidic acid - Lactim - Carboxylic acid - Monocarboxylic acid or derivatives - Propargyl-type 1,3-dipolar organic compound - Organic 1,3-dipolar compound - Azacycle - Organoheterocyclic compound - Organopnictogen compound - Organic oxygen compound - Organooxygen compound - Organic oxide - Hydrocarbon derivative - Carbonyl group - Organic nitrogen compound - Organonitrogen compound - Aliphatic heteromonocyclic compound
BeschreibungThis compound belongs to the class of organic compounds known as alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof.
External Descriptors Other amino acids
3D-Struktur
Interaktives chemisches Strukturmodell





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Wirkungsmechanismen
Zertifikate (CoA, COO, BSE/TSE und Analyse-Diagramm)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

13 results found

Lot NumberCertificate TypeDatumArtikel
A2626087Certificate of AnalysisJan 31, 2026 P106004
G2524114Certificate of AnalysisJul 26, 2025 P106004
F2115266Certificate of AnalysisMar 04, 2025 P106004
D2120035Certificate of AnalysisFeb 07, 2025 P106004
K2505712Certificate of AnalysisJul 10, 2024 P106004
K2505713Certificate of AnalysisJul 10, 2024 P106004
C1921128Certificate of AnalysisJan 11, 2023 P106004
B2308379Certificate of AnalysisJun 27, 2022 P106004
B2308380Certificate of AnalysisJun 27, 2022 P106004
I2212198Certificate of AnalysisJun 27, 2022 P106004
I2212200Certificate of AnalysisJun 27, 2022 P106004
I2212201Certificate of AnalysisJun 27, 2022 P106004
G2215254Certificate of AnalysisMay 31, 2021 P106004
Chemische und physikalische Eigenschaften
LöslichkeitSoluble in water (10-15% at 20 °C), alcohol, acetone, DMSO, and methanol.
EmpfindlichkeitHygroscopic
Spezifische Drehung [α]-10 ° (C=5, H2O)
Schmelzpunkt (°C)152-162°C
Molekulargewicht129.110 g/mol
XLogP3-0.800
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass129.043 Da
Monoisotopic Mass129.043 Da
Topological Polar Surface Area66.400 Ų
Heavy Atom Count9
Formal Charge0
Complexity154.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
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Citations of This Product
Lösungsrechner
Bewertungen

Kundenbewertungen

Häufig gestellte Fragen

What is the purity of this product?
This product is supplied at ≥99% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 98-79-3, the molecular formula is C5H7NO3, and the molecular weight is 129.11 g/mol. InChIKey ODHCTXKNWHHXJC-VKHMYHEASA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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