L-Arginine-L-pyroglutamate - ≥95% , CAS No.56265-06-6

CAS: 56265-06-6 Cat. No.: L185231 Molecular Weight: 303.06 EC Number: 260-081-5 PubChem CID: 198346
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
Arginine PCA | Arginina pidolato | 5-Oxo-L-proline L-arginine salt | 808T94CEU6 | L-ARGININE L-2 PYRROLIDONE-5-CARBOXYLATE | UNII-808T94CEU6 | (2S)-2-amino-5-(diaminomethylideneamino)pentanoic acid;(2S)-5-oxopyrrolidine-2-carboxylic acid | L-Arginine-L-py
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
L185231-1g
3
$9.90
5g
L185231-5g
4

$11.90

$15.90
Save $4.00 (25.16%)
25g
L185231-25g
3

$12.90

$20.90
Save $8.00 (38.28%)
100g
L185231-100g
1

$13.90

$25.90
Save $12.00 (46.33%)
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

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

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Quality documents

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

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Arginine PCA | Arginina pidolato | 5-Oxo-L-proline L-arginine salt | 808T94CEU6 | L-ARGININE L-2 PYRROLIDONE-5-CARBOXYLATE | UNII-808T94CEU6 | (2S)-2-amino-5-(diaminomethylideneamino)pentanoic acid;(2S)-5-oxopyrrolidine-2-carboxylic acid | L-Arginine-L-py
Specifications & Purity
≥95%
Storage
Room temperature
Shipped In
Normal
Purity
≥95%
Names and Identifiers
Pubchem Sid504757805
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504757805
Canonical SmilesC1CC(=O)NC1C(=O)O.C(CC(C(=O)O)N)CN=C(N)N
IUPAC Name(2S)-2-amino-5-(diaminomethylideneamino)pentanoic acid;(2S)-5-oxopyrrolidine-2-carboxylic acid
InChIKeyUYCAGRPOUWSBIQ-WOYAITHZSA-N
INCHI1S/C6H14N4O2.C5H7NO3/c7-4(5(11)12)2-1-3-10-6(8)9;7-4-2-1-3(6-4)5(8)9/h4H,1-3,7H2,(H,11,12)(H4,8,9,10);3H,1-2H2,(H,6,7)(H,8,9)/t4-;3-/m00/s1
Isomeric SMILES C1CC(=O)N[C@@H]1C(=O)O.C(C[C@@H](C(=O)O)N)CN=C(N)N
PubChem CID 198346
Molecular Weight 303.06

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
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives - Alpha amino acids and derivatives - Alpha amino acids
Direct ParentL-alpha-amino acids
Alternative Parents Pyrrolidine carboxylic acids  Oxoprolines  Fatty acids and conjugates  Guanidines  Amino acids  Propargyl-type 1,3-dipolar organic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Carboximidamides  Organopnictogen compounds  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkNot available
Substituents L-alpha-amino acid - Oxoproline - Pyrrolidine carboxylic acid - Fatty acid - Amino acid - Guanidine - Carboxylic acid - Monocarboxylic acid or derivatives - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Carboximidamide - Organic oxygen compound - Amine - Primary amine - Organooxygen compound - Organonitrogen compound - Organic nitrogen compound - Primary aliphatic amine - Hydrocarbon derivative - Organic oxide - Carbonyl group - Organopnictogen compound - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
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.

1 results found

Lot NumberCertificate TypeDateItem
I1911053Certificate of AnalysisApr 09, 2025 L185231
Chemical and Physical Properties
Molecular Weight303.320 g/mol
XLogP3
Hydrogen Bond Donor Count6
Hydrogen Bond Acceptor Count7
Rotatable Bond Count6
Exact Mass303.154 Da
Monoisotopic Mass303.154 Da
Topological Polar Surface Area194.000 Ų
Heavy Atom Count21
Formal Charge0
Complexity331.000
Isotope Atom Count0
Defined Atom Stereocenter Count2
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Solution Calculators
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