L-Prolyl-L-isoleucine - ≥98% , CAS No.51926-51-3

CAS: 51926-51-3 Cat. No.: L354761 Molecular Weight: 228.29
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
N-L-Prolyl-L-isoleucine | H-Pro-Ile | (2S,3S)-3-methyl-2-[[(2S)-pyrrolidine-2-carbonyl]amino]pentanoic acid | L-Pro-L-Ile | l-prolyl-l-isoleucine | Prolylisoleucine | Prolyl-isoleucine | AKOS010420273 | H-Pro-Ile-OH | Pro-ile | OCYROESYHWUPBP-CIUDSAMLSA-N
Storage
Protected from light,Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
L354761-100mg
1

$229.90

$267.90
Save $38.00 (14.18%)
250mg
L354761-250mg
1
$489.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C Ships Ice chest + Ice pads 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
N-L-Prolyl-L-isoleucine | H-Pro-Ile | (2S, 3S)-3-methyl-2-[[(2S)-pyrrolidine-2-carbonyl]amino]pentanoic acid | L-Pro-L-Ile | l-prolyl-l-isoleucine | Prolylisoleucine | Prolyl-isoleucine | AKOS010420273 | H-Pro-Ile-OH | Pro-ile | OCYROESYHWUPBP-CIUDSAMLSA-N
Specifications & Purity
≥98%
Storage
Protected from light, Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesCCC(C)C(C(=O)O)NC(=O)C1CCCN1
IUPAC Name(2S,3S)-3-methyl-2-[[(2S)-pyrrolidine-2-carbonyl]amino]pentanoic acid
InChIKeyOCYROESYHWUPBP-CIUDSAMLSA-N
INCHI1S/C11H20N2O3/c1-3-7(2)9(11(15)16)13-10(14)8-5-4-6-12-8/h7-9,12H,3-6H2,1-2H3,(H,13,14)(H,15,16)/t7-,8-,9-/m0/s1
Isomeric SMILES CC[C@H](C)[C@@H](C(=O)O)NC(=O)[C@@H]1CCCN1
Molecular Weight 228.29
Reaxy-Rn 13477909
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=13477909&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
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Peptides
Direct ParentDipeptides
Alternative Parents Isoleucine and derivatives  Proline and derivatives  N-acyl-L-alpha-amino acids  Alpha amino acid amides  Pyrrolidinecarboxamides  Heterocyclic fatty acids  Methyl-branched fatty acids  Secondary carboxylic acid amides  Amino acids  Carboxylic acid salts  Azacyclic compounds  Carboxylic acids  Dialkylamines  Monocarboxylic acids and derivatives  Organic zwitterions  Organic salts  Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Alpha-dipeptide - Isoleucine or derivatives - N-acyl-alpha amino acid or derivatives - N-acyl-alpha-amino acid - N-acyl-l-alpha-amino acid - Proline or derivatives - Alpha-amino acid amide - Alpha-amino acid or derivatives - Pyrrolidine carboxylic acid or derivatives - Pyrrolidine-2-carboxamide - Heterocyclic fatty acid - Methyl-branched fatty acid - Branched fatty acid - Fatty acyl - Fatty acid - Pyrrolidine - Amino acid - Carboxamide group - Carboxylic acid salt - Secondary carboxylic acid amide - Amino acid or derivatives - Azacycle - Carboxylic acid - Secondary aliphatic amine - Organoheterocyclic compound - Monocarboxylic acid or derivatives - Secondary amine - Amine - Organic oxygen compound - Organic nitrogen compound - Hydrocarbon derivative - Carbonyl group - Organopnictogen compound - Organic salt - Organic zwitterion - Organonitrogen compound - Organooxygen compound - Organic oxide - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dipeptides. These are organic compounds containing a sequence of exactly two alpha-amino acids joined by a peptide bond.
External Descriptors dipeptide
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
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.

4 results found

Lot NumberCertificate TypeDateItem
C2506406Certificate of AnalysisJan 04, 2025 L354761
C2506407Certificate of AnalysisJan 04, 2025 L354761
C2506408Certificate of AnalysisJan 04, 2025 L354761
C2506409Certificate of AnalysisJan 04, 2025 L354761
Chemical and Physical Properties
Solubilitybasic aqueous solutions
SensitivityLight sensitive
Molecular Weight228.290 g/mol
XLogP3-2.600
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count4
Rotatable Bond Count5
Exact Mass228.147 Da
Monoisotopic Mass228.147 Da
Topological Polar Surface Area78.400 Ų
Heavy Atom Count16
Formal Charge0
Complexity268.000
Isotope Atom Count0
Defined Atom Stereocenter Count3
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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