L-alanyl-L-tryptophan - ≥95% , CAS No.16305-75-2

CAS: 16305-75-2 Cat. No.: B301159 Molecular Weight: 275.31 Beilstein Registry Number: 22(3/4)6801
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
L-Alanyl-L-tryptophan|16305-75-2|Ala-Trp|L-Tryptophan, L-alanyl-|L-Alanyltryptophan|(S)-2-((S)-2-Aminopropanamido)-3-(1H-indol-3-yl)propanoic acid|CHEMBL91792|N-L-Alanyl-L-tryptophan|CHEBI:73808|Alanyl tryptophan|Alanyl-Tryptophan|L-Ala-L-Trp|L-Tryptophan
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
B301159-100mg
2

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Why this grade

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

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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
L-Alanyl-L-tryptophan | 16305-75-2 | Ala-Trp | L-Tryptophan, L-alanyl- | L-Alanyltryptophan | (S)-2-((S)-2-Aminopropanamido)-3-(1H-indol-3-yl)propanoic acid | CHEMBL91792 | N-L-Alanyl-L-tryptophan | CHEBI:73808 | Alanyl tryptophan | Alanyl-Tryptophan | L-Ala-L-Trp | L-Tryptophan
Specifications & Purity
≥95%
Storage
Room temperature
Shipped In
Normal
Purity
≥95%
Names and Identifiers
Pubchem Sid504755806
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504755806
Canonical SmilesCC(C(=O)NC(CC1=CNC2=CC=CC=C21)C(=O)O)N
IUPAC Name(2S)-2-[[(2S)-2-aminopropanoyl]amino]-3-(1H-indol-3-yl)propanoic acid
InChIKeyWUGMRIBZSVSJNP-UFBFGSQYSA-N
INCHI1S/C14H17N3O3/c1-8(15)13(18)17-12(14(19)20)6-9-7-16-11-5-3-2-4-10(9)11/h2-5,7-8,12,16H,6,15H2,1H3,(H,17,18)(H,19,20)/t8-,12-/m0/s1
Isomeric SMILES C[C@@H](C(=O)N[C@@H](CC1=CNC2=CC=CC=C21)C(=O)O)N
WGK Germany 3
Molecular Weight 275.31
Beilstein 22(3/4)6801
Reaxy-Rn 92501
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=92501&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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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 N-acyl-L-alpha-amino acids  Alpha amino acid amides  Indolyl carboxylic acids and derivatives  Alanine and derivatives  3-alkylindoles  Substituted pyrroles  Benzenoids  Heteroaromatic compounds  Secondary carboxylic acid amides  Amino acids  Monocarboxylic acids and derivatives  Azacyclic compounds  Carboxylic acids  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  Organopnictogen compounds  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Alpha-dipeptide - N-acyl-alpha-amino acid - N-acyl-l-alpha-amino acid - N-acyl-alpha amino acid or derivatives - Alpha-amino acid amide - Indolyl carboxylic acid derivative - Alanine or derivatives - Alpha-amino acid or derivatives - 3-alkylindole - Indole - Indole or derivatives - Substituted pyrrole - Benzenoid - Heteroaromatic compound - Pyrrole - Secondary carboxylic acid amide - Amino acid or derivatives - Carboxamide group - Amino acid - Organoheterocyclic compound - Azacycle - Carboxylic acid - Monocarboxylic acid or derivatives - Organic oxygen compound - Primary aliphatic amine - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic nitrogen compound - Organonitrogen compound - Carbonyl group - Organooxygen compound - Amine - Primary amine - Aromatic heteropolycyclic 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





Associated Targets(Human)
ACE Tclin Angiotensin-converting enzyme (1423 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC15A1 Tchem Oligopeptide transporter small intestine isoform (922 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
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.

1 results found

Lot NumberCertificate TypeDateItem
H2119100Certificate of AnalysisJun 09, 2025 B301159
Chemical and Physical Properties
Specific Rotation[α][α]20/D +15.5±0.5°, c = 2.7% in H2O
Melt Point(°C)293°C
Molecular Weight275.300 g/mol
XLogP3-2.200
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count4
Rotatable Bond Count5
Exact Mass275.127 Da
Monoisotopic Mass275.127 Da
Topological Polar Surface Area108.000 Ų
Heavy Atom Count20
Formal Charge0
Complexity375.000
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 Count1
Solution Calculators
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