N-Acetyl-Ala-Ala-Ala , CAS No.19245-85-3

CAS: 19245-85-3 Cat. No.: N168239 Molecular Weight: 273.29
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Synonyms
Acetyltrialanine|19245-85-3|N-Acetyl-Ala-Ala-Ala|Ac-Ala-Ala-Ala-OH|(S)-2-((S)-2-((S)-2-Acetamidopropanamido)propanamido)propanoic acid|acetyl-L-alanyl-L-alanyl-L-alanine|L-Alanine, N-acetyl-L-alanyl-L-alanyl-|EINECS 242-912-3|L-Alanine,N-acetyl-L-alanyl-L
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
1g
N168239-1g
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Why this grade

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
Acetyltrialanine | 19245-85-3 | N-Acetyl-Ala-Ala-Ala | Ac-Ala-Ala-Ala-OH | (S)-2-((S)-2-((S)-2-Acetamidopropanamido)propanamido)propanoic acid | acetyl-L-alanyl-L-alanyl-L-alanine | L-Alanine, N-acetyl-L-alanyl-L-alanyl- | EINECS 242-912-3 | L-Alanine, N-acetyl-L-alanyl-L
Storage
Room temperature
Shipped In
Normal
Names and Identifiers
Canonical SmilesCC(C(=O)NC(C)C(=O)NC(C)C(=O)O)NC(=O)C
IUPAC Name(2S)-2-[[(2S)-2-[[(2S)-2-acetamidopropanoyl]amino]propanoyl]amino]propanoic acid
InChIKeyDRYOODAJROGPQO-ACZMJKKPSA-N
INCHI1S/C11H19N3O5/c1-5(12-8(4)15)9(16)13-6(2)10(17)14-7(3)11(18)19/h5-7H,1-4H3,(H,12,15)(H,13,16)(H,14,17)(H,18,19)/t5-,6-,7-/m0/s1
Isomeric SMILES C[C@@H](C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)O)NC(=O)C
Molecular Weight 273.29
Reaxy-Rn 1992702
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1992702&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 ParentOligopeptides
Alternative Parents N-acyl-L-alpha-amino acids  Alpha amino acid amides  Alanine and derivatives  Acetamides  Secondary carboxylic acid amides  Monocarboxylic acids and derivatives  Carboxylic acids  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Alpha-oligopeptide - N-acyl-l-alpha-amino acid - N-acyl-alpha amino acid or derivatives - N-acyl-alpha-amino acid - Alpha-amino acid amide - Alanine or derivatives - N-substituted-alpha-amino acid - Alpha-amino acid or derivatives - Acetamide - Carboxamide group - Secondary carboxylic acid amide - Carboxylic acid - Monocarboxylic acid or derivatives - Organic nitrogen compound - Organonitrogen compound - Organooxygen compound - Hydrocarbon derivative - Carbonyl group - Organic oxide - Organic oxygen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as oligopeptides. These are organic compounds containing a sequence of between three and ten alpha-amino acids joined by peptide bonds.
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:
Chemical and Physical Properties
Molecular Weight273.290 g/mol
XLogP3-1.200
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count5
Rotatable Bond Count6
Exact Mass273.132 Da
Monoisotopic Mass273.132 Da
Topological Polar Surface Area125.000 Ų
Heavy Atom Count19
Formal Charge0
Complexity383.000
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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