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A9627

Sigma-Aldrich

Ala-Ala-Ala

≥98% (TLC)

Synonym(s):

Tri-L-alanine

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About This Item

Empirical Formula (Hill Notation):
C9H17N3O4
CAS Number:
5874-90-8
Molecular Weight:
231.25
EC Number:
227-538-0
MDL number:
MFCD00025557
UNSPSC Code:
12352209
PubChem Substance ID:
24891479
NACRES:
NA.26

product name

Ala-Ala-Ala,

Assay

≥98% (TLC)

Quality Level

200

form

powder

color

white

storage temp.

−20°C

SMILES string

C[C@H](N)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(O)=O

InChI

1S/C9H17N3O4/c1-4(10)7(13)11-5(2)8(14)12-6(3)9(15)16/h4-6H,10H2,1-3H3,(H,11,13)(H,12,14)(H,15,16)/t4-,5-,6-/m0/s1

InChI key

BYXHQQCXAJARLQ-ZLUOBGJFSA-N

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Amino Acid Sequence

Ala-Ala-Ala

Application

Trialanine (Ala-Ala-Ala) may be used along with other short chain alanines, tetra- and penta-alanine, as model compounds to study physicochemical parameters of small peptides.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Fatma Eker et al.
Journal of the American Chemical Society, 125(27), 8178-8185 (2003-07-03)
Determination of the precise solution structure of peptides is of utmost importance to the understanding of protein folding and peptide drugs. Herein, we have measured the UV circular dichroism (UVCD) spectra of tri-alanine dissolved in D(2)O, H(2)O, and glycerol. The
Kwang-Im Oh et al.
Chirality, 22 Suppl 1, E186-E201 (2010-11-03)
Despite that a number of experimental and theoretical investigations have been carried out to determine the structure of trialanine in water, the reported populations of polyproline II (PPII) and β-strand conformers vary and were found to be dependent on which
Infrared multiple photon dissociation spectroscopy as structural confirmation for GlyGlyGlyH+ and AlaAlaAlaH+ in the gas phase. Evidence for amide oxygen as the protonation site.
Ronghu Wu et al.
Journal of the American Chemical Society, 129(37), 11312-11313 (2007-08-28)
Kaicong Cai et al.
Physical chemistry chemical physics : PCCP, 11(40), 9149-9159 (2009-10-09)
A molecular mechanics (MM) force field-based empirical electrostatic potential map (MM map) for amide-I vibrations is developed with the aim of seeking a quick and reasonable approach to computing local mode parameters and their distributions in solution phase. Using N-methylacetamide
Reinhard Schweitzer-Stenner
The journal of physical chemistry. B, 113(9), 2922-2932 (2009-02-27)
The conformational preference of individual amino acid residues in the unfolded state of peptides and proteins is the subject of a continuous debate. Research has mostly been focused on alanine, owing to its abundance in proteins and its relevance for
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