ChemicalBook >> CAS DataBase List >>L-Alanyl-L-alanine

L-Alanyl-L-alanine

CAS No.
1948-31-8
Chemical Name:
L-Alanyl-L-alanine
Synonyms
ALA-ALA;H-ALA-ALA-OH;Dialanine;(S)-2-((S)-2-aMinopropanaMido)propanoic acid;Ala-Ala-OH;Di-L-alanine;Alanine dipeptide;alpha-Alanylalanine;Ala-Ala) (Standard);N-L-alanyl-L-alanine
CBNumber:
CB1459203
Molecular Formula:
C6H12N2O3
Molecular Weight:
160.17
MDL Number:
MFCD00008075
MOL File:
1948-31-8.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-04-24 14:58:24
Product description Number Pack Size Price
Ala-Ala A9502 1g $192
Ala-Ala United States Pharmacopeia (USP) Reference Standard 1012531 200mg $1200
H-Ala-Ala-OH A3488 250MG $43
H-Ala-Ala-OH A3488 1G $108
Ala-Ala-OH Asreported 260581 1g $379
More product size

L-Alanyl-L-alanine Properties

Melting point 280-285 °C(lit.)
Boiling point 286.06°C (rough estimate)
Density 1.208
refractive index 1.4500 (estimate)
storage temp. Keep in dark place,Inert atmosphere,2-8°C
solubility H2O: 0.1 g/mL, clear
pka 3.16±0.10(Predicted)
form Solid
color white
BRN 1724813
Stability Stable. Incompatible with strong oxidizing agents.
Major Application pharmaceutical (small molecule)
InChI 1S/C6H12N2O3/c1-3(7)5(9)8-4(2)6(10)11/h3-4H,7H2,1-2H3,(H,8,9)(H,10,11)/t3-,4-/m0/s1
InChIKey DEFJQIDDEAULHB-IMJSIDKUSA-N
SMILES C[C@H](N)C(=O)N[C@@H](C)C(O)=O
CAS DataBase Reference 1948-31-8(CAS DataBase Reference)
FDA UNII MY4X7L3WAM
UNSPSC Code 41116107
NACRES NA.26

SAFETY

Risk and Safety Statements

Safety Statements  24/25
WGK Germany  3
HS Code  2924190002
Storage Class 11 - Combustible Solids
NFPA 704
0
1 0

L-Alanyl-L-alanine price More Price(48)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich A9502 Ala-Ala 1948-31-8 1g $192 2026-04-30 Buy
Sigma-Aldrich 1012531 Ala-Ala United States Pharmacopeia (USP) Reference Standard 1948-31-8 200mg $1200 2026-04-30 Buy
TCI Chemical A3488 H-Ala-Ala-OH 1948-31-8 250MG $43 2026-04-30 Buy
TCI Chemical A3488 H-Ala-Ala-OH 1948-31-8 1G $108 2026-04-30 Buy
Usbiological 260581 Ala-Ala-OH Asreported 1948-31-8 1g $379 2026-06-03 Buy
Product number Packaging Price Buy
A9502 1g $192 Buy
1012531 200mg $1200 Buy
A3488 250MG $43 Buy
A3488 1G $108 Buy
260581 1g $379 Buy

L-Alanyl-L-alanine Chemical Properties,Uses,Production

Chemical Properties

white crystalline powder

Uses

L-Alanyl-L-alanine is usually used as a model dipeptide in physicochemical studies of processes such as the effects of pH (protonation) on conformation.

Definition

ChEBI: A dipeptide consisting of two L-alanine units joined by a peptide linkage.

Biological Activity

L-Alanyl-L-alanine is used as a model dipeptide in physicochemical studies of processes such as the effects of pH (protonation) on conformation.

56-41-7
1948-31-8
Synthesis of L-Alanyl-L-alanine from L-Alanine
Global( 193)Suppliers
Supplier Tel Email Country ProdList Advantage
Sichuan HongRi Pharma-Tech Co.,Ltd
+86-15680023009 ni@enlaibio.com China 1103 58
career henan chemical co
+86-0371-86658258 sales@coreychem.com China 29766 58
Shenzhen Nexconn Pharmatechs Ltd
+86-755-89396905 +86-15013857715 admin@nexconn.com China 10399 58
BOC Sciences
+1-631-485-4226 inquiry@bocsci.com United States 19935 58
CONIER CHEM AND PHARMA LIMITED
sales@conier.com China 49906 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +86-189 4982 3763 sales@tnjchem.com China 34526 58
Finetech Industry Limited
+86-27-8746-5837 +86-18627785180 info@finetechnology-ind.com China 9539 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 17705817739 info@dycnchem.com China 52693 58
Henan Alfa Chemical Co., Ltd
+8618339805032 sale03@alfachem.cn China 9816 58
Henan Aochuang Chemical Co.,Ltd.
+86-0371-63689365 +8618638391208 sales@aochuangchem.com China 9322 58

View Lastest Price from L-Alanyl-L-alanine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Ala-Ala-OH pictures 2026-08-21 Ala-Ala-OH
1948-31-8
1kg 98% 1T+ Sichuan HongRi Pharma-Tech Co.,Ltd
 L-Alanyl-L-alanine pictures 2026-08-16 L-Alanyl-L-alanine
1948-31-8
$70.00-700.00 1KG 0.98 20 tons Zibo Hangyu Biotechnology Development Co., Ltd
L-Alanyl-L-alanine pictures 2025-04-04 L-Alanyl-L-alanine
1948-31-8
1kg 98% 1Ton Henan Aochuang Chemical Co.,Ltd.
  • Ala-Ala-OH pictures
  • Ala-Ala-OH
    1948-31-8
  • 98%
  • Sichuan HongRi Pharma-Tech Co.,Ltd
Ala-Ala-OH·HCl≥ 98% (HPLC) L-Alanyl-L-alanine hydrochloride (2S)-2-[(2S)-2-aminopropanamido]propanoic acid (2S)-2-(alanylamino)propionic acid (2S)-2-[[(2S)-2-amino-1-oxopropyl]amino]propanoic acid (2S)-2-[[(2S)-2-ammonio-1-oxopropyl]amino]propanoate (2S)-2-[[(2S)-2-ammoniopropanoyl]amino]propionate (2S)-2-[[(2S)-2-azaniumylpropanoyl]amino]propanoate N-L-alanyl-L-alanine L-ALANYL-L-ALANINE extrapure Alanine, N-L-alanyl-, L- alpha-Alanylalanine Dialanine L-Alanine, N-L-alanyl- Alanine dipeptide Di-L-alanine L-Alanyl-L-alanine,99% Ala-Ala,L-Alanyl-L-alanine 124: PN: WO2006024694 SEQID: 124 claimed protein 14: PN: WO2011133608 TABLE: 38 claimed protein WO2011146121 PAGE: 113 claimed sequence (2S)-2-{[(2S)-2-aMinopropanoyl]aMino}propanoic acid L-Alanine, L-alanyl- L-Alanyl-L-alanine USP/EP/BP Ala-Ala|H-Ala-Ala-OH L-Alanyl-L-Alanine (1012531) H-Ala-Ala-OH (L-Alanyl-L-alanine Ala-Ala) (Standard) Nicotinamide Impurity 229 Alanyl Glutamine Impurity 42 L-Alanyl-L-alanine (S)-2-((S)-2-aMinopropanaMido)propanoic acid ALA-ALA H-ALA-ALA-OH Ala-Ala-OH 1948-31-8 19483-31-8 CH3CHNH2CONHCHCH3CO2H Poly Amino Acids Peptide Synthesis Specialty Synthesis Dipeptides and Tripeptides Dipeptides BioChemical Amino Acid Derivatives Amino Acids and Peptides Biochemicals and Reagents 99% Amino Acid Derivatives