L-Alanyl-l-alanine

About L-Alanyl-l-alanine

L-Alanyl-l-alanine is an impurity of Alanine carrying the CAS registry number 1948-31-8. The compound has the formula C6H12N2O3, corresponding to a molecular weight of 160.17 g/mol. Its systematic (IUPAC) name is (2S)-2-[[(2S)-2-aminopropanoyl]amino]propanoic acid. It is also known as Dialanine or L-Ala-L-Ala.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Alanine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer L-Alanyl-l-alanine in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Alanine

View every impurity, metabolite and intermediate we list for Alanine.

Alanine impurities

Specifications & identifiers

Chemical identifiers
Product name	L-Alanyl-l-alanine
Catalogue No.	VQ-032433
CAS Number	1948-31-8
IUPAC name	(2S)-2-[[(2S)-2-aminopropanoyl]amino]propanoic acid
Molecular formula	C₆H₁₂N₂O₃
Molecular weight	160.17 g/mol
Exact mass	160.0848
Grade	Reference Standard
HSN code	38229090
InChIKey	DEFJQIDDEAULHB-IMJSIDKUSA-N
SMILES	C[C@@H](C(=O)N[C@@H](C)C(=O)O)N
PubChem CID	5484352

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.3
H-bond donors / acceptors	3 / 4
TPSA	92.4 Å²
Synonyms	Dialanine, L-Ala-L-Ala, (2S)-2-(((2S)-2-aminopropanoyl)amino)propanoic acid, (2S)-2-{[(2S)-2-aminopropanoyl]amino}propanoic acid, (2S)-2-(((2S)-2-azaniumylpropanoyl)amino)propanoate, Ala-ala, N-L-Alanyl-L-alanine, Ala-Ala-OH, Alanyl-alanine, (S)-2-((S)-2-Aminopropanamido)propanoic acid, Di-L-Alanine, (2S)-2-[(2S)-2-aminopropanamido]propanoic acid

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of L-Alanyl-l-alanine?

The CAS Registry Number of L-Alanyl-l-alanine is 1948-31-8. It is also known as Dialanine, L-Ala-L-Ala, (2S)-2-(((2S)-2-aminopropanoyl)amino)propanoic acid.

What is the molecular formula and molecular weight of L-Alanyl-l-alanine?

L-Alanyl-l-alanine has the molecular formula C6H12N2O3 and a molecular weight of 160.17 g/mol. Its IUPAC name is (2S)-2-[[(2S)-2-aminopropanoyl]amino]propanoic acid.

What is L-Alanyl-l-alanine used for?

L-Alanyl-l-alanine is supplied as a characterised reference material related to Alanine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of L-Alanyl-l-alanine can I order?

We supply L-Alanyl-l-alanine in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with L-Alanyl-l-alanine?

Yes. Every lot of L-Alanyl-l-alanine is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can L-Alanyl-l-alanine be shipped internationally?

Yes. We export L-Alanyl-l-alanine worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.