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Peptides

Arginylalanine

Also known as L-arginyl-L-alanine, Arg-Ala, H-Arg-Ala-OH

CAS 40968-45-4Formula C9H19N5O3Molar mass 245.28 g/mol
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Arginylalanine chemical structure, C9H19N5O3, CAS 40968-45-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
40968-45-4
Formula
C9H19N5O3
Molar mass
245.28 g/mol
HS code
292529
Category
Peptides

What is Arginylalanine?

Plain description, key identifiers and synonyms

Arg-Ala is a dipeptide formed from L-arginyl and L-alanine residues. It has a role as a metabolite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]propanoic acid
CAS number
40968-45-4 CAS number cross-checked
Molecular formula
C9H19N5O3
UNII
6KRO2N7539
InChIKey
WVRUNFYJIHNFKD-WDSKDSINSA-N
InChI
InChI=1S/C9H19N5O3/c1-5(8(16)17)14-7(15)6(10)3-2-4-13-9(11)12/h5-6H,2-4,10H2,1H3,(H,14,15)(H,16,17)(H4,11,12,13)/t5-,6-/m0/s1
Canonical SMILES
CC(NC(=O)C(N)CCCN=C(N)N)C(=O)O
Isomeric SMILES
C[C@@H](C(=O)O)NC(=O)[C@H](CCCN=C(N)N)N

Synonyms

  • L-arginyl-L-alanine
  • Arg-Ala
  • H-Arg-Ala-OH
  • Dipeptide-3
  • L-Alanine, L-arginyl-
  • Arginyl-Alanine
  • RA dipeptide
  • R-A Dipeptide
  • (2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]propanoic acid
  • Arginine Alanine dipeptide
  • Arginine-Alanine dipeptide
  • L-Alanine, N-l-arginyl-
  • N-L-Arginyl-L-alanine
  • N-Arginylalanine
  • (2S)-2-(((2S)-2-amino-5-(diaminomethylideneamino)pentanoyl)amino)propanoic acid
  • (S)-2-((S)-2-Amino-5-guanidinopentanamido)propanoic acid
  • h-Arg-ala-oh acetate salt
  • H-ARG-ALA-OH ACOH
  • Arginyl-alanin
  • Arg-Ala acetate salt
  • L-Arg-L-Ala
  • L-arginyl-alanine acetate
  • L-Arginyl-l-alanine acetate
  • (2S)-2-[(2S)-2-Amino-5-carbamimidamidopentanamido]propanoic acid
  • N~5~-(Diaminomethylidene)-L-ornithyl-L-alanine
Show all 26 synonyms
  • (S)-2-((S)-2-Amino-5-guanidinopentanamido)propanoicacid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
245.28 g/molcalc.
Exact mass
245.1488 Dacalc.
LogP (octanol/water)
-2.04calc.
Topological polar surface area
156.8 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
7calc.
Heavy atoms
17calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Arginylalanine suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 2 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 1 country

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Arginylalanine price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Roles

  • metabolite

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Arginylalanine is traded under.

HS 2925.29Indicative HS code

Imines and their derivatives, salts thereof, other

World exports in 2024
$1.8B
+12.4% vs 2023, imports $1.84B
2019 to 2024
Top exporters
  1. China35.9%
  2. France * partner reported15.5%
  3. Germany9.1%
Top importers
  1. United States13.3%
  2. China13.0%
  3. Brazil9.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Arginylalanine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Arginylalanine, based on the data on this page

What is Arginylalanine?

Arg-Ala is a dipeptide formed from L-arginyl and L-alanine residues. It has a role as a metabolite.

What is the CAS number of Arginylalanine?

The CAS registry number of Arginylalanine is 40968-45-4.

What is the molecular formula and weight of Arginylalanine?

The molecular formula of Arginylalanine is C9H19N5O3 and its molar mass is 245.28 g/mol.

What is Arginylalanine used for?

Known uses and roles of Arginylalanine include metabolite.

Is Arginylalanine hazardous?

No GHS hazard classification for Arginylalanine is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Arginylalanine?

Arginylalanine is usually classified under HS code 292529 (Imines and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Arginylalanine?

CompoundList lists 2 suppliers of Arginylalanine in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Arginylalanine?

Suppliers quote Arginylalanine on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Arginylalanine

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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