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Peptides

Arg-Met

Also known as arginylmethionine, RM dipeptide, R-M Dipeptide

CAS 45243-23-0Formula C11H23N5O3SMolar mass 305.40 g/mol
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Arg-Met chemical structure, C11H23N5O3S, CAS 45243-23-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
45243-23-0
Formula
C11H23N5O3S
Molar mass
305.40 g/mol
HS code
293090
Category
Peptides

What is Arg-Met?

Plain description, key identifiers and synonyms

Arg-Met is a dipeptide formed from L-arginine and L-methionine 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]-4-methylsulfanylbutanoic acid
CAS number
45243-23-0
Molecular formula
C11H23N5O3S
InChIKey
ROWCTNFEMKOIFQ-YUMQZZPRSA-N
InChI
InChI=1S/C11H23N5O3S/c1-20-6-4-8(10(18)19)16-9(17)7(12)3-2-5-15-11(13)14/h7-8H,2-6,12H2,1H3,(H,16,17)(H,18,19)(H4,13,14,15)/t7-,8-/m0/s1
Canonical SMILES
CSCCC(NC(=O)C(N)CCCN=C(N)N)C(=O)O
Isomeric SMILES
CSCC[C@@H](C(=O)O)NC(=O)[C@H](CCCN=C(N)N)N

Synonyms

  • arginylmethionine
  • RM dipeptide
  • R-M Dipeptide
  • Arginine Methionine dipeptide
  • Arginine-Methionine dipeptide
  • N-L-Arginyl-L-methionine
  • N-Arginylmethionine
  • Arginyl-Methionine
  • L-arginyl-L-methionine
  • H-Arg-Met-OH acetate salt
  • (2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-4-methylsulfanylbutanoic acid
  • L-Arg-L-Met
  • RM
  • ((S)-2-Amino-5-((diaminomethylene)amino)pentanoyl)-L-methionine

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
305.40 g/molcalc.
Exact mass
305.1522 Dacalc.
LogP (octanol/water)
-1.31calc.
Topological polar surface area
156.8 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
10calc.
Heavy atoms
20calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.73calc.
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.

Arg-Met suppliers

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Arg-Met price

Indicative price range per kg from live supplier offers

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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 Arg-Met is traded under.

HS 2930.90Indicative HS code

Organo-sulphur compounds, other

World exports in 2024
$5.83B
+0.1% vs 2023, imports $5.93B
2019 to 2024
Top exporters
  1. China40.7%
  2. United States10.9%
  3. Japan9.3%
Top importers
  1. United States13.3%
  2. Brazil12.6%
  3. China6.6%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Arg-Met, based on the data on this page

What is Arg-Met?

Arg-Met is a dipeptide formed from L-arginine and L-methionine residues. It has a role as a metabolite.

What is the CAS number of Arg-Met?

The CAS registry number of Arg-Met is 45243-23-0.

What is the molecular formula and weight of Arg-Met?

The molecular formula of Arg-Met is C11H23N5O3S and its molar mass is 305.40 g/mol.

What is Arg-Met used for?

Known uses and roles of Arg-Met include metabolite.

Is Arg-Met hazardous?

No GHS hazard classification for Arg-Met 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 Arg-Met?

Arg-Met is usually classified under HS code 293090 (Organo-sulphur compounds, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Arg-Met?

Post a free request on CompoundList and suppliers of Arg-Met will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Arg-Met?

Suppliers quote Arg-Met 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 Arg-Met

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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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