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Peptides

Val-Arg

Also known as L-valyl-L-arginine, valylarginine, L-Val-L-Arg

CAS 37682-75-0Formula C11H23N5O3Molar mass 273.34 g/mol
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Val-Arg chemical structure, C11H23N5O3, CAS 37682-75-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
37682-75-0
Formula
C11H23N5O3
Molar mass
273.34 g/mol
HS code
292529
Category
Peptides

What is Val-Arg?

Plain description, key identifiers and synonyms

Val-Arg is a dipeptide formed from L-valine and L-arginine residues. It has a role as a metabolite. It is functionally related to a L-valine and a L-arginine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid
CAS number
37682-75-0
Molecular formula
C11H23N5O3
MDL number
MFCD00238268
InChIKey
IBIDRSSEHFLGSD-YUMQZZPRSA-N
InChI
InChI=1S/C11H23N5O3/c1-6(2)8(12)9(17)16-7(10(18)19)4-3-5-15-11(13)14/h6-8H,3-5,12H2,1-2H3,(H,16,17)(H,18,19)(H4,13,14,15)/t7-,8-/m0/s1
Canonical SMILES
CC(C)C(N)C(=O)NC(CCCN=C(N)N)C(=O)O
Isomeric SMILES
CC(C)[C@@H](C(=O)N[C@@H](CCCN=C(N)N)C(=O)O)N

Synonyms

  • L-valyl-L-arginine
  • valylarginine
  • L-Val-L-Arg
  • (2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid
  • (2S)-2-(((2S)-2-amino-3-methylbutanoyl)amino)-5-(diaminomethylideneamino)pentanoic acid
  • H-Val-Arg-OH
  • valyl-arginine
  • VR dipeptide
  • V-R Dipeptide
  • L-Valinyl-L-arginine
  • Valine Arginine dipeptide
  • Valine-Arginine dipeptide
  • (S)-2-((S)-2-Amino-3-methylbutanamido)-5-guanidinopentanoic acid
  • V-R

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
273.34 g/molcalc.
Exact mass
273.1801 Dacalc.
LogP (octanol/water)
-1.41calc.
Topological polar surface area
156.8 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
8calc.
Heavy atoms
19calc.
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.

Val-Arg suppliers

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Val-Arg 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 Val-Arg 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 Val-Arg is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Val-Arg?

Val-Arg is a dipeptide formed from L-valine and L-arginine residues. It has a role as a metabolite. It is functionally related to a L-valine and a L-arginine.

What is the CAS number of Val-Arg?

The CAS registry number of Val-Arg is 37682-75-0.

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

The molecular formula of Val-Arg is C11H23N5O3 and its molar mass is 273.34 g/mol.

What is Val-Arg used for?

Known uses and roles of Val-Arg include metabolite.

Is Val-Arg hazardous?

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

Val-Arg 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 Val-Arg?

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

What is the price of Val-Arg?

Suppliers quote Val-Arg 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 Val-Arg

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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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