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Peptides

Met-Ser

Also known as Methionylserine, L-methionyl-L-serine, L-Met-L-Ser

CAS 14517-43-2Formula C8H16N2O4SMolar mass 236.29 g/mol
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Met-Ser chemical structure, C8H16N2O4S, CAS 14517-43-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
14517-43-2
Formula
C8H16N2O4S
Molar mass
236.29 g/mol
HS code
293090
Category
Peptides

What is Met-Ser?

Plain description, key identifiers and synonyms

Met-Ser is a dipeptide composed of L-methionine and L-serine joined by a peptide linkage. It has a role as a metabolite. It is functionally related to a L-methionine and a L-serine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-2-[[(2S)-2-amino-4-methylsulfanylbutanoyl]amino]-3-hydroxypropanoic acid
CAS number
14517-43-2
Molecular formula
C8H16N2O4S
InChIKey
WEDDFMCSUNNZJR-WDSKDSINSA-N
InChI
InChI=1S/C8H16N2O4S/c1-15-3-2-5(9)7(12)10-6(4-11)8(13)14/h5-6,11H,2-4,9H2,1H3,(H,10,12)(H,13,14)/t5-,6-/m0/s1
Canonical SMILES
CSCCC(N)C(=O)NC(CO)C(=O)O
Isomeric SMILES
CSCC[C@@H](C(=O)N[C@@H](CO)C(=O)O)N

Synonyms

  • Methionylserine
  • L-methionyl-L-serine
  • L-Met-L-Ser
  • (2S)-2-[[(2S)-2-amino-4-methylsulfanylbutanoyl]amino]-3-hydroxypropanoic acid
  • (2S)-2-[[(2S)-2-azaniumyl-4-methylsulfanylbutanoyl]amino]-3-hydroxypropanoate
  • (2S)-2-(((2S)-2-amino-4-methylsulfanylbutanoyl)amino)-3-hydroxypropanoic acid
  • (2S)-2-(((2S)-2-azaniumyl-4-methylsulfanylbutanoyl)amino)-3-hydroxypropanoate
  • H-MET-SER-OH
  • methionyl-serine
  • (S)-2-((S)-2-Amino-4-(methylthio)butanamido)-3-hydroxypropanoic acid
  • (2S)-2-[(2S)-2-Amino-4-(methylsulfanyl)butanamido]-3-hydroxypropanoic acid
  • L-Serine, L-methionyl-
  • (S)-2-((S)-2-Amino-4-(methylthio)butanamido)-3-hydroxypropanoicacid
  • M-S

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
236.29 g/molcalc.
Exact mass
236.0831 Dacalc.
LogP (octanol/water)
-1.37calc.
Topological polar surface area
112.7 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
7calc.
Heavy atoms
15calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.75calc.
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.

Met-Ser suppliers

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

Frequently asked questions

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

What is Met-Ser?

Met-Ser is a dipeptide composed of L-methionine and L-serine joined by a peptide linkage. It has a role as a metabolite. It is functionally related to a L-methionine and a L-serine.

What is the CAS number of Met-Ser?

The CAS registry number of Met-Ser is 14517-43-2.

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

The molecular formula of Met-Ser is C8H16N2O4S and its molar mass is 236.29 g/mol.

What is Met-Ser used for?

Known uses and roles of Met-Ser include metabolite.

Is Met-Ser hazardous?

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

Met-Ser 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 Met-Ser?

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

What is the price of Met-Ser?

Suppliers quote Met-Ser 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 Met-Ser

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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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