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Impurities and reference standards

Melatonin impurity 3

Also known as N,N-diacetyl-5-methoxytryptamine, N-[2-(5-methoxyindol-3-yl)ethyl]diacetamide, N-acetyl-N-(2-(5-methoxy-1H-indol-3-yl)ethyl)acetamide

CAS 188396-98-7Formula C15H18N2O3Molar mass 274.32 g/mol
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Melatonin impurity 3 chemical structure, C15H18N2O3, CAS 188396-98-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
188396-98-7
Formula
C15H18N2O3
Molar mass
274.32 g/mol
HS code
293399
Category
Impurities and reference standards

What is Melatonin impurity 3?

Plain description, key identifiers and synonyms

Melatonin impurity 3 is a chemical substance with the molecular formula C15H18N2O3 and a molar mass of 274.32 g/mol. Its CAS registry number is 188396-98-7. The IUPAC name is N-acetyl-N-[2-(5-methoxy-1H-indol-3-yl)ethyl]acetamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-acetyl-N-[2-(5-methoxy-1H-indol-3-yl)ethyl]acetamide
CAS number
188396-98-7
Molecular formula
C15H18N2O3
InChIKey
SLGCOUNLXHYCER-UHFFFAOYSA-N
InChI
InChI=1S/C15H18N2O3/c1-10(18)17(11(2)19)7-6-12-9-16-15-5-4-13(20-3)8-14(12)15/h4-5,8-9,16H,6-7H2,1-3H3
SMILES (canonical and isomeric)
CC(=O)N(CCC1=CNC2=C1C=C(C=C2)OC)C(=O)C

Synonyms

  • N,N-diacetyl-5-methoxytryptamine
  • N-[2-(5-methoxyindol-3-yl)ethyl]diacetamide
  • N-acetyl-N-(2-(5-methoxy-1H-indol-3-yl)ethyl)acetamide

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
274.32 g/molcalc.
Exact mass
274.1317 Dacalc.
LogP (octanol/water)
2.11calc.
Topological polar surface area
62.4 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
4calc.
Heavy atoms
20calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2[nH]ccc2c1

c1ccc2[nH]ccc2c1

2 rings, 9 atoms, the Indole ring system.

25,097 other chemicals share this scaffold

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.

Melatonin impurity 3 suppliers

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Melatonin impurity 3 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Melatonin impurity 3 is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

The HS code shown for Melatonin impurity 3 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Melatonin impurity 3, based on the data on this page

What is Melatonin impurity 3?

Melatonin impurity 3 is a chemical substance with the molecular formula C15H18N2O3 and a molar mass of 274.32 g/mol. Its CAS registry number is 188396-98-7. The IUPAC name is N-acetyl-N-[2-(5-methoxy-1H-indol-3-yl)ethyl]acetamide.

What is the CAS number of Melatonin impurity 3?

The CAS registry number of Melatonin impurity 3 is 188396-98-7.

What is the molecular formula and weight of Melatonin impurity 3?

The molecular formula of Melatonin impurity 3 is C15H18N2O3 and its molar mass is 274.32 g/mol.

Is Melatonin impurity 3 hazardous?

No GHS hazard classification for Melatonin impurity 3 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 Melatonin impurity 3?

Melatonin impurity 3 is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Melatonin impurity 3?

Post a free request on CompoundList and suppliers of Melatonin impurity 3 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Melatonin impurity 3?

Suppliers quote Melatonin impurity 3 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 Melatonin impurity 3

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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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