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Heterocyclic building blocks

Cyclic 3-hydroxy melatonin

Also known as 1-(3a-Hydroxy-5-methoxy-3,3a,8,8a-tetrahydropyrrolo[2,3-b]indol-1(2H)-yl)ethan-1-one, 1-(8b-hydroxy-7-methoxy-1,2,3a,4-tetrahydropyrrolo[2,3-b]indol-3-yl)ethanone

CAS 67199-08-0Formula C13H16N2O3Molar mass 248.28 g/molEC 190-245-0
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Cyclic 3-hydroxy melatonin chemical structure, C13H16N2O3, CAS 67199-08-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
67199-08-0
Formula
C13H16N2O3
Molar mass
248.28 g/mol
EC number
190-245-0
HS code
293399
Category
Heterocyclic building blocks

What is Cyclic 3-hydroxy melatonin?

Plain description, key identifiers and synonyms

Cyclic 3-Hydroxymelatonin is a pyrroloindole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(8b-hydroxy-7-methoxy-1,2,3a,4-tetrahydropyrrolo[2,3-b]indol-3-yl)ethanone
CAS number
67199-08-0
EC number
190-245-0
Molecular formula
C13H16N2O3
InChIKey
VADOSKJWFKUPQF-UHFFFAOYSA-N
InChI
InChI=1S/C13H16N2O3/c1-8(16)15-6-5-13(17)10-7-9(18-2)3-4-11(10)14-12(13)15/h3-4,7,12,14,17H,5-6H2,1-2H3
SMILES (canonical and isomeric)
CC(=O)N1CCC2(C1NC3=C2C=C(C=C3)OC)O

Synonyms

  • 1-(3a-Hydroxy-5-methoxy-3,3a,8,8a-tetrahydropyrrolo[2,3-b]indol-1(2H)-yl)ethan-1-one
  • 1-(8b-hydroxy-7-methoxy-1,2,3a,4-tetrahydropyrrolo[2,3-b]indol-3-yl)ethanone

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
248.28 g/molcalc.
Exact mass
248.1161 Dacalc.
LogP (octanol/water)
0.89calc.
Topological polar surface area
61.8 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
18calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.46calc.
Formal charge
0calc.
Stereocentres
2calc.
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, c1ccc2c(c1)NC1NCCC21

c1ccc2c(c1)NC1NCCC21

3 rings, 12 atoms.

69 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.

Cyclic 3-hydroxy melatonin suppliers

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Cyclic 3-hydroxy melatonin 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

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 Cyclic 3-hydroxy melatonin 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 Cyclic 3-hydroxy melatonin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cyclic 3-hydroxy melatonin, based on the data on this page

What is Cyclic 3-hydroxy melatonin?

Cyclic 3-Hydroxymelatonin is a pyrroloindole.

What is the CAS number of Cyclic 3-hydroxy melatonin?

The CAS registry number of Cyclic 3-hydroxy melatonin is 67199-08-0.

What is the molecular formula and weight of Cyclic 3-hydroxy melatonin?

The molecular formula of Cyclic 3-hydroxy melatonin is C13H16N2O3 and its molar mass is 248.28 g/mol.

What is Cyclic 3-hydroxy melatonin used for?

Known uses and roles of Cyclic 3-hydroxy melatonin include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Cyclic 3-hydroxy melatonin hazardous?

No GHS hazard classification for Cyclic 3-hydroxy melatonin 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 Cyclic 3-hydroxy melatonin?

Cyclic 3-hydroxy melatonin 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 Cyclic 3-hydroxy melatonin?

Post a free request on CompoundList and suppliers of Cyclic 3-hydroxy melatonin will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Cyclic 3-hydroxy melatonin?

Suppliers quote Cyclic 3-hydroxy melatonin 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 Cyclic 3-hydroxy melatonin

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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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