6-Hydroxymelatonin

6-羟基褪黑素

Also known as: 6-Hydroxy Melatonin, 6-HydroxyMelatonin, 6-hydroxymelatonin, N-ACETYL-6-HYDROXY-5-METHOXYTRYPTAMINE, 6-HYDROXY-N-ACETYL-5-METHOXYTRYPTAMINE, 3-[2-(Acetylamino)ethyl]-5-methoxy-1H-indole-6-ol, 3-[N-ACETYLAMINOETHYL]-6-HYDROXY-5-METHOXYINDOLE, N-[2-(5-Methoxy-6-hydroxy-1H-indole-3-yl)ethyl]acetamide, N-[2-(6-hydroxy-5-methoxy-1H-indol-3-yl)ethyl]acetamide, n-(2-(6-hydroxy-5-methoxyindol-3-yl)ethyl)-acetamid

6-Hydroxymelatonin (CAS 2208-41-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C13H16N2O3 and a molecular weight of 248.27800 g/mol. It is also known as 6-Hydroxy Melatonin, 6-HydroxyMelatonin and 6-hydroxymelatonin. Key properties include a melting point of 172-175ºC, a boiling point of 564.7ºC at 760mmHg, a density of 1.266g/cm3 and a flash point of 295.3ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2208-41-5
Jingsj CID
J-1323986-2
Molecular Formula
C13H16N2O3
Chinese Name
6-羟基褪黑素
Molecular Weight
248.27800 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point172-175ºC
Boiling Point564.7ºC at 760mmHg
Density1.266g/cm3
Flash Point295.3ºC
Exact Mass248.11600
PSA74.35000
LogP1.95160
Vapor Pressure2.35E-13mmHg at 25°C
Refractive Index1.627
Storage ConditionsRefrigerator
Additional Propertyalcohol: soluble

GHS Safety & Compliance

Irritant / Health HazardSignal word: Warning
  • H302 — Harmful if swallowed
  • H351 — Suspected of causing cancer

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. Härtter S, et al. Orally given melatonin may serve as a probe drug for cytochrome P450 1A2 activity in vivo: a pilot study. Clin Pharmacol Ther. 2001 Jul;70(1):10-6.

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 6-Hydroxymelatonin?

The CAS number of 6-Hydroxymelatonin is 2208-41-5.

What are the molecular formula and molecular weight of 6-Hydroxymelatonin?

6-Hydroxymelatonin has molecular formula C13H16N2O3 and molecular weight 248.27800 g/mol.

Is 6-Hydroxymelatonin hazardous?

6-Hydroxymelatonin has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H351 — Suspected of causing cancer.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "6-Hydroxymelatonin (CAS 2208-41-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1323986-2 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.