Melatonin

Modify Date: 2025-08-21 11:15:22

Melatonin Structure
Melatonin structure
Common Name Melatonin
CAS Number 8041-44-9 Molecular Weight 232.278
Density 1.2±0.1 g/cm3 Boiling Point 459.8±55.0 °C at 760 mmHg
Molecular Formula C13H16N2O2 Melting Point N/A
MSDS N/A Flash Point 231.9±31.5 °C

 Names

Name N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]acetamide
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 459.8±55.0 °C at 760 mmHg
Molecular Formula C13H16N2O2
Molecular Weight 232.278
Flash Point 231.9±31.5 °C
Exact Mass 232.121185
PSA 57.61000
LogP 1.94
Vapour Pressure 0.0±1.2 mmHg at 25°C
Index of Refraction 1.580

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TU9152000
CHEMICAL NAME :
Primex
CAS REGISTRY NUMBER :
8041-44-9
LAST UPDATED :
198910

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
635 gm/kg
SEX/DURATION :
multigenerations
TOXIC EFFECTS :
Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive) Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4)
REFERENCE :
JONUAI Journal of Nutrition. (Subscription Dept., 9650 Rockville Pike, Bethesda, MD 20014) V.1- 1928- Volume(issue)/page/year: 60,489,1956
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1270 gm/kg
SEX/DURATION :
female 84 day(s) pre-mating - 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive)
REFERENCE :
JONUAI Journal of Nutrition. (Subscription Dept., 9650 Rockville Pike, Bethesda, MD 20014) V.1- 1928- Volume(issue)/page/year: 60,489,1956

 Synonyms

Acetamide, N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-
Melatonin
N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]acetamide
N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-Acetamide
N-[2-(5-methoxyindol-3-yl)ethyl]-Acetamide
N-(2-(5-methoxyindol-3-yl)ethyl)-Acetamide
N-[2-(5-Methoxy-1H-indol-3-yl)ethyl)acetamide
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