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Home> CAS DataBase Listed 7 > CAS 73-31-4
Identification of 73-31-4
  • Name:
  • Melatonine (Related Reference)
  • EINECS:
  • 200-797-7
  • Synonyms:
  • N-(2-(5-Methoxy-1H-indol-3-yl)ethyl)acetamide; N-Acetyl-5-methoxytryptamine; 5-Methoxy-N-acetyltryptamine; Acetamide, N-(2-(5-methoxyindol-3-yl)ethyl)-; acetamide, N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-; N-(2-(5-Methoxyindol-3-yl)ethyl)acetamide; Acetamide, N-[2-(5-methoxyindol-3-yl)ethyl]- (6CI,8CI); Melovine; Acetamide, N-[2- (5-methoxy-1H-indol-3-yl)ethyl]-; Melatonin; Acetamide, {N-[2-(5-methoxyindol-3-yl)ethyl]-}; Circadin; Acetamide,N-[2-(5-methoxy-1H-indol-3-yl)- ethyl]-; Prestwick_312; Acetamide, N-[2-(5-methoxy-1H-indol-3-yl)ethyl]- (9CI); Melatonin (MLT);
  • InChI:
  • InChI=1S/C13H16N2O2/c1-9(16)14-6-5-10-8-15-13-4-3-11(17-2)7-12(10)13/h3-4,7-8,15H,5-6H2,1-2H3,(H,14,16)
  • This structure is also available as a 2d Mol file
Safety Data of 73-31-4 Properties of 73-31-4
  • Appearance:
  • White crystalline powder
  • Molecular Weight:
  • 232.31 g/mol
  • Density:
  • 1.175 g/cm3
  • Boiling Point:
  • 512.8 °C at 760 mmHg
  • Melting Point:
  • 116-120 °C
  • Flash Point:
  • 264 °C
  • Storage Temperature:
  • -15°C
  • Solubility:
  • Insoluble
  • Biological Activity:
  • Endogenous hormone that acts as an agonist at melatonin receptors MT 1 and MT 2 . Exhibits a prominent role in the control of circadian rhythm, displays immunomodulatory activity and acts as a powerful antioxidant in vivo .
  • Stability:
  • Stable under normal temperatures and pressures.
  • Usage:
  • Hormone postulated to mediate photoperiodicity in mammals. Inhibits cerebellar nitric oxide synthetase

  • More>>

CAS No. 73-31-4 (Melatonine )

  • CAS No:73-31-4
  • Molecular Weight: 232.31 g/mol
  • Molecular Formula: C13H16N2O2
Properties Safety and Handling MSDS NMR Spectrum Synthesis Route Precursor and Product
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Precursor and Product
References of Melatonine cas 73-31-4

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 1375mg/kg (1375mg/kg) ? Pharmaceutical Chemistry Journal Vol. 17, Pg. 559, 1983.
mouse LD50 intravenous 180mg/kg (180mg/kg) ? U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#02739,
mouse LD50 oral 1250mg/kg (1250mg/kg) ? Journal of Pharmacology and Experimental Therapeutics. Vol. 227, Pg. 587, 1983.
mouse LD50 subcutaneous > 1600mg/kg (1600mg/kg) ? Journal of Pharmacology and Experimental Therapeutics. Vol. 227, Pg. 587, 1983.
rat LD50 intraperitoneal 1131mg/kg (1131mg/kg) ? Journal of Pharmacology and Experimental Therapeutics. Vol. 227, Pg. 587, 1983.
rat LD50 intravenous 356mg/kg (356mg/kg) ? Journal of Pharmacology and Experimental Therapeutics. Vol. 227, Pg. 587, 1983.
rat LD50 oral > 3200mg/kg (3200mg/kg) ? Journal of Pharmacology and Experimental Therapeutics. Vol. 227, Pg. 587, 1983.
rat LD50 subcutaneous > 1600mg/kg (1600mg/kg) ? Journal of Pharmacology and Experimental Therapeutics. Vol. 227, Pg. 587, 1983.

?Melatonin (CAS NO.73-31-4) has a very low toxicity in rats. Rat maternal toxicity: the no observable adverse effect level (NOAEL) and lowest observed adverse effect level (LOAEL) were 100 and 200 mg/kg/day, respectively, and the developmental toxicity NOAEL was >= 200 mg/kg/day.

Safety

Hazard Codes:?ToxicT?
Risk Statements: 60?
R60: May impair fertility.
Safety Statements: 24/25
S24/25: Avoid contact with skin and eyes.?
WGK Germany: 2?
RTECS: AC5955000
F: 8-10-23