Melatonine
Names
[ CAS No. ]:
73-31-4
[ Name ]:
Melatonine
[Synonym ]:
Melatonin
EINECS 200-797-7
N-(2-(5-methoxyindol-3-yl)ethyl)-Acetamide
Melovine
Melatonine
primex
Acetamide, N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-
MLT
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-acetyl-5-methoxytryptamine
Circadin
N-[2-(5-Methoxy-1H-indol-3-yl)ethyl)acetamide
MFCD00005655
Biological Activity
[Description]:
[Related Catalog]:
[Target]
Human Endogenous Metabolite
[In Vivo]
[Animal admin]
[References]
[Related Small Molecules]
Chemical & Physical Properties
[ Density]:
1.2±0.1 g/cm3
[ Boiling Point ]:
459.8±55.0 °C at 760 mmHg
[ Melting Point ]:
116.5-118 °C(lit.)
[ Molecular Formula ]:
C13H16N2O2
[ Molecular Weight ]:
232.278
[ Flash Point ]:
231.9±31.5 °C
[ Exact Mass ]:
232.121185
[ PSA ]:
54.12000
[ LogP ]:
1.94
[ Vapour Pressure ]:
0.0±1.2 mmHg at 25°C
[ Index of Refraction ]:
1.580
[ Storage condition ]:
-15°C
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- AC5955000
- CHEMICAL NAME :
- Acetamide, N-(2-(5-methoxyindol-3-yl)ethyl)-
- CAS REGISTRY NUMBER :
- 73-31-4
- BEILSTEIN REFERENCE NO. :
- 0205542
- LAST UPDATED :
- 199806
- DATA ITEMS CITED :
- 39
- MOLECULAR FORMULA :
- C13-H16-N2-O2
- MOLECULAR WEIGHT :
- 232.31
- WISWESSER LINE NOTATION :
- T56 BMJ D2MV1 GO1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1375 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 180 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 15 mg/kg/2W-I
- TOXIC EFFECTS :
- Blood - pigmented or nucleated red blood cells Blood - changes in erythrocyte (RBC) count Blood - changes in leukocyte (WBC) count
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 4200 mg/kg/20W-I
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Blood - leukemia Blood - lymphoma, including Hodgkin's disease
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 27 mg/kg
- SEX/DURATION :
- female 1 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Fertility - other measures of fertility
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 2800 ug/kg
- SEX/DURATION :
- female 28 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - menstrual cycle changes or disorders
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 140 ug/kg
- SEX/DURATION :
- female 28 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - ovaries, fallopian tubes
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 7500 ug/kg
- SEX/DURATION :
- female 1 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Fertility - other measures of fertility
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 900 mg/kg
- SEX/DURATION :
- male 30 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Fertility - mating performance (e.g. # sperm positive females per # females mated; # copulations per # estrus cycles) Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 1400 ug/kg
- SEX/DURATION :
- female 28 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - menstrual cycle changes or disorders
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 140 ug/kg
- SEX/DURATION :
- female 28 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - ovaries, fallopian tubes
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 80 ug/kg
- SEX/DURATION :
- male 20 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 500 ug/kg
- SEX/DURATION :
- female 1 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Fertility - other measures of fertility
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intravenous
- DOSE :
- 500 ug/kg
- SEX/DURATION :
- female 1 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Fertility - other measures of fertility
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Ocular
- DOSE :
- 375 ug/kg
- SEX/DURATION :
- female 1 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Fertility - other measures of fertility
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Ocular
- DOSE :
- 50 ug/kg
- SEX/DURATION :
- female 1 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - ovaries, fallopian tubes
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Parenteral
- DOSE :
- 36 mg/kg
- SEX/DURATION :
- male 30 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 4 mg/kg
- SEX/DURATION :
- female 19 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - menstrual cycle changes or disorders
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 560 mg/kg
- SEX/DURATION :
- female 70 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - other effects Reproductive - Specific Developmental Abnormalities - endocrine system
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Parenteral
- DOSE :
- 14 mg/kg
- SEX/DURATION :
- male 70 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - testes, epididymis, sperm duct
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Parenteral
- DOSE :
- 70 mg/kg
- SEX/DURATION :
- male 70 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Unreported
- DOSE :
- 5600 ug/kg
- SEX/DURATION :
- female 14 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - menstrual cycle changes or disorders
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 7500 ug/kg
- SEX/DURATION :
- female 1 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Fertility - other measures of fertility
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 12 mg/kg
- SEX/DURATION :
- male 60 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands Reproductive - Paternal Effects - other effects on male
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 1260 ug/kg
- SEX/DURATION :
- female 9 week(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - ovaries, fallopian tubes Reproductive - Maternal Effects - uterus, cervix, vagina
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 9800 ug/kg
- SEX/DURATION :
- female 49 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - menstrual cycle changes or disorders
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 7 mg/kg
- SEX/DURATION :
- male 35 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - testes, epididymis, sperm duct
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Parenteral
- DOSE :
- 21 mg/kg
- SEX/DURATION :
- male 15 week(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Parenteral
- DOSE :
- 14 mg/kg
- SEX/DURATION :
- female 10 week(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Maternal Effects - other effects
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Implant
- DOSE :
- 12480 ug/kg
- SEX/DURATION :
- male 60 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Implant
- DOSE :
- 4032 ug/kg
- SEX/DURATION :
- male 42 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1700 ug/kg
- SEX/DURATION :
- female 51 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - menstrual cycle changes or disorders
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1429 ug/kg
- SEX/DURATION :
- female 30 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - menstrual cycle changes or disorders Reproductive - Maternal Effects - other effects
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 1200 ug/kg
- SEX/DURATION :
- female 40 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - menstrual cycle changes or disorders
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Implant
- DOSE :
- 16 mg/kg
- SEX/DURATION :
- female 17 week(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - endocrine system
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intravaginal
- DOSE :
- 4600 ug/kg
- SEX/DURATION :
- female 1 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - other effects
MUTATION DATA
- TEST SYSTEM :
- Rodent - rat
- DOSE/DURATION :
- 7 mg/kg/8W (Intermittent)
- REFERENCE :
- CYTBAI Cytobios. (Faculty Press, 88 Regent St., Cambridge, UK) V.1- 1969- Volume(issue)/page/year: 65,115,1991
Safety Information
[ Symbol ]:
GHS02, GHS06, GHS08
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H225-H301 + H311 + H331-H370
[ Precautionary Statements ]:
P210-P260-P280-P301 + P310-P311
[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
[ Hazard Codes ]:
T
[ Risk Phrases ]:
R60
[ Safety Phrases ]:
S24/25
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
2
[ RTECS ]:
AC5955000
[ HS Code ]:
2932999099
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2933990090
[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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