L-5-Hydroxytryptophan
Names
[ CAS No. ]:
4350-09-8
[ Name ]:
L-5-Hydroxytryptophan
[Synonym ]:
Telesol
Oxyfan
oxitriptan
Cincofarm
Levothym
Oxitriptan 1
MFCD00064341
5-hydroxy-L-tryptophan zwitterion
5-Hydroxyl-L-tryptophan
L-5HTP
L-Tryptophan, 5-hydroxy-
(2S)-2-amino-3-(5-hydroxy-1H-indol-3-yl)propanoic acid
5-Hydroxy-L-tryptophan
EINECS 224-411-1
Serotonyl
L-5-Hydroxytryptophan
L-5-HTP L-2-Amino-3-(5-hydroxyindolyl)propionic acid
Tryptophan, 5-hydroxy-, L-
Biological Activity
[Description]:
[Related Catalog]:
[Target]
Human Endogenous Metabolite
[References]
Chemical & Physical Properties
[ Density]:
1.5±0.1 g/cm3
[ Boiling Point ]:
520.6±50.0 °C at 760 mmHg
[ Melting Point ]:
270 °C (dec.)(lit.)
[ Molecular Formula ]:
C11H12N2O3
[ Molecular Weight ]:
220.22
[ Flash Point ]:
268.7±30.1 °C
[ Exact Mass ]:
220.084793
[ PSA ]:
99.34000
[ LogP ]:
-0.14
[ Vapour Pressure ]:
0.0±1.4 mmHg at 25°C
[ Index of Refraction ]:
1.737
[ Water Solubility ]:
Slightly soluble
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- YN7110000
- CHEMICAL NAME :
- Tryptophan, 5-hydroxy-, L-
- CAS REGISTRY NUMBER :
- 4350-09-8
- BEILSTEIN REFERENCE NO. :
- 0088200
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 19
- MOLECULAR FORMULA :
- C11-H12-N2-O3
- MOLECULAR WEIGHT :
- 220.25
- WISWESSER LINE NOTATION :
- T56 BMJ D1YZVQ GQ
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 243 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - excitement Behavioral - ataxia
- REFERENCE :
- NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho, Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year: 69,523,1973
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 91 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - excitement Behavioral - ataxia
- REFERENCE :
- NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho, Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year: 69,523,1973
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 149 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - lacrimation Behavioral - tremor Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,307,1975
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 27 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - lacrimation Behavioral - tremor Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,307,1975
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1708 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - lacrimation Behavioral - tremor Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,307,1975
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 298 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - lacrimation Behavioral - tremor Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,307,1975
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 418 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - lacrimation Behavioral - tremor Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,307,1975
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 375 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - excitement Behavioral - ataxia
- REFERENCE :
- NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho, Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year: 69,523,1973
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 285 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - lacrimation Behavioral - tremor Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,307,1975 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 780 mg/kg/30D-C
- TOXIC EFFECTS :
- Kidney, Ureter, Bladder - other changes Kidney, Ureter, Bladder - changes in bladder weight Endocrine - changes in thymus weight
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,307,1975
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 5148 mg/kg/26W-I
- TOXIC EFFECTS :
- Kidney, Ureter, Bladder - other changes Endocrine - other changes Related to Chronic Data - changes in testicular weight
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,307,1975 ** REPRODUCTIVE DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 700 mg/kg
- SEX/DURATION :
- female 7-13 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Maternal Effects - other effects Nutritional and Gross Metabolic - weight loss or decreased weight gain
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,356,1975
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 700 mg/kg
- SEX/DURATION :
- female 7-13 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,356,1975
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 3 gm/kg
- SEX/DURATION :
- female 6-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - eye/ear Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Specific Developmental Abnormalities - urogenital system
- REFERENCE :
- TJADAB Teratology, The International Journal of Abnormal Development. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968- Volume(issue)/page/year: 27,85A,1983
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 3 gm/kg
- SEX/DURATION :
- female 6-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - other developmental abnormalities
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB83-231332
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 2100 mg/kg
- SEX/DURATION :
- female 7-13 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Maternal Effects - other effects Nutritional and Gross Metabolic - weight loss or decreased weight gain
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,356,1975
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 2100 mg/kg
- SEX/DURATION :
- female 7-13 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - fetal death
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,356,1975
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 700 mg/kg
- SEX/DURATION :
- female 7-13 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- REFERENCE :
- IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 6,356,1975
Safety Information
[ Symbol ]:
GHS06
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H301-H315-H319-H335
[ Precautionary Statements ]:
Missing Phrase - N15.00950417-P305 + P351 + P338
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves
[ Hazard Codes ]:
Xn:Harmful;
[ Risk Phrases ]:
R22
[ Safety Phrases ]:
S36-S26
[ RIDADR ]:
UN 2811 6.1/PG 3
[ WGK Germany ]:
3
[ RTECS ]:
YN7110000
[ Packaging Group ]:
III
[ Hazard Class ]:
6.1
[ HS Code ]:
2929909090
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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