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MSDS  : Tryptophan, 5-hydroxy-, L-
CAS  : 4350-09-8
SYNONYMS  : * 5-Hydroxy-L-tryptophan * L-5-Hydroxytryptophan * Oxitriptan * Pretonine * Quietim * L-Tryptophan, 5-hydroxy-,
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : YN7110000
CHEMICAL NAME : Tryptophan, 5-hydroxy-, L-
CAS REGISTRY NUMBER : 4350-09-8
BEILSTEIN REFERENCE NO. : 0088200
REFERENCE : 5-22-14-00278 (Beilstein Handbook Reference)
LAST UPDATED : 199712
DATA ITEMS CITED : 19
MOLECULAR FORMULA : C11-H12-N2-O3
MOLECULAR WEIGHT : 220.25
WISWESSER LINE NOTATION : T56 BMJ D1YZVQ GQ
COMPOUND DESCRIPTOR : Drug
Reproductive Effector
SYNONYMS/TRADE NAMES :
* 5-Hydroxy-L-tryptophan
* L-5-Hydroxytryptophan
* Oxitriptan
* Pretonine
* Quietim
* L-Tryptophan, 5-hydroxy-,

*** 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
SPECIES OBSERVED : Rodent - rat
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
SPECIES OBSERVED : Rodent - rat
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
SPECIES OBSERVED : Rodent - rat
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
SPECIES OBSERVED : Rodent - rat
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
SPECIES OBSERVED : Rodent - mouse
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
SPECIES OBSERVED : Rodent - mouse
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
SPECIES OBSERVED : Rodent - mouse
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

*** STATUS IN U.S. ***

EPA TSCA Section 8(b) CHEMICAL INVENTORY


*** END OF RECORD ***
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ALL Chemical Property And Toxicity Analysis PAGES IN THIS GROUP
NAMECAS
Tryptophan, 5-hydroxy-, DL-, pyrolyzateSUBSTANCE DEFINITION :Smoke condensate obtained by pyrolysis of 5-hydroxy-DL-tryptophanREFERENCE :CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. IrelandLtd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year:2,335,1977 114-03-4
Tryptophan, 5-hydroxy-, L- 4350-09-8
Tryptophan, 5-hydroxy- L- and(-)-L-alpha-hydrazino-3,4-dihydroxy-alpha-methylhydrocinnamic acid, monohydrate 4350-09-8
Tryptophan, 5-hydroxy-, (L), mixed with sodiumnitrite 4350-09-8
Tryptophan, 5-methoxy- 2504-22-5
1-alpha-H,5-alpha-H-Tropanium,6-beta,7-beta-epoxy-3-alpha-hydroxy-8-methyl-,nitrate, (-)- tropate 6106-46-3
L-Tryptophan, 1-methyl- 21339-55-9
Tryptophan, 5-methyl- 154-06-3
Tryptophan, 1-methyl-, DL-, mixed with sodium nitrite 154-06-3
Tryptophan, 7-nitro-, hydrochloride, DL- 74051-46-0
L-Tryptophan,2-(2-oxo-2-(10H-phenothiazin-10-yl)ethyl)hydrazide 84409-83-6
D-Tryptophan, N-(3-oxo-3-phenylpropyl)- 92515-11-2
D-Tryptophan, N-D-phenylalanyl- 58607-70-8
D-Tryptophan, N-L-phenylalanyl- 66421-20-3
L-Tryptophan, N-D-phenylalanyl- 76327-05-4
L-Tryptophan, N-L-phenylalanyl- 24587-41-5
1-alpha-H,5-alpha-H-Tropanium,8-(p-ethylbenzyl)-3-hydroxy-, bromide, benzoate(ester), cis- 102432-91-7
D-Tryptophan, N-D-phenylalanyl-, methyl ester,monohydrochloride 76327-08-7
Tryptophan mixed with sodium nitrite 76327-08-7
Tryptophan, D-, mixed with sodium nitrite 76327-08-7
Tryptophan, L-, mixed with sodium nitrite 76327-08-7
L-Tryptophan, N-(1-thioxoethyl)-, methyl ester 54774-15-1
Tryptophan, N-L-tryptophyl-, L-, pyrolyzate 54774-15-1
L-Tryptophan, L-tryptophyl-, mixed with sodiumnitrite 54774-15-1
Trysben R200-acid 54774-15-1
T-40517, sodium saltSUBSTANCE DEFINITION :Produced by S. hygroscopicus T-40517 (FERM-P 2366,ifo-13574)REFERENCE :JANTAJ Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan) V.2-5, 1948-52; V.21- 1968-Volume(issue)/page/year: 30,77-82,1977 54774-15-1
Tsushimycin 11054-63-0
1-alpha-H,5-alpha-H-Tropanium,8-(p-ethylbenzyl)-3-hydroxy-, bromide, benzoate(ester), trans- 11054-63-0
Tuberactinomycin 11075-36-8
Tubermycin A, sodium salt 102646-67-3
Tuberosin-ISUBSTANCE DEFINITION :Isolated from Solanum tubersumREFERENCE :85GDA2 "CRC Handbook of Antibiotic Compounds," Vols.1- , Berdy, J., BocaRaton, FL, CRC Press, 1980- Volume(issue)/page/year: 8(Pt 1),108,1982 102646-67-3
Tubocuraranium,7',12'-dihydroxy-6,6'-dimethoxy-2,2,2',2'-tetramethyl-, diiodide, (1'-alpha)- 76786-15-7
Tubocuraranium,6,6',7',12'-tetramethoxy-2,2,2',2'-tetramethyl-,dichloride, (1-beta)- 76786-17-9
Tubocuraranium,6,6',7',12'-tetramethoxy-2,2,2',2'-tetramethyl-,diiodide 7601-55-0
Tubocuraranium,6,6',7',12'-tetramethoxy-2,2,2',2'-tetramethyl-,diiodide, (1-beta)- 16240-52-1
Tubocurarine, (+)- 57-95-4
Tubocurarine, dichloride, (+)- 57-94-3
Tubocurarine, dichloride, pentahydrate, (+)- 6989-98-6
1-alpha-H,5-alpha-H-Tropanium,8-(p-ethylbenzyl)-3-hydroxy-, bromide, 2-hydroxy-2-phenylacetate (ester) 78371-76-3
Tubocurarine, O,O'-dimethyl-, (+)- 5152-30-7
TUCSUBSTANCE DEFINITION :Containing 5% methyl salicylate and 7.5% l-mentholREFERENCE :KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, KandaSuda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960-Volume(issue)/page/year: 12,2153,1978 5152-30-7
TUHSUBSTANCE DEFINITION :Containing 5% methyl salicylate and 1.5% capsicum extractREFERENCE :KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, KandaSuda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960-Volume(issue)/page/year: 12,2153,1978 5152-30-7
Tumescal-OP 5152-30-7
Tungsten 7440-33-7
Tungsten carbide 12070-12-1
Tungsten carbide, mixed with cobalt (85%15%) 11107-01-0
Tungsten carbide, mixed with cobalt (92%8%) 12718-69-3
Tungsten carbide, mixed with cobalt and titanium(78%:14%:8%) 37329-49-0
Tungsten chloride, (OC-6-11)- 13283-01-7
1-alpha-H,5-alpha-H-Tropanium,8-(p-ethylbenzyl)-3-hydroxy-, bromide,alpha-phenylcyclohexaneacetate 102432-93-9

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