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MSDS  : Luteinizing hormone-releasing factor (pig), 6-D-tryptophan-9-(N-ethyl-L-prolinamide)-10- deglycinamide-
CAS  : 57773-65-6
SYNONYMS  : * Bachem 9022 * Deslorelin * Gonadotropin releasing hormone, (D-trp(sup 6)-pro(sup 9)-NEt)- * Somagard * D-Trp(sup 6)-pro(sup 9)-N-ethylamide-LHRH * (D-Trp(sup 6)-pro(sup 9))-LHRH ethylamide * (D-Trp(sub 6)-pro(sup 9)-NEt)-GNRH * (D-Trp(sup 6)-pro(sup 9))-luteinizing hormone-releasing hormone ethylamide * (D-Trp(sub 6)-pro(sup 9)-NEt)-gonadotropin releasing hormone
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : OK6755000
CHEMICAL NAME : Luteinizing hormone-releasing factor (pig),
6-D-tryptophan-9-(N-ethyl-L-prolinamide)-10-
deglycinamide-
CAS REGISTRY NUMBER : 57773-65-6
LAST UPDATED : 199706
DATA ITEMS CITED : 13
MOLECULAR FORMULA : C64-H83-N17-O12
MOLECULAR WEIGHT : 1282.64
COMPOUND DESCRIPTOR : Mutagen
Reproductive Effector
Human
Hormone
SYNONYMS/TRADE NAMES :
* Bachem 9022
* Deslorelin
* Gonadotropin releasing hormone, (D-trp(sup 6)-pro(sup 9)-NEt)-
* Somagard
* D-Trp(sup 6)-pro(sup 9)-N-ethylamide-LHRH
* (D-Trp(sup 6)-pro(sup 9))-LHRH ethylamide
* (D-Trp(sub 6)-pro(sup 9)-NEt)-GNRH
* (D-Trp(sup 6)-pro(sup 9))-luteinizing hormone-releasing hormone
ethylamide
* (D-Trp(sub 6)-pro(sup 9)-NEt)-gonadotropin releasing hormone

*** HEALTH HAZARD DATA ***

** REPRODUCTIVE DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Human - man
DOSE : 30 ug/kg
SEX/DURATION : male 42 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
sperm morphology, motility, and count)
Reproductive - Paternal Effects - impotence
Reproductive - Paternal Effects - other effects on male
REFERENCE :
NEJMAG New England Journal of Medicine. (Massachusetts Medical Soc., 10
Shattuck St., Boston, MA 02115) V.198- 1928- Volume(issue)/page/year:
305,663,1981

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Human - woman
DOSE : 1 ug/kg
SEX/DURATION : female 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects
Reproductive - Fertility - other measures of fertility
REFERENCE :
AJOGAH American Journal of Obstetrics and Gynecology. (C.V. Mosby Co.,
11830 Westline Industrial Dr., St. Louis, MO 63146) V.1- 1920-
Volume(issue)/page/year: 135,759,1979

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Human - woman
DOSE : 1 ug/kg
SEX/DURATION : female 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects
Reproductive - Fertility - other measures of fertility
REFERENCE :
FESTAS Fertility and Sterility. (American Fertility Soc., 608 13th Ave. S,
Birmingham, AL 35282) V.1- 1950- Volume(issue)/page/year: 37,209,1982

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Human - woman
DOSE : 2 ug/kg
SEX/DURATION : female 2 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - menstrual cycle changes or disorders
Reproductive - Fertility - other measures of fertility
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H
St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year:
205,408,1979

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 28 ng/kg
SEX/DURATION : male 7 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland,
accessory glands
REFERENCE :
ENDOAO Endocrinology (Baltimore). (Williams & Wilkins Co., 428 E. Preston
St., Baltimore, MD 21203) V.1- 1917- Volume(issue)/page/year:
105,1191,1979

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 40 ug/kg
SEX/DURATION : male 9 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - other effects on male
Endocrine - changes in luteinizing hormone
Endocrine - androgenic
REFERENCE :
CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1-
1970- Volume(issue)/page/year: 35,79,1987

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 70 ug/kg
SEX/DURATION : female 1-7 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - female fertility index (e.g. # females pregnant
per # sperm positive females; # females pregnant per # females mated)
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc.,
Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
20037) V.6- 1963- Volume(issue)/page/year: 26,1545,1983

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 25 ug/kg
SEX/DURATION : female 8-12 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - other measures of fertility
REFERENCE :
ENDOAO Endocrinology (Baltimore). (Williams & Wilkins Co., 428 E. Preston
St., Baltimore, MD 21203) V.1- 1917- Volume(issue)/page/year:
110,347,1982

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 35 ug/kg
SEX/DURATION : female 1-7 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
number of implants per female; total number of implants per corpora lutea)
REFERENCE :
ENDOAO Endocrinology (Baltimore). (Williams & Wilkins Co., 428 E. Preston
St., Baltimore, MD 21203) V.1- 1917- Volume(issue)/page/year:
103,2299,1978

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE : 15 ug/kg
SEX/DURATION : female 5-7 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - live birth index (measured after birth)
REFERENCE :
ENDOAO Endocrinology (Baltimore). (Williams & Wilkins Co., 428 E. Preston
St., Baltimore, MD 21203) V.1- 1917- Volume(issue)/page/year:
103,2299,1978

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - rat
DOSE : 25 ug/kg
SEX/DURATION : male 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
sperm morphology, motility, and count)
Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland,
accessory glands
REFERENCE :
44LVAU "Peptides' Structure and Biological Function, Proceedings of the
American Peptide Symposium, 6th, 1979," Cross, E. and J. Meienhofer, eds.,
Rockford, IL, Pierce Chemical Co., 1979 Volume(issue)/page/year: 6,781,1979

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Implant
SPECIES OBSERVED : Primate - monkey
DOSE : 150 ug/kg
SEX/DURATION : female 75 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - menstrual cycle changes or disorders
REFERENCE :
INJFA3 International Journal of Fertility. (Allen Press, 1041 New
Hampshire, St., Lawrence, KS 66044) V.1- 1955- Volume(issue)/page/year:
25,171,1980

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

EPA GENETOX PROGRAM 1988, Positive: Sperm morphology-human


*** END OF RECORD ***
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