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MSDS  : Benzeneacetic acid, alpha-cyclohexyl-alpha-hydroxy-, (4-diethylamino)-1,1-dimethyl- 2-buteynyl ester, hydrochloride
CAS  : 129927-33-9
SYNONYMS  : * (+-)-4-Diethylamino-1,1-dimethylbut-2-yn-1-yl 2-cyclohexyl-2-hydroxy-2-phenylacetate HCl H2O * NS-21 * Urespan
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : CY1576890
CHEMICAL NAME : Benzeneacetic acid, alpha-cyclohexyl-alpha-hydroxy-,
(4-diethylamino)-1,1-dimethyl- 2-buteynyl ester,
hydrochloride
CAS REGISTRY NUMBER : 129927-33-9
OTHER CAS REGISTRY NOS. : 136529-33-4
LAST UPDATED : 199712
DATA ITEMS CITED : 2
MOLECULAR FORMULA : C24-H35-N-O3.Cl-H
MOLECULAR WEIGHT : 422.06
COMPOUND DESCRIPTOR : Reproductive Effector
SYNONYMS/TRADE NAMES :
* (+-)-4-Diethylamino-1,1-dimethylbut-2-yn-1-yl
2-cyclohexyl-2-hydroxy-2-phenylacetate HCl H2O
* NS-21
* Urespan

*** HEALTH HAZARD DATA ***

** REPRODUCTIVE DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 40 gm/kg
SEX/DURATION : male 60 day(s) pre-mating
female 14 day(s) pre-mating - 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)
Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured
before birth)
REFERENCE :
JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological
Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku,
Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 22(Suppl
1),201,1997

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 8100 mg/kg
SEX/DURATION : female 17-21 day(s) after conception
lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects
Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4
per # born alive)
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
gain)
REFERENCE :
JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological
Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku,
Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 22(Suppl
1),239,1997

*** END OF RECORD ***
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ALL Chemical Property And Toxicity Analysis PAGES IN THIS GROUP
NAMECAS
Benzeneacetic acid,4-chloro-alpha-(4-chlorophenyl)-alpha-hydroxy-,2-(chloroacetyl)hydrazide 128156-79-6
Benzeneacetic acid,4-chloro-alpha-(4-chlorophenyl)-alpha-hydroxy-,hydrazide 119845-11-3
Benzeneacetic acid,3-chloro-alpha-(4-(3-chlorophenyl)-3-hydroxy-5-oxo-2(5H)-furanylidene)-, methyl ester, (E)- 32883-73-1
Benzeneacetic acid,4-chloro-alpha-(4-(4-chlorophenyl)-3-hydroxy-5-oxo-2(5H)-furanylidene)-, methyl ester, (E)- 37542-25-9
Benzeneacetic acid, 3-chloro-4-cyclohexyl- 33433-85-1
Benzeneacetic acid, 4-chloro-alpha-(1-cyclopropyl)-,cyano(3-phenoxyphenyl)methyl ester 65363-01-1
Benz(a)anthracene,7,8,9,10-tetrahydro-trans-7,8-dihydroxy-cis-9,10-epoxy-, (+-)- 65363-01-1
Benzeneacetic acid,2-(4-(8-chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-1-piperazinyl) ethyl ester, (Z)-2-butenedioate(1:1) (salt) 86490-14-4
Benzeneacetic acid,2-(4-(8-chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)-1-piperazinyl) ethyl ester, monomethanesulfonate(salt) 86490-15-5
Benzeneacetic acid,3-chloro-4-(2,3-dihydroxypropoxy)- 41451-01-8
Benzeneacetic acid,5-chloro-2-ethoxy-alpha-(1-methylpropyl)-,1-(1-methylethyl)-3- pyrrolidinyl ester,2-hydroxy-1,2,3-propanetricarboxylate (1:1) 42729-64-6
Benzeneacetic acid,4-chloro-alpha-ethyl-alpha-hydroxy-(2,3,5,7a-tetrahydro-1-hydroxy- (1H)-pyrrolizin-7-yl)methyl ester,N-oxide, (1R-(1-alpha,7(R*),7a-beta))- 127441-92-3
Benzeneacetic acid,2-(((2-chloroethyl)nitrosoamino)carbonyl)hydrazide 147217-62-7
Benzeneacetic acid,2-(2-chloro-4-ethylphenoxy)-5-methyl- 34643-09-9
Benzeneacetic acid, 3-chloro-4-hydroxy- 33697-81-3
Benzeneacetic acid,3-chloro-alpha-(3-hydroxy-5-oxo-4-phenyl-2(5H)-furanylidene)-, methyl ester 32883-83-3
Benzeneacetic acid,4-chloro-alpha-(3-hydroxy-5-oxo-4-phenyl-2(5H)-furanylidene)-, methyl ester 37542-23-7
Benz(a)anthracene,7,8,9,10-tetrahydro-trans-7,8-dihydroxy-trans-9,10-epoxy-, (+-)- 37542-23-7
Benzeneacetic acid, 4-chloro-alpha-(1-methylethyl)-,cyano(3-phenoxyphenyl)methyl ester 51630-58-1
Benzeneacetic acid, 4-chloro-alpha-(1-methylethyl)-,cyano(3-phenoxyphenyl)methyl ester, (+-)- 51630-58-1
Benzeneacetic acid, 4-chloro-alpha-(1-methylethyl)-,cyano(3-phenoxyphenyl)methyl ester, (R-(R*,S*))- 66267-77-4
Benzeneacetic acid, 4-chloro-alpha-(1-methylethyl)-,cyano (3-phenoxyphenyl)methyl ester, (S-(R*,R*))- 66230-04-4
Benzeneacetic acid, 4-chloro-alpha-(1-methylethyl)-,cyano(3-phenoxyphenyl)methyl ester, (S,S)- 66230-04-4
Benzeneacetic acid, 4-chloro-alpha-(1-methylethyl)-,ethynyl(3-phenoxyphenyl)methyl ester 57731-67-6
Benzeneacetic acid,2-(2-chloro-4-(1-methylpropyl)phenoxy)-5-methyl- 34643-12-4
Benzeneacetic acid, 3-chloro-4-(oxiranylmethoxy)- 70319-10-7
Benzeneacetic acid, 3-(2-chlorophenoxy)-alpha-methyl- 56911-35-4
Benzeneacetic acid,4-(4-(4-chlorophenyl)-5-ethoxy-2-oxazolyl)- 80589-74-8
Benz(a)anthracene,8,9,10,11-tetrahydro-8,9-dihydroxy-10,11-epoxy-,anti- 63038-82-4
Benzeneacetic acid,4-(4-(4-chlorophenyl)-5-ethoxy-2-oxazolyl)-, methylester 80589-84-0
Benzeneacetic acid,alpha-(4-(3-chlorophenyl)-3-hydroxy-5-oxo-2(5H)-furanylidene)-, methyl ester 33050-81-6
Benzeneacetic acid,alpha-(4-(4-chlorophenyl)-3-hydroxy-5-oxo-2(5H)-furanylidene)-, methyl ester, (E)- 37542-22-6
Benzeneacetic acid,4-(5-(4-chlorophenyl)-3-isoxazolyl)- 78868-40-3
Benzeneacetic acid,4-(5-(4-chlorophenyl)-3-isoxazolyl)-alpha-methyl- 78868-44-7
Benzeneacetic acid,4-(5-(4-chlorophenyl)-3-isoxazolyl)-, methyl ester 78868-48-1
Benzeneacetic acid,4-(5-(4-chlorophenyl)-3-isoxazolyl)-alpha-methyl-,methyl ester 78868-52-7
Benzeneacetic acid, 3-chloro-4-(phenylmethoxy)- 60736-70-1
Benzeneacetic acid,4-(4-(4-chlorophenyl)-5-methoxy-2-oxazolyl)- 80589-73-7
Benzeneacetic acid,4-(4-(4-chlorophenyl)-5-methoxy-2-oxazolyl)-, methylester 80589-83-9
Benz(a)anthracene,8,9,10,11-tetrahydro-8,9-dihydroxy-10,11-epoxy-, syn- 63038-83-5
Benzeneacetic acid,alpha-(4-((4-chlorophenyl)methyl)phenoxy)-, ethylester, (+-)- 71548-63-5
Benzeneacetic acid, alpha-chloro-alpha-phenyl-,2-pyridinylmethyl ester, hydrochloride 42023-78-9
Benzeneacetic acid,4-((5-chloro-2-thienyl)carbonyl)-alpha-methyl- 52779-88-1
Benzeneacetic acid,4,4'-((5-chloro-2-thioxo-1H-benzimidazole-1,3(2H)-diyl)bis (methyleneimino))bis-, hydrate 91067-27-5
Benzeneacetic acid, 4-cyano-2,3,5,6-tetrachlorophenylester 67205-63-4
Benzeneacetic acid, alpha-cyclobutyl-alpha-hydroxy-,1-methyl-4-piperidinyl ester 54390-94-2
Benzeneacetic acid, alpha-cyclohexyl-alpha-hydroxy-,(4-diethylamino)-1,1-dimethyl- 2-buteynyl ester,hydrochloride 129927-33-9
Benzeneacetic acid,4-cyclohexyl-alpha-(1-hydroxyethyl)-, (R*,R*)-(-)- 88221-67-4
Benzeneacetic acid,4-cyclohexyl-alpha-(1-hydroxyethyl)-, (R*,R*)-(+)- 88221-66-3
Benzeneacetic acid,4-cyclohexyl-alpha-(1-hydroxyethyl)-, (R*,S*)-(-)- 88221-69-6

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