Toremifene

Modify Date: 2024-01-02 10:32:22

Toremifene Structure
Toremifene structure
Common Name Toremifene
CAS Number 89778-26-7 Molecular Weight 405.960
Density 1.1±0.1 g/cm3 Boiling Point 535.1±50.0 °C at 760 mmHg
Molecular Formula C26H28ClNO Melting Point 108-110°C
MSDS N/A Flash Point 277.4±30.1 °C

 Use of Toremifene


Toremifene (NK 622; FC 1157a) is a second-generation selective estrogen-receptor modulator (SERM) in development for the prevention of osteoporosis.IC50 Value: 1±0.3 μMTarget: Estrogen receptorToremifene is a second-generation selective estrogen-receptor modulator (SERM) in development for the prevention of osteoporosis and other adverse effects resulting from ADT in men with prostate cancer [1]. in vitro: The growth of Ac-1 cells was inhibited by tamoxifen, toremifene and atamestane in vitro with IC50values of 1.8±1.3μM, 1±0.3μM and 60.4±17.2μM, respectively. The combination of toremifene plusatamestane was found to be better than toremifene or atamestane alone in vitro[2].in vivo: The effect of this combination was then studied in vivo using Ac-1 xenografts grown in ovariectomized female SCID mice. The mice were injected with toremifene (1000μg/day), atamestane (1000μg/day), tamoxifen (100μg/day), or the combination of toremifene plus atamestane. In this study, our results indicate that the combination of toremifene plus atamestane was as effective as toremifene or tamoxifen alone but may not provide any additional benefit over toremifene alone or tamoxifen alone[2].Clinical trail: Prostate cancer diagnosis among men with isolated high-grade intraepithelial neoplasia enrolled onto a 3-year prospective phase III clinical trial of oral toremifene[3].

 Names

Name toremifene
Synonym More Synonyms

 Toremifene Biological Activity

Description Toremifene (NK 622; FC 1157a) is a second-generation selective estrogen-receptor modulator (SERM) in development for the prevention of osteoporosis.IC50 Value: 1±0.3 μMTarget: Estrogen receptorToremifene is a second-generation selective estrogen-receptor modulator (SERM) in development for the prevention of osteoporosis and other adverse effects resulting from ADT in men with prostate cancer [1]. in vitro: The growth of Ac-1 cells was inhibited by tamoxifen, toremifene and atamestane in vitro with IC50values of 1.8±1.3μM, 1±0.3μM and 60.4±17.2μM, respectively. The combination of toremifene plusatamestane was found to be better than toremifene or atamestane alone in vitro[2].in vivo: The effect of this combination was then studied in vivo using Ac-1 xenografts grown in ovariectomized female SCID mice. The mice were injected with toremifene (1000μg/day), atamestane (1000μg/day), tamoxifen (100μg/day), or the combination of toremifene plus atamestane. In this study, our results indicate that the combination of toremifene plus atamestane was as effective as toremifene or tamoxifen alone but may not provide any additional benefit over toremifene alone or tamoxifen alone[2].Clinical trail: Prostate cancer diagnosis among men with isolated high-grade intraepithelial neoplasia enrolled onto a 3-year prospective phase III clinical trial of oral toremifene[3].
Related Catalog
References

[1]. Matthew R Smith, Selective Estrogen Receptor Modulators to Prevent Treatment-Related Osteoporosis.Rev Urol. 2005; 7(Suppl 3): S30-S35.

[2]. Gauri J Sabnis, Luciana Macedo, Olga Goloubeva, Toremifene - Atamestane; Alone or In Combination: Predictions from the Preclinical Intratumoral Aromatase Model. J Steroid Biochem Mol Biol. 2008 January; 108(1-2): 1-7.

[3]. Taneja SS, Morton R, Barnette G, Prostate cancer diagnosis among men with isolated high-grade intraepithelial neoplasia enrolled onto a 3-year prospective phase III clinical trial of oral toremifene. J Clin Oncol. 2013 Feb 10;31(5):523-9.

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 535.1±50.0 °C at 760 mmHg
Melting Point 108-110°C
Molecular Formula C26H28ClNO
Molecular Weight 405.960
Flash Point 277.4±30.1 °C
Exact Mass 405.185944
PSA 12.47000
LogP 7.82
Vapour Pressure 0.0±1.4 mmHg at 25°C
Index of Refraction 1.588
Storage condition 2-8℃

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
KH2156700
CHEMICAL NAME :
Ethanamine, 2-(4-(4-chloro-1,2-diphenyl-1-butenyl)phenoxy)-N,N-di methyl-, (Z)-
CAS REGISTRY NUMBER :
89778-26-7
LAST UPDATED :
199801
DATA ITEMS CITED :
11
MOLECULAR FORMULA :
C26-H28-Cl-N-O
MOLECULAR WEIGHT :
406.00

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 :
1700 mg/kg
TOXIC EFFECTS :
Gastrointestinal - other changes Tumorigenic - active as anti-cancer agent
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
360 mg/kg/30D-I
TOXIC EFFECTS :
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases Biochemical - Metabolism (Intermediary) - other proteins
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1092 mg/kg/13W-I
TOXIC EFFECTS :
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases Biochemical - Metabolism (Intermediary) - other proteins
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
90 mg/kg
SEX/DURATION :
female 30 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects

MUTATION DATA

TEST SYSTEM :
Rodent - rat
DOSE/DURATION :
36300 ug/kg
REFERENCE :
CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 18,303,1997 *** REVIEWS *** IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 66,367,1996 IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 66,367,1996 IARC Cancer Review:Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 66,367,1996

 Safety Information

Hazard Codes Xi
Risk Phrases R37:Irritating to the respiratory system. R43:May cause sensitization by skin contact.
Safety Phrases S8-S24/25-S46
RIDADR UN 2210
RTECS ZB3200000
Packaging Group III
Hazard Class 9
HS Code 2922299090

 Synthetic Route

~%

Toremifene Structure

Toremifene

CAS#:89778-26-7

Literature: WO2011/13108 A1, ; Page/Page column 14 ;

 Customs

HS Code 2922299090
Summary 2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Synonyms

Ethanamine, 2-(4-(4-chloro-1,2-diphenyl-1-butenyl)phenoxy)-N,N-dimethyl-, (Z)-
(Z)-Toremifene
2-{4-[(1Z)-4-chloro-1,2-diphenylbut-1-en-1-yl]phenoxy}-N,N-dimethylethanamine
MFCD00801070
2-{4-[(1Z)-4-Chloro-1,2-diphenyl-1-buten-1-yl]phenoxy}-N,N-dimethylethanamine
ethanamine, 2-[4-[(1Z)-4-chloro-1,2-diphenyl-1-butenyl]phenoxy]-N,N-dimethyl-
2-({4-[(1Z)-4-chloro-1,2-diphenylbut-1-en-1-yl]phenyl}oxy)-N,N-dimethylethanamine
Toremifene Base
2-(4-(4-Chloro-1,2-diphenylbut-1-en-1-yl)phenoxy)-N,N-dimethylethanamine
Toremifene
2-[4-[(Z)-4-chloro-1,2-diphenylbut-1-enyl]phenoxy]-N,N-dimethylethanamine
(Z)-4-Chloro-1,2-diphenyl-1-[4-[2-(N,N-dimethylamino)ethoxy]phenyl]-1-butene
Ethanamine, 2-[4-[(1Z)-4-chloro-1,2-diphenyl-1-buten-1-yl]phenoxy]-N,N-dimethyl-
(Z)-2-[4-(4-Chloro-1,2-diphenyl-1-butenyl)phenoxy]-N,N-dimethylethanamine
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  • Purity: 98.0%
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