Moxestrol

Modify Date: 2025-08-29 16:32:27

Moxestrol Structure
Moxestrol structure
 Common Name Moxestrol
CAS Number 34816-55-2 Molecular Weight 326.42900
Density 1.221g/cm3 Boiling Point 477.715ºC at 760 mmHg
Molecular Formula C21H26O3 Melting Point N/A
MSDS N/A Flash Point 242.714ºC

 Names

Name (8S,9S,11S,13S,14S,17R)-17-ethynyl-11-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.221g/cm3
Boiling Point 477.715ºC at 760 mmHg
Molecular Formula C21H26O3
Molecular Weight 326.42900
Flash Point 242.714ºC
Exact Mass 326.18800
PSA 49.69000
LogP 3.23750
Index of Refraction 1.609
InChIKey MTMZZIPTQITGCY-OLGWUGKESA-N
SMILES C#CC1(O)CCC2C3CCc4cc(O)ccc4C3C(OC)CC21C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RC8945000
CHEMICAL NAME :
19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-di ol, 11-beta-methoxy-
CAS REGISTRY NUMBER :
34816-55-2
LAST UPDATED :
199612
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C21-H26-O3
MOLECULAR WEIGHT :
326.47
WISWESSER LINE NOTATION :
L E5 B666TTT&J CO1 E1 FQ F1UU1 OQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Implant
SPECIES OBSERVED :
Rodent - hamster
DOSE/DURATION :
400 mg/kg/39W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Kidney, Ureter, Bladder - Kidney tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
50 ug/kg
SEX/DURATION :
female 16-20 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 - fetal death Reproductive - Effects on Newborn - delayed effects
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
250 ug/kg
SEX/DURATION :
female 16-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - urogenital system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
1250 ug/kg
SEX/DURATION :
female 16-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - live birth index (measured after birth)

MUTATION DATA

TEST SYSTEM :
Rodent - hamster
DOSE/DURATION :
160 mg/kg/20W (Continuous)
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 311,191,1994

 Synthetic Route

17-hydroxy-11-methoxy-13-methyl-6,7,8,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one structure

17-hydroxy-11-m...

CAS#:15084-45-4

~%

Moxestrol Structure

Moxestrol

CAS#:34816-55-2

Literature: Azadian Boulanger; Bertin 1973 , vol. 8, # 4 p. 451 - 454
11β-Methoxy-Δ4,9-estradien-3,17-dion structure

11β-Methoxy-Δ4,...

CAS#:21391-55-9

~%

Moxestrol Structure

Moxestrol

CAS#:34816-55-2

Literature: Azadian Boulanger; Bertin 1973 , vol. 8, # 4 p. 451 - 454
11beta-Methoxyestradiol structure

11beta-Methoxye...

CAS#:40128-89-0

~%

Moxestrol Structure

Moxestrol

CAS#:34816-55-2

Literature: Azadian Boulanger; Bertin 1973 , vol. 8, # 4 p. 451 - 454
11β-methoxyestrone structure

11β-methoxyestrone

CAS#:21375-11-1

Acetylene structure

Acetylene

CAS#:74-86-2

~%

Moxestrol Structure

Moxestrol

CAS#:34816-55-2

Literature: Azadian Boulanger; Bertin 1973 , vol. 8, # 4 p. 451 - 454
11SS,17SS-DIHYDROXYL-4(5),9(10)-DENE-EXTRA-3-ONE structure

11SS,17SS-DIHYD...

CAS#:2299-08-3

~%

Moxestrol Structure

Moxestrol

CAS#:34816-55-2

Literature: Azadian Boulanger; Bertin 1973 , vol. 8, # 4 p. 451 - 454

 Synonyms

11beta-Methoxyethinylestradiol
Moxestrolum
Moxestrol
RU 2858
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