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6639-99-2

6639-99-2 structure
6639-99-2 structure
  • Name: 17alpha-Dihydroequilin
  • Chemical Name: Estra-1,3,5,7,9-pentaene-3,17-diol,(17a)
  • CAS Number: 6639-99-2
  • Molecular Formula: C18H20O2
  • Molecular Weight: 268.350
  • Create Date: 2018-07-08 11:18:40
  • Modify Date: 2024-01-08 15:34:50

Name Estra-1,3,5,7,9-pentaene-3,17-diol,(17a)
Synonyms (13S)-13-methyl-(13r,14t)-12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthrene-3,17t-diol
17alpha-Dihydroquilenin
(13S)-3.17t-Dihydroxy-13r-methyl-(14tH)-12.13.14.15.16.17-hexahydro-11H-cyclopenta[a]phenanthren
(17α)-Estra-1,3,5(10),6,8-pentaene-3,17-diol
17ALPHA-DIHYDROEQUILIN (50 MG)
(13S)-13-Methyl-(13r,14t)-12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthren-3,17t-diol
alfa-dihydroequilenina
17α-Dihydroequilenin
Estra-1,3,5(10),6,8-pentaene-3,17-diol, (17α)-
estra-1,3,5,7,9-pentaene-3,17alpha-diol
Estra-1,3,5(10),6,8-pentaene-3,17α-diol (8CI)
frac12
Density 1.2±0.1 g/cm3
Boiling Point 472.5±45.0 °C at 760 mmHg
Molecular Formula C18H20O2
Molecular Weight 268.350
Flash Point 226.1±23.3 °C
Exact Mass 268.146332
PSA 40.46000
LogP 4.14
Vapour Pressure 0.0±1.2 mmHg at 25°C
Index of Refraction 1.677

CHEMICAL IDENTIFICATION

RTECS NUMBER :
KG6000000
CHEMICAL NAME :
alpha-Estra-1,3,5,7,9-pentaen-3,17-diol
CAS REGISTRY NUMBER :
6639-99-2
LAST UPDATED :
198909
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C18-H20-O2
MOLECULAR WEIGHT :
268.38
WISWESSER LINE NOTATION :
L E5 B666 FV OV NHTT&&J E1 &A

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Implant
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
20 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Reproductive - Tumorigenic effects - uterine tumors
REFERENCE :
RBBIAL Revista Brasileira de Biologia. Brazilian Review of Biology. (Academia Brasileira de Ciencias, Caixa Postal 229, ZC-00 Rio de Janeiro, Brazil) V.1- 1941- Volume(issue)/page/year: 5,1,1945
Precursor  0

DownStream  3