ChemicalBook--->CAS DataBase List--->474-86-2

474-86-2

474-86-2 Structure

474-86-2 Structure
IdentificationBack Directory
[Name]

EQUILIN
[CAS]

474-86-2
[Synonyms]

EQUILIN
EQUILINE
NSC 10971
Equilin CRS
Equilin (25 mg)
7-DEHYDROESTRONE
Dihydroequilenin
EQUILIN USP/EP/BP
Equilin solution
EQUILIN VETRANAL, 100 MG
Equilin (7-Dehydroestrone)
1,3,5,7-estratetraen-3-ol-17-one
1,3,5[10],7-ESTRATETRAEN-3-OL-17-ONE
5(10),7-tetraen-17-one,3-hydroxy-estra-3
3-Hydroxyestra-1,3,5(10),7-tetraen-17-one
3-HYDROXY-1,3,5[10],7-ESTRATETRAEN-17-ONE
3-hydroxyoestra-1,3,5(10),7-tetraen-17-one
Estra-1,3,5(10),7-tetraen-17-one, 3-hydroxy-
1,3,5(10),7-Estratetraen-3-ol-17-one, 3-Hydroxy-1,3,5(10),7-estratetraen-17-one, 7-Dehydroestrone
(9S,13S,14S)-3-hydroxy-13-methyl-9,11,12,13,15,16-hexahydro-6H-cyclopenta[a]phenanthren-17(14H)-one
Equilin,1,3,5(10),7-Estratetraen-3-ol-17-one, 3-Hydroxy-1,3,5(10),7-estratetraen-17-one, 7-Dehydroestrone
EquilinQ: What is Equilin Q: What is the CAS Number of Equilin Q: What is the storage condition of Equilin Q: What are the applications of Equilin
[EINECS(EC#)]

207-488-6
[Molecular Formula]

C18H20O2
[MDL Number]

MFCD00046223
[MOL File]

474-86-2.mol
[Molecular Weight]

268.35
Chemical PropertiesBack Directory
[Melting point ]

238-240 °C(lit.)
[alpha ]

D25 +308° (c = 2 in dioxane); D25 +325° (c = 2 in alc)
[Boiling point ]

351.51°C (rough estimate)
[density ]

1.1096 (rough estimate)
[refractive index ]

1.4800 (estimate)
[Fp ]

9℃
[storage temp. ]

Refrigerator
[solubility ]

Chloroform (Slightly), Dioxane (Slightly, Heated, Sonicated), DMSO (Slightly, Sonicated)
[form ]

neat
[pka]

pKa 10.26±0.04(H2O t=23±2) (Uncertain)
[color ]

White to off-white
[Water Solubility ]

1.4mg/L(25 ºC)
[Merck ]

13,3672
[BRN ]

2624302
[EPA Substance Registry System]

Equilin (474-86-2)
Safety DataBack Directory
[Hazard Codes ]

Xn,T,F
[Risk Statements ]

40-62-63-39/23/24/25-23/24/25-11
[Safety Statements ]

36/37-45-16-7
[RIDADR ]

UN1230 - class 3 - PG 2 - Methanol, solution
[WGK Germany ]

3
[RTECS ]

KG6650000
[HS Code ]

2937230000
Hazard InformationBack Directory
[Chemical Properties]

Off-White Solid
[Uses]

Equilin is an estrogen found in Premarin, which is a mixture of conjugated estrogens widely used in hormone replacement therapy.
[Definition]

ChEBI: Equilin is a 17-oxo steroid and a 3-hydroxy steroid. It derives from a hydride of an estrane.
[General Description]

An estrogen present in the hormone replacement therapy drug Premarin. Equilin levels are monitored in drinking water samples by LC-MS/MS using EPA method 539.
Spectrum DetailBack Directory
[Spectrum Detail]

EQUILIN(474-86-2)1HNMR
EQUILIN(474-86-2)13CNMR
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