EQUILIN
Synonym(s):1,3,5(10),7-Estratetraen-3-ol-17-one;3-Hydroxy-1,3,5(10),7-estratetraen-17-one;7-Dehydroestrone
- CAS NO.：474-86-2
- Empirical Formula: C18H20O2
- Molecular Weight: 268.35
- MDL number: MFCD00046223
- EINECS: 207-488-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-11 16:31:51
What is EQUILIN?
Chemical properties
Off-White Solid
The Uses of EQUILIN
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.
Properties of EQUILIN
| Melting point: | 238-240 °C(lit.) |
| Boiling point: | 351.51°C (rough estimate) |
| alpha | D25 +308° (c = 2 in dioxane); D25 +325° (c = 2 in alc) |
| Density | 1.1096 (rough estimate) |
| refractive index | 1.4800 (estimate) |
| Flash point: | 9℃ |
| storage temp. | Refrigerator |
| solubility | Chloroform (Slightly), Dioxane (Slightly, Heated, Sonicated), DMSO (Slightly, Sonicated) |
| form | Solid |
| pka | pKa 10.26±0.04(H2O t=23±2) (Uncertain) |
| form | neat |
| 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 information for EQUILIN
| Signal word | Warning |
| Pictogram(s) |
 Health Hazard GHS08 |
| GHS Hazard Statements |
H351:Carcinogenicity H362:Reproductive toxicity, effects on or via lactation |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P263:Avoid contact during pregnancy/while nursing. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for EQUILIN
New Products
3-AMINO-3-(2-FLUORO-PHENYL)-PROPIONIC ACID Pentadecanoic acid Hendecanoic acid 2-AMINO-3-METHYLQUINOLINE HYDROCHLORIDE 3-Hydroxypropionitrile DL-3-Amino-3-(2-methoxyphenyl)propionic acid 5-Bromo-2-Fluoropyridine 2,3-Diamino-5-Chloropyridine 2-Amino-3-Hydroxypyridine 2,6-Diamino Pyridine 4-Amino-2-Chloropyridine 2-Hydroxy-4-Picoline 4-(4-(Dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl)-3-(hydroxymethyl)benzonitrile 4-Bromo-3-(ethoxymethyl)benzoic acid 2,4-Dichloro-5-methoxyaniline 4,6-Dichloro-2-(propylthio)pyrimidin-5-amine N2-Isobutyryl-2'-O-methylguanosine 2-chloro-5-methylpyridin-4-amine 4-Bromobenzaldehyde 2-Chloro-6-nitro benzothiazole 2-Amino-4-phenyl-thiazole 4-Chloro-2-methyl quinoline 2-(Chloromethyl) quinazolin-4(3H)-one 5-Phenyl-[1,3,4]-thiadiazol-2-amineRelated products of tetrahydrofuran
You may like
-
474-86-2 Equilin 98%View Details
474-86-2 -
Equilin CAS 474-86-2View Details
474-86-2 -
2-Bromo-4-nitropyridine-N-oxide 52092-43-0 98%View Details
52092-43-0 -
18979-61-8 98%View Details
18979-61-8 -
4, 4'-Ditolylamine (or) 4,4-Dimethyl Diphenylamine 620-93-9 98%View Details
620-93-9 -
2-Bromo-5-Chloropyridine 98%View Details
40473-01-6 -
2-(2,4-Diaminophenoxy)ethanol Dihydrochloride 98%View Details
66422-95-5 -
Eperisone Hydrochloride APIView Details
56839-43-1
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.