# 16-epiestriol

*/Products/16-epiestriol*

This classification denotes a steroidal estrogen with the molecular formula C18H24O3, a preparation that US FDA regulates as an active ingredient or moiety under Unique Ingredient Identifier 8XZ32LI44K, chemically known as 3,16beta,17beta-trihydroxy-1,3,5(10)-estratriene but generally known as 16-epiestriol, which bears US NIH Compound Identifier 3269. European Medicines Agency schedules Epiestriol in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB06565MIG. The term EPIESTRIOL is an International Non-Proprietary Name or INN (see WHO INN reference publication, Volume 19 1975, List 5). SMILES: CC12CCC3C(C1CC(C2O)O)CCC4=C3C=CC(=C4)O.

## Product Bo M

**Input To**:
- [Reagent Formulation](/Processes/Reagent_Formulation)
- [Analytical Calibration](/Processes/Analytical_Calibration)
**Summary**: 16-epiestriol, a purified estrogenic steroid stereoisomer of estriol supplied as a fine crystalline solid for use as a biochemical reference standard and assay reagent; as a defined molecule it has no assembly bill-of-materials and is consumed up into reference standard solutions and diagnostic reagents.
**Output Of**:
- [Steroid Synthesis](/Processes/Steroid_Synthesis)
- [Purification and Crystallization](/Processes/Purification_and_Crystallization)
**Packaged In**:
- [Amber Glass Vial](/Products/Amber_Glass_Vial)
- [Desiccated Foil Pouch](/Products/Desiccated_Foil_Pouch)
**By Product Of**:
- [Synthesis Mother Liquor](/Products/Synthesis_Mother_Liquor)
**Described By**:
- [Certificate of Analysis Record](/Datasets/Certificate_of_Analysis_Record)
**Physical Good**: true
**Produced With**:
- [Chemical Reactor](/Products/Chemical_Reactor)
- [Preparative Chromatography Column](/Products/Preparative_Chromatography_Column)
- [Vacuum Crystallizer](/Products/Vacuum_Crystallizer)
- [Rotary Evaporator](/Products/Rotary_Evaporator)
**Consumes To Make**:
- [Estriol Precursor](/Products/Estriol_Precursor)
- [Organic Solvents](/Products/Organic_Solvents)
- [Synthesis Reagents](/Products/Synthesis_Reagents)
**Has Measurement**:
- [Chemical Purity](/Metrics/Chemical_Purity)
- [Optical Rotation](/Metrics/Optical_Rotation)
- [Melting Point](/Metrics/Melting_Point)
- [Residual Solvent Content](/Metrics/Residual_Solvent_Content)
**Transforms Into**:
- [Estrogen Assay Reference Standard](/Products/Estrogen_Assay_Reference_Standard)
- [Steroid Calibrator Solution](/Products/Steroid_Calibrator_Solution)
- [Diagnostic Reagent Kit](/Products/Diagnostic_Reagent_Kit)

## Neighborhood

### Parent

- [Estrogen, progestin, or internal contraceptive estrenes](/Products/Estrogen,_progestin,_or_internal_contraceptive_estrenes) — parent · Products

### Siblings

- [Aglepristone](/Products/Aglepristone) — siblings · Products
- [Allylestrenol](/Products/Allylestrenol) — siblings · Products
- [Altrenogest](/Products/Altrenogest) — siblings · Products
- [Estradiol or oestradiol](/Products/Estradiol_or_oestradiol) — siblings · Products
- [Dienogest](/Products/Dienogest) — siblings · Products
- [Dydrogesterone](/Products/Dydrogesterone) — siblings · Products
- [Estriol](/Products/Estriol) — siblings · Products
- [Fulvestrant](/Products/Fulvestrant) — siblings · Products
- [Estrone](/Products/Estrone) — siblings · Products
- [Estropipate](/Products/Estropipate) — siblings · Products
- [Medroxyprogesterone acetate](/Products/Medroxyprogesterone_acetate) — siblings · Products
- [Mifepristone](/Products/Mifepristone) — siblings · Products
- [Nilestriol or nylestriol](/Products/Nilestriol_or_nylestriol) — siblings · Products
- [Quinestrol](/Products/Quinestrol) — siblings · Products
- [Promestriene](/Products/Promestriene) — siblings · Products
- [Methylestrenolone](/Products/Methylestrenolone) — siblings · Products
- [Ormeloxifene or centchroman](/Products/Ormeloxifene_or_centchroman) — siblings · Products
- [Estradiol acetate](/Products/Estradiol_acetate) — siblings · Products
- [Estradiol benzoate](/Products/Estradiol_benzoate) — siblings · Products
- [Estradiol cypionate](/Products/Estradiol_cypionate) — siblings · Products
- [Estradiol dipropionate](/Products/Estradiol_dipropionate) — siblings · Products
- [Estradiol hemihydrate](/Products/Estradiol_hemihydrate) — siblings · Products
- [Estradiol monopalmitate](/Products/Estradiol_monopalmitate) — siblings · Products
- [Estradiol undecylate](/Products/Estradiol_undecylate) — siblings · Products
- [Estradiol valerate](/Products/Estradiol_valerate) — siblings · Products
- [Estriol succinate](/Products/Estriol_succinate) — siblings · Products
- [Estrone acetate](/Products/Estrone_acetate) — siblings · Products
- [Estrone benzoate](/Products/Estrone_benzoate) — siblings · Products
- [Estrone glucuronide](/Products/Estrone_glucuronide) — siblings · Products
- [Estrone hydrogen sulfate](/Products/Estrone_hydrogen_sulfate) — siblings · Products
- [Estrone sodium sulfate](/Products/Estrone_sodium_sulfate) — siblings · Products
- [Conjugated estrogens/medroxyprogesterone acetate](/Products/Conjugated_estrogens%2Fmedroxyprogesterone_acetate) — siblings · Products
- [Estradiol/trimegestone](/Products/Estradiol%2Ftrimegestone) — siblings · Products
- [Estradiol cypionate/medroxyprogesterone acetate](/Products/Estradiol_cypionate%2Fmedroxyprogesterone_acetate) — siblings · Products
- [Depot Decanoate Ester](/Products/Depot_Decanoate_Ester) — siblings · Products
- [Ester](/Products/Ester) — siblings · Products
- [Esterified Estrogens](/Products/Esterified_Estrogens) — siblings · Products
- [Estradiol Vaginal Insert](/Products/Estradiol_Vaginal_Insert) — siblings · Products
- [Estramustine Phosphate Capsule](/Products/Estramustine_Phosphate_Capsule) — siblings · Products
- [Estriol Oral Tablet](/Products/Estriol_Oral_Tablet) — siblings · Products
- [Estriol Succinate Tablet](/Products/Estriol_Succinate_Tablet) — siblings · Products
- [Estrofurate Tablet](/Products/Estrofurate_Tablet) — siblings · Products
- [Menopausal Hormone Therapy Regimen](/Products/Menopausal_Hormone_Therapy_Regimen) — siblings · Products
- [Mifepristone Tablets](/Products/Mifepristone_Tablets) — siblings · Products

### Output of

- [Steroid Chemical Synthesis](/Processes/Steroid_Chemical_Synthesis) — output of · Processes
- [Crystallization and Purification](/Processes/Crystallization_and_Purification) — output of · Processes
- [Chemical Purification](/Processes/Chemical_Purification) — output of · Processes
- [Synthesize Steroid Compound](/Processes/Synthesize_Steroid_Compound) — output of · Processes

### Input to

- [Formulating Reference Standard](/Processes/Formulating_Reference_Standard) — input to · Processes
- [Analytical Calibration](/Processes/Analytical_Calibration) — input to · Processes
- [Reagent Formulation](/Processes/Reagent_Formulation) — input to · Processes
- [Calibrate Immunoassay](/Processes/Calibrate_Immunoassay) — input to · Processes

### Transforms into

- [Reagent Test Kit](/Products/Reagent_Test_Kit) — transforms into · Products
- [Estrogen Assay Reference Standard](/Products/Estrogen_Assay_Reference_Standard) — transforms into · Products
- [Steroid Assay Calibrator](/Products/Steroid_Assay_Calibrator) — transforms into · Products

### Packaged in

- [Desiccant Foil Pouch](/Products/Desiccant_Foil_Pouch) — packaged in · Products
- [Amber Glass Vial](/Products/Amber_Glass_Vial) — packaged in · Products

### Consumes

- [Synthesis Reaction Reagents](/Products/Synthesis_Reaction_Reagents) — consumes · Products
- [Oxidant Reagent](/Products/Oxidant_Reagent) — consumes · Products
- [Organic Solvent](/Products/Organic_Solvent) — consumes · Products
- [Estriol Precursor](/Products/Estriol_Precursor) — consumes · Products
- [Laboratory Solvent](/Products/Laboratory_Solvent) — consumes · Products

### Produced with

- [Vacuum Crystalliser](/Products/Vacuum_Crystalliser) — produced with · Products
- [Rotary evaporators](/Products/Rotary_evaporators) — produced with · Products
- [Chemical Reaction Vessel](/Products/Chemical_Reaction_Vessel) — produced with · Products
- [Chemical reactors](/Products/Chemical_reactors) — produced with · Products
- [Preparative Chromatography Column](/Products/Preparative_Chromatography_Column) — produced with · Products
- [Chromatography System](/Products/Chromatography_System) — produced with · Products

### Measured by

- [Residual Solvent](/Metrics/Residual_Solvent) — measured by · Metrics
- [Compound Purity](/Metrics/Compound_Purity) — measured by · Metrics
- [Melting Point](/Metrics/Melting_Point) — measured by · Metrics
- [Optical Rotation](/Metrics/Optical_Rotation) — measured by · Metrics

### Described by

- [Certificate of Analysis Record](/Datasets/Certificate_of_Analysis_Record) — described by · Datasets
- [Certificate Of Analysis](/Datasets/Certificate_Of_Analysis) — described by · Datasets

### By product of

- [Synthesis Mother Liquor](/Products/Synthesis_Mother_Liquor) — by product of · Products