estradiol

Drug ingredient

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 50-28-2

Where It Comes From

74 FDA-registered drug labelers
A-S Medication Solutions
Allergan, Inc.
American Health Packaging
Amneal Pharmaceuticals LLC
Amneal Pharmaceuticals NY LLC
Amneal Pharmaceuticals of New York LLC
ANI Pharmaceuticals, Inc.
ASCEND Therapeutics US, LLC
Asclemed USA, Inc.
Aspen Oss B.V.
Aurobindo Pharma Limited
AvKARE
Bayer HealthCare Pharmaceuticals Inc.
BioActive Nutritional, Inc.
Breckenridge Pharmaceutical, Inc.
Bryant Ranch Prepack
Catalent Micron Technologies Ltd
Catalent Pharma Solutions LLC
Coupler LLC
Cutyx Research LLP
Deseret Biologicals
Deseret Biologicals, Inc.
Direct_Rx
DMD Clinical Naturopathy
Dr. Donna Restivo DC
Encube Ethicals, Inc.
Energique, Inc.
EPIC PHARMA, LLC
Gedeon Richter Plc.
Glenmark Pharmaceuticals Inc., USA
Guna spa
Hengyang Chuangjiujia Trading Co., Ltd.
Hubei Gedian humanwell Pharmaceutical Co., Ltd
Ingenus Pharmaceuticals, LLC
LETCO MEDICAL, LLC
Mayne Pharma
Mayne Pharma LLC
MEDISCA Inc.
Mylan Pharmaceuticals Inc.
Naari Pte. Limited
NorthStar Rx LLC
Northwind Health Company, LLC
Noven Therapeutics, LLC
Novo Nordisk
NuCare Pharmaceuticals, Inc.
Nutrition Unlimited INC
Nutritional Specialties, Inc.
Orion Corporation, Orion Pharma
Padagis Israel Pharmaceuticals Ltd
Padagis US LLC
PD-Rx Pharmaceuticals, Inc.
Pfizer Laboratories Div Pfizer Inc
PharmPak, Inc.
Prasco Laboratories
Preferred Pharmaceuticals Inc.
ProBLEN
Professional Complementary Health Formulas
Proficient Rx LP
PURACAP LABORATORIES, LLC
Qinhuangdao Zizhu Pharmaceutical Co., Ltd.
REMEDYREPACK INC.
Sandoz Inc
SHAKTI LIFESCIENCE PRIVATE LIMITED
SHYNE BRANDS
SHYNE BRANDS/BIOLabs PRO
Solaris Pharma Corporation
Spectrum Laboratory Products, Inc.
Teva Pharmaceuticals USA, Inc.
Trigen Laboratories, LLC
Vertical Pharmaceuticals, LLC
Viatris Specialty LLC
Xiromed LLC
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 60 drug and cosmetic product listings (FDA).

  • Estradiol
  • Estradiol AND Norethindrone Acetate
  • Balance Plus Cream
  • 3.6oz BiEST 2.5 Estrogen Cream
  • Estriol cream
  • Estradiol Transdermal System
  • Estradiol Gel
  • EstroPRO Homeopathic Organotherapy
Show all 60
  • Strength F
  • Climara
  • Menostar
  • Young Again
  • Dotti
  • Vivelle-Dot
  • Estradiol Vaginal
  • Imvexxy
  • Female Stimulant
  • Immune Forte
  • Estrogens
  • Estradiol 1557
  • Lyllana
  • Estradiol Vaginal Cream
  • Divigel
  • Estradiol Vaginal Inserts
  • Minivelle
  • Female Liquescence
  • Dr Dale Wellness NU Fem 1 2 3 All In One Topical Homeopathic
  • Yuvafem
  • HGH Vitality
  • High Vitality Tab
  • Gynobalance
  • Angeliq
  • Bijuva
  • Abigale LO
  • Evamist
  • Mimvey
  • Estradiol / Norethindrone Acetate
  • Etyqa
  • Prostate Liquescence
  • HelloPharmacist Bi-EST 5.0 Cream
  • Activella
  • Lopreeza
  • Estrace
  • BiEST 5.0 Estrogen Cream - 3.6oz
  • Vagifem
  • High Vitality
  • Climara Pro
  • Estrogen and Progesterone
  • Lipotox
  • Estrogen Phenolic
  • Multi-Phenolic
  • CombiPatch (estradiol/norethindrone acetate transdermal system)
  • Abigale
  • Estrogen 4X
  • Histamine Balancer
  • GUNA-PMS
  • EstroGel
  • BiEST 5.0 Estrogen Cream
  • Estring
  • Elestrin
FDA Shortage Status
No Shortage
Shortage History
to be discontinued

Drospirenone; Ethinyl Estradiol Tablet

05/02/2025

to be discontinued

Ethinyl Estradiol; Etonogestrel Ring

06/16/2025

to be discontinued

Drospirenone; Ethinyl Estradiol Tablet

06/13/2025

to be discontinued

Ethinyl Estradiol; Ethinyl Diacetate Tablet

06/13/2025

Vendor Pricing

$1.83/gAaron Chemicals LLC
CountryHong Kong
Pack$916.00 / 500 g
Purity98%
Vendors39 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

38 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina Hong Kong$1.84500 g98%
AA BLOCKSUnited States$2.27100 g99%
A2B Chem LLCUnited States$2.27100 g99%
ChemsceneUnited States$3.25100 g
Fluorochem EUGermany$4.3610 g97%
Angene International LimitedUnited States$4.9010 g97%
Fulfilled by MolportLatvia$5.001 g98%
Fluorochem UKUnited Kingdom$5.155 g97%
AstaTech, IncUnited States$6.7225 g97%
AK Scientific SpecializedUnited States$14.205 g98%
Accela ChemBioUnited States$15.001 g97%
Cayman EuropeEstonia$26.1810 g98%
AK Scientific, Inc.United States$26.405 g97%
TargetMol ChemicalsChina United States$37.502 g99.99%
Sigma-Aldrich (Rush Stock)Germany$51.90100 g
Sigma-AldrichGermany$51.90100 g
Apexbio Technology LLCUnited States$57.001 g99.28%
InterbioscreenHong Kong$64.5010 g95%
MolnovaChina$82.00500 mg99%
MedChemExpress MCESweden$82.281 g99.93%
MedKoo Biosciences, IncUnited States$85.0010 g98%
TargetMol Chemicals EUAustria$88.00500 mg99.99%
EximedUkraine$160.001 g95%
A2B Chem LLC (1 week)United States$269.001 g99%
AA BLOCKS (1 week)United States$280.001 g99%
Biopharma PEG Scientific Inc.United States$288.001 g95%
Otava, Ltd.Ukraine$300.001 g90%
CliniSciences GmbHSwitzerland$361.20100 mg99%
ChemNormChina$440.00100 mg98%
Labotest KGGermany$453.001000 mg90%
AstaTech (2 weeks)United States$470.001 g95%
Axon MedchemNetherlands$1320.00100 mg99%
ChemFacesChina$1500.0020 mg98%
SpecsNetherlands$1502.821 g90%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg90%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
Vitas M Chemical LimitedHong Kong$3170.00100 mg90%
AngeneChina Hong Kong$4266.6730 mg98%

Chemical Identity

CAS50-28-2
PubChem CID5757
DTXSIDDTXSID0020573
FormulaC18H24O2
Mol. Weight272.4 g/mol
SMILESCC12CCC3C(C1CCC2O)CCC4=C3C=CC(=C4)O

Data Sources

57572026-04-07

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/estradiol/cids/JSON

Archive: data/sources/pubchem_name/estradiol.json

CAS 50-28-22026-04-25

https://open.fda.gov/data/ndc/

Archive: data/sources/fda/ndc/ndc.json

CAS 50-28-22026-06-13

https://api.fda.gov/drug/shortages.json

Archive: data/sources/fda/shortages/shortages.json