Skip to content
Molekula

Molekula

Mifepristone

SKU 32486034 CAS 84371-65-3 C29H35NO2 MW 429.59 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

Mifepristone is a synthetic steroid compound widely used as a medication to terminate early pregnancies, manage Cushing’s syndrome, and induce labor. It functions as a progesterone antagonist, blocking the hormone’s effects. This chemical has a CAS number of 84371-65-3, a molecular formula of C29H35NO2, and a molecular weight of 429.59 g/mol. It requires storage between 2 to 8°C and carries a **Danger** signal word due to its high-risk applications. Molekula supplies Mifepristone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

Contact sales
Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Overview

SKU
32486034
CAS Number
84371-65-3
IUPAC Name
(8S,11R,13S,14S,17S)-11-[4-(dimethylamino)phenyl]-17-hydroxy-13-methyl-17-prop-1-ynyl-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one
Molecular Formula
C29H35NO2
Molecular Weight
429.59
Exact Mass
429.2668
SMILES
CC#C[C@@]1(CC[C@@H]2[C@@]1(C[C@@H](C3=C4CCC(=O)C=C4CC[C@@H]23)C5=CC=C(C=C5)N(C)C)C)O
InChIKey
VKHAHZOOUSRJNA-GCNJZUOMSA-N
InChI
InChI=1S/C29H35NO2/c1-5-15-29(32)16-14-26-24-12-8-20-17-22(31)11-13-23(20)27(24)25(18-28(26,29)2)19-6-9-21(10-7-19)30(3)4/h6-7,9-10,17,24-26,32H,8,11-14,16,18H2,1-4H3/t24-,25+,26-,28-,29-/m0/s1
PubChem CID
55245

Synonyms

  • 11-((4-dimethylamino) phenyl)-17-Hydroxy-17-(1-propynyl) Estra-4,9-dien-3-one
  • Corlux
  • Korlym
  • Mifegyne
  • Mifeprex
  • Mifepristona
  • Mifepristonum
  • RU 38486
  • RU 486
  • ZK 98296

Literature values

Published physical properties of the substance, not batch specifications.

Appearance
Yellow powder
Melting Point
150 °C
Solubility (other solvents)
Very soluble in methanol, chloroform, and acetone and poorly soluble in water, hexane, and isopropyl ether
Vapour Pressure
8.0 × 10⁻¹⁴ mmHg at 25 °C (Estimated)
log P (octanol/water)
5.4

Source: PubChem CID 55245 (HSDB)

Frequently asked questions

What is mifepristone used for?

Mifepristone is primarily used as a medication for medical abortion (in combination with misoprostol), emergency contraception, and management of Cushing's syndrome.

What is the chemical formula and molecular weight of mifepristone?

The chemical formula is **C₂₉H₃₅NO₂**, and the molecular weight is **429.59 g/mol**.

How should mifepristone be stored?

Store mifepristone between **2–8°C** to maintain stability and potency.

What grade or purity is available for mifepristone?

Molekula supplies mifepristone in **pharmaceutical-grade purity** (typically ≥99% HPLC).

Can Molekula supply mifepristone in bulk quantities?

Yes, bulk quantities are available upon request, subject to regulatory compliance and approval.

What documentation comes with a mifepristone order?

Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and batch-specific documentation for traceability.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket