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Steroids and sterols

Inostral

Also known as delta-MVE, Enovid (Salt/Mix), Ovulen (Salt/Mix)

CAS 4502-08-3Formula C21H26O2Molar mass 310.44 g/mol
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Inostral chemical structure, C21H26O2, CAS 4502-08-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4502-08-3
Formula
C21H26O2
Molar mass
310.44 g/mol
HS code
290949
Category
Steroids and sterols

What is Inostral?

Plain description, key identifiers and synonyms

Inostral is a chemical substance with the molecular formula C21H26O2 and a molar mass of 310.44 g/mol. Its CAS registry number is 4502-08-3. The IUPAC name is (8R,9S,13S,14S,17S)-17-ethynyl-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(8R,9S,13S,14S,17S)-17-ethynyl-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol
CAS number
4502-08-3
Molecular formula
C21H26O2
InChIKey
IMSSROKUHAOUJS-CRSSMBPESA-N
InChI
InChI=1S/C21H26O2/c1-4-21(22)12-10-19-18-7-5-14-13-15(23-3)6-8-16(14)17(18)9-11-20(19,21)2/h1,6,8,13,17-19,22H,5,7,9-12H2,2-3H3/t17-,18-,19+,20+,21-/m1/s1
Canonical SMILES
C#CC1(O)CCC2C3CCc4cc(OC)ccc4C3CCC21C
Isomeric SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@]2(C#C)O)CCC4=C3C=CC(=C4)OC

Synonyms

  • delta-MVE
  • Enovid (Salt/Mix)
  • Ovulen (Salt/Mix)
  • EE 3ME
  • Ethinyloestradiol 3-methyl ether
  • component of C-Quens (Salt/Mix)
  • Epimestranol
  • 17alpha-Ethynyloestradiol methyl ether
  • 17-alpha-Ethynyloestradiol methyl ether
  • 3-Methoxy-17-ethynyloestradiol-17-beta
  • 17-Ethynyl-3-methoxy-1,3,5(10)-estratrien-17beta-ol
  • 17-Ethynyl-3-methoxy-1,3,5(10)-oestratien-17beta-ol
  • 17-Ethynyl-3-methoxyestra-1,3,5(10)-trien-17beta-ol #
  • Estra-1,3,5(10)-trien-17beta-ol, 17-ethynyl-3-methoxy-
  • 17-alpha-Ethynyl-3-methoxy-1,3,5(10)-estratrien-17-beta-ol
  • 3-Methoxy-17alpha-ethynyl-1,3,5(10)-estratrien-17beta-ol
  • 3-Methoxy-17alpha-ethynyl-1,3,5(10)-oestratrien-17beta-ol
  • (+)-17alpha-Ethynyl-17beta-hydroxy-3-methoxy-1,3,5(10)-estratriene
  • (+)-17alpha-Ethynyl-17beta-hydroxy-3-methoxy-1,3,5(10)-oestratriene
  • 17alpha-19-Norpregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy-
  • 19-Nor-17alpha-pregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy-
  • 19-Norpregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy-, (17alpha)-
  • 3-Methoxy-17-alpha-19-norpregna-1,3,5(10)-trien-20-yn-17-ol
  • 3-Methoxy-19-nor-17alpha-pregna-1,3,5(10)-trien-20-yn-17-ol
  • 3-Methoxy-19-nor-17alpha-pregna-1,3,5(10)-trien-20-yn-17beta-ol
Show all 31 synonyms
  • Estra-1,3,5(10)-trien-17-beta-ol, 17-alpha-ethynyl-3-methoxy-
  • (17-alpha)-3-METHOXY-19-NORPREGNA-1,3,5(10)-TRIEN-20-YN-17-OL
  • 17alpha-Ethynyl-3-methoxy-17beta-hydroxy-delta1,3,5(10)-estratriene
  • 17alpha-Ethynyl-3-methoxy-17beta-hydroxy-delta1,3,5(10)-oestratriene
  • 3,17-beta-Dihydroxy-17-alpha-ethynyl-1,3,5(10)-estratriene-3-methyl ether
  • 3-Methoxy-19-norpregna-1,3,5(10)-trien-20-yn-17-ol

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
310.44 g/molcalc.
Exact mass
310.1933 Dacalc.
LogP (octanol/water)
3.92calc.
Topological polar surface area
29.46 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
23calc.
Rings
4calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.62calc.
Formal charge
0calc.
Stereocentres
5calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2c(c1)CCC1C2CCC2CCCC21

c1ccc2c(c1)CCC1C2CCC2CCCC21

4 rings, 17 atoms.

585 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Inostral suppliers

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Inostral price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Inostral is traded under.

HS 2909.49Indicative HS code

Ether-alcohols and their halogenated not elsewhere classified in subheading 2909.4

World exports in 2024
$1.74B
+6.8% vs 2023, imports $1.86B
2019 to 2024
Top exporters
  1. Germany20.6%
  2. China13.9%
  3. Netherlands12.2%
Top importers
  1. China8.8%
  2. Germany8.3%
  3. United States7.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Inostral is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Inostral, based on the data on this page

What is Inostral?

Inostral is a chemical substance with the molecular formula C21H26O2 and a molar mass of 310.44 g/mol. Its CAS registry number is 4502-08-3. The IUPAC name is (8R,9S,13S,14S,17S)-17-ethynyl-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol.

What is the CAS number of Inostral?

The CAS registry number of Inostral is 4502-08-3.

What is the molecular formula and weight of Inostral?

The molecular formula of Inostral is C21H26O2 and its molar mass is 310.44 g/mol.

Is Inostral hazardous?

No GHS hazard classification for Inostral is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Inostral?

Inostral is usually classified under HS code 290949 (Ether-alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Inostral?

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What is the price of Inostral?

Suppliers quote Inostral on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Inostral

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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