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Impurities and reference standards

Isoprogesterone

Also known as 17-Isoprogesterone, Progesterone EP Impurity M, (17alpha)-Pregn-4-ene-3,20-dione

CAS 2000-66-0Formula C21H30O2Molar mass 314.47 g/mol
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Isoprogesterone chemical structure, C21H30O2, CAS 2000-66-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2000-66-0
Formula
C21H30O2
Molar mass
314.47 g/mol
HS code
291429
Category
Impurities and reference standards

What is Isoprogesterone?

Plain description, key identifiers and synonyms

Isoprogesterone is a chemical substance with the molecular formula C21H30O2 and a molar mass of 314.47 g/mol. Its CAS registry number is 2000-66-0. The IUPAC name is (8S,9S,10R,13S,14S,17R)-17-acetyl-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(8S,9S,10R,13S,14S,17R)-17-acetyl-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
CAS number
2000-66-0
Molecular formula
C21H30O2
UNII
QF9G358XQX
InChIKey
RJKFOVLPORLFTN-HXIANDDZSA-N
InChI
InChI=1S/C21H30O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h12,16-19H,4-11H2,1-3H3/t16-,17-,18-,19-,20-,21+/m0/s1
Canonical SMILES
CC(=O)C1CCC2C3CCC4=CC(=O)CCC4(C)C3CCC12C
Isomeric SMILES
CC(=O)[C@@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)CC[C@]34C)C

Synonyms

  • 17-Isoprogesterone
  • Progesterone EP Impurity M
  • (17alpha)-Pregn-4-ene-3,20-dione
  • Progesterone impurity M
  • 17alpha-Pregn-4-ene-3,20-dione
  • (8S,9S,10R,13S,14S,17R)-17-acetyl-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
  • Pregn-4-ene-3,20-dione, (17alpha)-
  • 17a-Progesterone
  • (8S,9S,10R,13S,14S,17R)-17-acetyl-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
  • Progesterone EP Impurity M (17-alpha-Progesterone)
  • 17|A-Pregn-4-ene-3,20-dione
  • (17|A)-Pregn-4-ene-3,20-dione
  • (17.ALPHA.)-PREGN-4-ENE-3,20-DIONE
  • PREGN-4-ENE-3,20-DIONE, (17.ALPHA.)-

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
314.47 g/molcalc.
Exact mass
314.2246 Dacalc.
LogP (octanol/water)
4.72calc.
Topological polar surface area
34.14 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
23calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.81calc.
Formal charge
0calc.
Stereocentres
6calc.
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, O=C1C=C2CCC3C4CCCC4CCC3C2CC1

O=C1C=C2CCC3C4CCCC4CCC3C2CC1

4 rings, 18 atoms.

1,419 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.

Isoprogesterone suppliers

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All 2 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 2 countries

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Isoprogesterone price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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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 Isoprogesterone is traded under.

HS 2914.29Indicative HS code

Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function, other

World exports in 2024
$1B
+6.6% vs 2023, imports $980M
2019 to 2024
Top exporters
  1. China32.5%
  2. India * partner reported12.9%
  3. Germany12.3%
Top importers
  1. United States15.7%
  2. Japan8.7%
  3. Germany8.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Isoprogesterone?

Isoprogesterone is a chemical substance with the molecular formula C21H30O2 and a molar mass of 314.47 g/mol. Its CAS registry number is 2000-66-0. The IUPAC name is (8S,9S,10R,13S,14S,17R)-17-acetyl-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one.

What is the CAS number of Isoprogesterone?

The CAS registry number of Isoprogesterone is 2000-66-0.

What is the molecular formula and weight of Isoprogesterone?

The molecular formula of Isoprogesterone is C21H30O2 and its molar mass is 314.47 g/mol.

Is Isoprogesterone hazardous?

No GHS hazard classification for Isoprogesterone 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 Isoprogesterone?

Isoprogesterone is usually classified under HS code 291429 (Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Isoprogesterone?

CompoundList lists 2 suppliers of Isoprogesterone in China and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Isoprogesterone in India?

1 supplier in India list Isoprogesterone on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Isoprogesterone?

Suppliers quote Isoprogesterone 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 Isoprogesterone

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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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