CompoundList
Sign in
Steroids and sterols

Pentarane A

Also known as 16alpha,17alpha-Cyclohexanoprogesterone, 16,24-Cyclo-21-norchol-4-en-3-one, 17-acetyl-, (16beta,17alpha)-, (4ar,4bs,6as,6bs,10ar,11as,11br)-6b-acetyl-4a,6a-dimethyl-3,4,4a,4b,5,6,6a,6b,7,8,9,10,10a,11,11a,11b,12,13-octadecahydro-2h-indeno[2,1-a]phenanthren-2-one

CAS 38522-51-9Formula C25H36O2Molar mass 368.56 g/mol
Get quotes Safety data
Pentarane A chemical structure, C25H36O2, CAS 38522-51-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
38522-51-9
Formula
C25H36O2
Molar mass
368.56 g/mol
HS code
291429
Category
Steroids and sterols

What is Pentarane A?

Plain description, key identifiers and synonyms

Pentarane A is a chemical substance with the molecular formula C25H36O2 and a molar mass of 368.56 g/mol. Its CAS registry number is 38522-51-9. The IUPAC name is (4aR,4bS,6aS,6bS,10aR,11aS,11bR)-6b-acetyl-4a,6a-dimethyl-4,4b,5,6,7,8,9,10,10a,11,11a,11b,12,13-tetradecahydro-3H-indeno[2,1-a]phenanthren-2-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(4aR,4bS,6aS,6bS,10aR,11aS,11bR)-6b-acetyl-4a,6a-dimethyl-4,4b,5,6,7,8,9,10,10a,11,11a,11b,12,13-tetradecahydro-3H-indeno[2,1-a]phenanthren-2-one
CAS number
38522-51-9 CAS number cross-checked
Molecular formula
C25H36O2
UNII
UMG87A58PN
InChIKey
QRVBGQLTPQQFJY-IEHCJHDVSA-N
InChI
InChI=1S/C25H36O2/c1-16(26)25-11-5-4-6-18(25)15-22-20-8-7-17-14-19(27)9-12-23(17,2)21(20)10-13-24(22,25)3/h14,18,20-22H,4-13,15H2,1-3H3/t18-,20-,21+,22+,23+,24+,25+/m1/s1
Canonical SMILES
CC(=O)C12CCCCC1CC1C3CCC4=CC(=O)CCC4(C)C3CCC12C
Isomeric SMILES
CC(=O)[C@@]12CCCC[C@@H]1C[C@@H]3[C@@]2(CC[C@H]4[C@H]3CCC5=CC(=O)CC[C@]45C)C

Synonyms

  • 16alpha,17alpha-Cyclohexanoprogesterone
  • 16,24-Cyclo-21-norchol-4-en-3-one, 17-acetyl-, (16beta,17alpha)-
  • (4ar,4bs,6as,6bs,10ar,11as,11br)-6b-acetyl-4a,6a-dimethyl-3,4,4a,4b,5,6,6a,6b,7,8,9,10,10a,11,11a,11b,12,13-octadecahydro-2h-indeno[2,1-a]phenanthren-2-one
  • 16alpha,17alpha-Cyclohexanopregn-4-ene-3,20-dione

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
368.56 g/molcalc.
Exact mass
368.2715 Dacalc.
LogP (octanol/water)
5.89calc.
Topological polar surface area
34.14 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
27calc.
Rings
5calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.84calc.
Formal charge
0calc.
Stereocentres
7calc.
Lipinski rule of five
Passes (1 violation)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=C2CCC3C(CCC4C5CCCCC5CC43)C2CC1

O=C1C=C2CCC3C(CCC4C5CCCCC5CC43)C2CC1

5 rings, 22 atoms.

4 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.

Pentarane A suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade Pentarane A can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Pentarane A 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.

Get latest price

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 Pentarane A 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 Pentarane A is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Pentarane A, based on the data on this page

What is Pentarane A?

Pentarane A is a chemical substance with the molecular formula C25H36O2 and a molar mass of 368.56 g/mol. Its CAS registry number is 38522-51-9. The IUPAC name is (4aR,4bS,6aS,6bS,10aR,11aS,11bR)-6b-acetyl-4a,6a-dimethyl-4,4b,5,6,7,8,9,10,10a,11,11a,11b,12,13-tetradecahydro-3H-indeno[2,1-a]phenanthren-2-one.

What is the CAS number of Pentarane A?

The CAS registry number of Pentarane A is 38522-51-9.

What is the molecular formula and weight of Pentarane A?

The molecular formula of Pentarane A is C25H36O2 and its molar mass is 368.56 g/mol.

Is Pentarane A hazardous?

No GHS hazard classification for Pentarane A 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 Pentarane A?

Pentarane A 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 Pentarane A?

Post a free request on CompoundList and suppliers of Pentarane A will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Pentarane A?

Suppliers quote Pentarane A 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 Pentarane A

Get quotes for Pentarane A

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Pentarane A
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Pentarane A with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/pentarane-a-38522-51-9" title="Pentarane A structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Steroids and sterols or HS code 291429

Price on request
Free quotes, contact stays private
Get quotes