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Steroids and sterols

3-Hydroxyetianic acid

Also known as Androstane-17-carboxylic acid, 3-hydroxy-, (3alpha,5beta,17beta)-, 3 alpha-hydroxy-5 beta-etianic acid, Isoetianic acid

CAS 38775-99-4Formula C20H32O3Molar mass 320.47 g/mol
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3-Hydroxyetianic acid chemical structure, C20H32O3, CAS 38775-99-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
38775-99-4
Formula
C20H32O3
Molar mass
320.47 g/mol
HS code
291819
Category
Steroids and sterols

What is 3-Hydroxyetianic acid?

Plain description, key identifiers and synonyms

3-Hydroxyetianic acid is a chemical substance with the molecular formula C20H32O3 and a molar mass of 320.47 g/mol. Its CAS registry number is 38775-99-4. The IUPAC name is (3R,5R,8R,9S,10S,13S,14S,17S)-3-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(3R,5R,8R,9S,10S,13S,14S,17S)-3-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylic acid
CAS number
38775-99-4
Molecular formula
C20H32O3
InChIKey
KAYYIYDHRSEWHR-VBBBUPHZSA-N
InChI
InChI=1S/C20H32O3/c1-19-9-7-13(21)11-12(19)3-4-14-15-5-6-17(18(22)23)20(15,2)10-8-16(14)19/h12-17,21H,3-11H2,1-2H3,(H,22,23)/t12-,13-,14+,15+,16+,17-,19+,20+/m1/s1
Canonical SMILES
CC12CCC(O)CC1CCC1C2CCC2(C)C(C(=O)O)CCC12
Isomeric SMILES
C[C@]12CC[C@H](C[C@H]1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@@H]4C(=O)O)C)O

Synonyms

  • Androstane-17-carboxylic acid, 3-hydroxy-, (3alpha,5beta,17beta)-
  • 3 alpha-hydroxy-5 beta-etianic acid
  • Isoetianic acid
  • 3alpha-Hydroxy-5beta-etianic acid
  • (3R,5R,8R,9S,10S,13S,14S,17S)-3-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylic acid
  • 3alpha-Hydroxy-5beta-androstan-17beta-carboxylic acid

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
320.47 g/molcalc.
Exact mass
320.2351 Dacalc.
LogP (octanol/water)
4.09calc.
Topological polar surface area
57.53 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
23calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.95calc.
Formal charge
0calc.
Stereocentres
8calc.
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)CCC1C3CCCC3CCC21

C1CCC2C(C1)CCC1C3CCCC3CCC21

4 rings, 17 atoms.

1,694 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.

3-Hydroxyetianic acid suppliers

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Where suppliers are based

1 supplier in 1 country

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3-Hydroxyetianic acid 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 3-Hydroxyetianic acid is traded under.

HS 2918.19Indicative HS code

Carboxylic acids with alcohol function but without other oxygen function, their…

World exports in 2024
$1.37B
+0.5% vs 2023, imports $1.18B
2019 to 2024
Top exporters
  1. China23.7%
  2. Italy14.7%
  3. India * partner reported12.0%
Top importers
  1. Germany11.7%
  2. South Korea9.8%
  3. Italy9.6%

* Partner reported figures, a lower bound.

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

The HS code shown for 3-Hydroxyetianic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 3-Hydroxyetianic acid, based on the data on this page

What is 3-Hydroxyetianic acid?

3-Hydroxyetianic acid is a chemical substance with the molecular formula C20H32O3 and a molar mass of 320.47 g/mol. Its CAS registry number is 38775-99-4.

What is the CAS number of 3-Hydroxyetianic acid?

The CAS registry number of 3-Hydroxyetianic acid is 38775-99-4.

What is the molecular formula and weight of 3-Hydroxyetianic acid?

The molecular formula of 3-Hydroxyetianic acid is C20H32O3 and its molar mass is 320.47 g/mol.

Is 3-Hydroxyetianic acid hazardous?

No GHS hazard classification for 3-Hydroxyetianic acid 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 3-Hydroxyetianic acid?

3-Hydroxyetianic acid is usually classified under HS code 291819 (Carboxylic acids with alcohol function but without other oxygen function, their…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 3-Hydroxyetianic acid?

CompoundList lists 1 supplier of 3-Hydroxyetianic acid in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 3-Hydroxyetianic acid?

Suppliers quote 3-Hydroxyetianic acid 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 3-Hydroxyetianic acid

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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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