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Screening compounds

Isosteviol

Also known as iso-steviol, Ketoisostevic Acid, ent-16-ketobeyeran-19-oic acid

CAS 27975-19-5Formula C20H30O3Molar mass 318.46 g/molEC 817-156-8
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Isosteviol chemical structure, C20H30O3, CAS 27975-19-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
27975-19-5
Formula
C20H30O3
Molar mass
318.46 g/mol
EC number
817-156-8
HS code
291830
Category
Screening compounds

What is Isosteviol?

Plain description, key identifiers and synonyms

Isosteviol is a diterpenoid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1R,4S,5R,9S,10R,13S)-5,9,13-trimethyl-14-oxotetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acid
CAS number
27975-19-5 CAS number cross-checked
EC number
817-156-8
Molecular formula
C20H30O3
UNII
091QB7QO95
MDL number
MFCD28411514
InChIKey
KFVUFODCZDRVSS-XGBBNYNSSA-N
InChI
InChI=1S/C20H30O3/c1-17-9-5-14-18(2)7-4-8-19(3,16(22)23)13(18)6-10-20(14,12-17)11-15(17)21/h13-14H,4-12H2,1-3H3,(H,22,23)/t13-,14-,17-,18+,19+,20-/m0/s1
Canonical SMILES
CC12CCC3C(CCC4C(C)(C(=O)O)CCCC34C)(CC1=O)C2
Isomeric SMILES
C[C@]12CC[C@H]3[C@@]4(CCC[C@@]([C@H]4CC[C@@]3(C1)CC2=O)(C)C(=O)O)C

Synonyms

  • iso-steviol
  • Ketoisostevic Acid
  • ent-16-ketobeyeran-19-oic acid
  • (1R,4S,5R,9S,10R,13S)-5,9,13-trimethyl-14-oxotetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acid
  • (1R,4S,5R,9S,10R,13S)-5,9,13-trimethyl-14-oxotetracyclo(11.2.1.01,10.04,9)hexadecane-5-carboxylic acid
  • (-)-Isosteviol
  • (4R,4aS,6aR,9S,11aR,11bS)-4,9,11b-Trimethyl-8-oxotetradecahydro-6a,9-methanocyclohepta[a]naphthalene-4-carboxylic acid
  • Isosteriol
  • Isosteviol (Standard)
  • 17-Nor-8-beta,13-beta-kauran-18-oic acid, 13-methyl-16-oxo-
  • (4-alpha,8-beta,13-beta)-13-Methyl-16-oxo-17-norkauran-18-oic acid
  • 17-Norkauran-18-oic acid, 13-methyl-16-oxo-, (4-alpha,8-beta,13-beta)-
  • 16-oxobeyeran-18-oic acid
  • iso-SteviolKetoisostevic Acid, (-)-Isosteviol
  • 17-Norkauran-18-oic acid, 13-methyl-16-oxo-
  • (4?,8?,13?)-13-Methyl-16-oxo-17-norkauran-18-oic acid
  • (4|A,8|A,13|A)-13--Methyl-16-oxo-17-norkauran-18-oic acid
  • (4alpha,8beta,13beta)-13-methyl-16-oxo-17-norkauran-18-oic acid
  • (4| cent,8|?,13|?)-13--Methyl-16-oxo-17-norkauran-18-oic acid
  • 17-Norkauran-18-oic acid, 13-methyl-16-oxo-, (4alpha,8beta,13.beta.)-
  • (1R,4S,5R,9S,10R,13S)-5,9,13-trimethyl-14-oxo-tetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acid
  • (1R,4S,5R,9S,10R,13S)-5,9,13-trimethyl-14-oxotetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecane-5-carboxylic acid
  • (4S,4aR,6aR,9S,11aS,11bR)-4,9,11b-trimethyl-8-oxotetradecahydro-6a,9-methanocyclohepta[a]naphthalene-4-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
318.46 g/molcalc.
Exact mass
318.2195 Dacalc.
LogP (octanol/water)
4.44calc.
Topological polar surface area
54.37 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
23calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.9calc.
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=C1CC23CCC4CCCCC4C2CCC1C3

O=C1CC23CCC4CCCCC4C2CCC1C3

4 rings, 17 atoms.

5 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.

Isosteviol suppliers

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

All 6 suppliers
6 of 6 offers

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

6 suppliers in 2 countries

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Isosteviol 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

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 Isosteviol is traded under.

HS 2918.30Indicative HS code

Carboxylic acids with aldehyde or ketone function but without other oxygen function…

World exports in 2024
$813M
−39.8% vs 2023, imports $1.23B
2019 to 2024
Top exporters
  1. China43.3%
  2. India * partner reported10.4%
  3. United States6.8%
Top importers
  1. Singapore33.1%
  2. Germany7.2%
  3. Japan6.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Isosteviol?

Isosteviol is a diterpenoid.

What is the CAS number of Isosteviol?

The CAS registry number of Isosteviol is 27975-19-5.

What is the molecular formula and weight of Isosteviol?

The molecular formula of Isosteviol is C20H30O3 and its molar mass is 318.46 g/mol.

What is Isosteviol used for?

Known uses and roles of Isosteviol include tackifiers in adhesives and sealants, building blocks in research and laboratory and screening compounds in research and laboratory.

Is Isosteviol hazardous?

No GHS hazard classification for Isosteviol 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 Isosteviol?

Isosteviol is usually classified under HS code 291830 (Carboxylic acids with aldehyde or ketone function but without other oxygen function…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Isosteviol?

CompoundList lists 6 suppliers of Isosteviol in China and 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 Isosteviol?

Suppliers quote Isosteviol 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 Isosteviol

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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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