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Heterocyclic building blocks

(+)-Protolichesteric acid

Also known as ent-Protolichesterinic Acid, trans-(+)-Tetrahydro-4-methylene-5-oxo-2-tridecyl-3-furancarboxylic aid, 3-Furancarboxylic aid, tetrahydro-4-methylene-5-oxo-2-tridecyl-, trans-(+)-

Formula C19H32O4Molar mass 324.46 g/mol
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(+)-Protolichesteric acid chemical structure, C19H32O4
2D chemical structure

Key facts

What buyers check first

All properties
Formula
C19H32O4
Molar mass
324.46 g/mol
HS code
293220
Category
Heterocyclic building blocks

What is (+)-Protolichesteric acid?

Plain description, key identifiers and synonyms

trans-(+)-Tetrahydro-4-methylene-5-oxo-2-tridecyl-3-furancarboxylic aid has been reported in Rhizoplaca melanophthalma, Hypotrachyna cirrhata, and Cetraria aculeata.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R,3S)-4-methylidene-5-oxo-2-tridecyloxolane-3-carboxylic acid
Molecular formula
C19H32O4
InChIKey
WZYZDHVPSZCEEP-SJORKVTESA-N
InChI
InChI=1S/C19H32O4/c1-3-4-5-6-7-8-9-10-11-12-13-14-16-17(18(20)21)15(2)19(22)23-16/h16-17H,2-14H2,1H3,(H,20,21)/t16-,17+/m1/s1
Canonical SMILES
C=C1C(=O)OC(CCCCCCCCCCCCC)C1C(=O)O
Isomeric SMILES
CCCCCCCCCCCCC[C@@H]1[C@H](C(=C)C(=O)O1)C(=O)O

Synonyms

  • ent-Protolichesterinic Acid
  • trans-(+)-Tetrahydro-4-methylene-5-oxo-2-tridecyl-3-furancarboxylic aid
  • 3-Furancarboxylic aid, tetrahydro-4-methylene-5-oxo-2-tridecyl-, trans-(+)-

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
324.46 g/molcalc.
Exact mass
324.2301 Dacalc.
LogP (octanol/water)
4.87calc.
Topological polar surface area
63.6 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
13calc.
Heavy atoms
23calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.79calc.
Formal charge
0calc.
Stereocentres
2calc.
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, C=C1CCOC1=O

C=C1CCOC1=O

1 ring, 7 atoms, the alpha-Methylene butyrolactone ring system.

126 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.

(+)-Protolichesteric acid suppliers

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(+)-Protolichesteric 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

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 (+)-Protolichesteric acid is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about (+)-Protolichesteric acid, based on the data on this page

What is (+)-Protolichesteric acid?

trans-(+)-Tetrahydro-4-methylene-5-oxo-2-tridecyl-3-furancarboxylic aid has been reported in Rhizoplaca melanophthalma, Hypotrachyna cirrhata, and Cetraria aculeata.

What is the molecular formula and weight of (+)-Protolichesteric acid?

The molecular formula of (+)-Protolichesteric acid is C19H32O4 and its molar mass is 324.46 g/mol.

What is (+)-Protolichesteric acid used for?

Known uses and roles of (+)-Protolichesteric acid include building blocks in research and laboratory.

Is (+)-Protolichesteric acid hazardous?

No GHS hazard classification for (+)-Protolichesteric 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 (+)-Protolichesteric acid?

(+)-Protolichesteric acid is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (+)-Protolichesteric acid?

Post a free request on CompoundList and suppliers of (+)-Protolichesteric acid will send you quotes. Your contact details stay private until you accept a quote.

What is the price of (+)-Protolichesteric acid?

Suppliers quote (+)-Protolichesteric 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 (+)-Protolichesteric 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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