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Aliphatic and alicyclic building blocks

Npc288166

Also known as Methyl eicosa-5,8,11,14,17-pentaenoate, (5Z,8Z,11Z,14Z,17Z)-Methyl icosa-5,8,11,14,17-pentaenoate, methyl (5E,8E,11E,14E,17E)-icosa-5,8,11,14,17-pentaenoate

CAS 1191-65-7Formula C21H32O2Molar mass 316.49 g/mol
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Npc288166 chemical structure, C21H32O2, CAS 1191-65-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1191-65-7
Formula
C21H32O2
Molar mass
316.49 g/mol
HS code
291619
Category
Aliphatic and alicyclic building blocks

What is Npc288166?

Plain description, key identifiers and synonyms

Npc288166 is a chemical substance with the molecular formula C21H32O2 and a molar mass of 316.49 g/mol. Its CAS registry number is 1191-65-7. The IUPAC name is methyl (5E,8E,11E,14E,17E)-icosa-5,8,11,14,17-pentaenoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
methyl (5E,8E,11E,14E,17E)-icosa-5,8,11,14,17-pentaenoate
CAS number
1191-65-7
Molecular formula
C21H32O2
InChIKey
QWDCYFDDFPWISL-ZACMJQCDSA-N
InChI
InChI=1S/C21H32O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21(22)23-2/h4-5,7-8,10-11,13-14,16-17H,3,6,9,12,15,18-20H2,1-2H3/b5-4+,8-7+,11-10+,14-13+,17-16+
Canonical SMILES
CCC=CCC=CCC=CCC=CCC=CCCCC(=O)OC
Isomeric SMILES
CC/C=C/C/C=C/C/C=C/C/C=C/C/C=C/CCCC(=O)OC

Synonyms

  • Methyl eicosa-5,8,11,14,17-pentaenoate
  • (5Z,8Z,11Z,14Z,17Z)-Methyl icosa-5,8,11,14,17-pentaenoate
  • methyl (5E,8E,11E,14E,17E)-icosa-5,8,11,14,17-pentaenoate
  • Methyl all-cis-58111417-eicosapentaenoate

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
316.49 g/molcalc.
Exact mass
316.2402 Dacalc.
LogP (octanol/water)
6.08calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
13calc.
Heavy atoms
23calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.48calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

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.

Npc288166 suppliers

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Npc288166 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 Npc288166 is traded under.

HS 2916.19Indicative HS code

Unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides…

World exports in 2024
$674M
−9.6% vs 2023, imports $722M
2019 to 2024
Top exporters
  1. China44.5%
  2. Germany15.3%
  3. India * partner reported11.5%
Top importers
  1. United States17.1%
  2. Netherlands7.8%
  3. South Korea7.0%

* Partner reported figures, a lower bound.

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

The HS code shown for Npc288166 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Npc288166, based on the data on this page

What is Npc288166?

Npc288166 is a chemical substance with the molecular formula C21H32O2 and a molar mass of 316.49 g/mol. Its CAS registry number is 1191-65-7. The IUPAC name is methyl (5E,8E,11E,14E,17E)-icosa-5,8,11,14,17-pentaenoate.

What is the CAS number of Npc288166?

The CAS registry number of Npc288166 is 1191-65-7.

What is the molecular formula and weight of Npc288166?

The molecular formula of Npc288166 is C21H32O2 and its molar mass is 316.49 g/mol.

What is Npc288166 used for?

Known uses and roles of Npc288166 include building blocks in research and laboratory.

Is Npc288166 hazardous?

No GHS hazard classification for Npc288166 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 Npc288166?

Npc288166 is usually classified under HS code 291619 (Unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Npc288166?

Post a free request on CompoundList and suppliers of Npc288166 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Npc288166?

Suppliers quote Npc288166 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 Npc288166

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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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