Overview

Stats

Type
16
Carbons
1
Double bonds
0
Bis-allylic sites
254.41
Weight · g/mol
-0.1 °C
Melting point
C16H30O2
Formula

Also known as

IUPAC (Z)-hexadec-9-enoic acid
Synonyms

  At a Glance

Key Points

An omega-7 fatty acid; a rare fat component, found in highest concentration in the liver.

Source

Primarily from fish & seafood and plants; also in dairy. Also made by the body.

Type

Long-chain monounsaturated fatty acid with 16 carbons and one cis double bond, an omega-7 fatty acid.

Identification

  Synonyms

Common Name Palmitoleic acid
IUPAC Name (Z)-hexadec-9-enoic acid
Traditional Name
Other Synonyms
  • (9Z)-hexadecenoic acid
  • (Z)-9-hexadecenoic acid
  • 9-cis-hexadecenoic acid
  • cis-9-Hexadecenoic acid
  • zoomaric acid

  External IDs

General References
Lipids
Lipid Maps LMFA01030056
Lipid Bank DFA0095
Swiss Lipids 000000411
PlantFA ID
Food & Nutrition
FooDB FDB031085
INFOODS
Chemistry / Compounds
PubChem CID 445638
ChEBI 28716
ChemSpider 393216
InChIKey
NIKKAJI ID J12.503B
PDBe PAM
UCI (UniChem)
SureChEMBL 33310
CCDC
NMRShiftDB 60018902
Metabolites & Pathways
METLIN 188
RefMet ID
RefMet Name
MetaboLights ID MTBLS1033
BioCyc/MetaCyc
MetaNetX ID MNXM162245
BiGG ID 246167
KEGG C08362
Reactome ID
Drugs & Pharmacology
DrugBank DB04257
DrugCentral
BindingDB 50269531
Guide to Pharm 5547
Probes & Drugs PD019634
Clinical & Medical
SNOMED-CT
MeSH C008757
NCIt Code C68408
Regulatory
NIH UNII (USA) 209B6YPZ4I
FDA SRS (USA) 209B6YPZ4I
NHPID (Canada)
DTXSID (USA) DTXSID0041197
TGA Ing ID (Australia)
Commercial Suppliers
eMolecules 530342
Mcule
ChemicalBook CB1384985
MedChemExpress HY-W011873

Isomers of 16:1 (4)

Other fatty acids sharing the 16:1 notation — differing by double-bond position, geometry (cis/trans), or conjugation.

Name Geometry Trans Structure PubChem
Current Fatty Acid
Palmitoleic acid
(Z)-hexadec-9-enoic acid
9Z
445638
Category
Conjugation Type
SMILES CCCCCC\C=C/CCCCCCCC(=O)O
Description
Origin Details

No origin information recorded.

Geometric (1)
Palmitelaidic acid
(9E)-hexadec-9-enoic acid
9E Trans
5282745
Category
Conjugation Type
SMILES CCCCCC\C=C\CCCCCCCC(=O)O
Description
Origin Details

No origin information recorded.

Positional (2)
Hypogeic acid
(Z)-hexadec-7-enoic acid
7Z
5318393
Category
Conjugation Type
SMILES CCCCCCCC\C=C/CCCCCC(=O)O
Description
Origin Details

No origin information recorded.

Sapienic acid
(Z)-hexadec-6-enoic acid
6Z
5312419
Category
Conjugation Type
SMILES CCCCCCCCC/C=C\CCCCC(=O)O
Description
Origin Details

No origin information recorded.

Chemical Properties

Name(s):
Common Name Palmitoleic acid
Simple Notation 16:1
Notation 16:1(n-7)
IUPAC Name (Z)-hexadec-9-enoic acid
Structure:
Molecular C16H30O2
Structure CH3(CH2)5CH=CH(CH2)7COOH
SMILES CCCCCC\C=C/CCCCCCCC(=O)O
Cis / Trans cis
E-Z 9Z
Physical:
Weight 254.41 g/mol
Melting Point -0.1 °C
Reactivity
Double Bonds 1
Bis-Allylic Carbons 0
Beta-Oxidation
Beta Oxidation Cycles 7
ATP Yield (Net) 104.5 ATP