Relevant Data

Food Additives Approved in the United States

Flavouring Substances Approved by European Union:

  • Isopentyl isobutyrate [show]

General Information

Synonyms: ISOAMYL 2-METHYLPROPANOATE
Chemical Names: 3-METHYLBUTYL 2-METHYLPROPANOATE
CAS number: 2050-01-3
COE number: 294
JECFA number: 49
FEMA number: 3507
Functional Class: Flavouring Agent
FLAVOURING_AGENT

From apps.who.int


Evaluations

Evaluation year: 1996
ADI: No safety concern at current levels of intake when used as a flavouring agent
Meeting: 46/49
Specs Code: S (1997)
Report: TRS 868-JECFA 46/23
Tox Monograph: See TRS 868-JECFA 46/68
Specification: COMPENDIUM ADDENDUM 5/FNP 52 Add.5/208 (1997)

From apps.who.int


Computed Descriptors

Download SDF
2D Structure
CID519786
IUPAC Name3-methylbutyl 2-methylpropanoate
InChIInChI=1S/C9H18O2/c1-7(2)5-6-11-9(10)8(3)4/h7-8H,5-6H2,1-4H3
InChI KeyVFTGLSWXJMRZNB-UHFFFAOYSA-N
Canonical SMILESCC(C)CCOC(=O)C(C)C
Molecular FormulaC9H18O2
Wikipediaisoamyl isobutyrate

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight158.241
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count5
Complexity117.0
CACTVS Substructure Key Fingerprint A A A D c e B w M A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A G g A A A A A A D Q C g g A I C C A A A B A A I A A C Q C A A A A A A A A A A A A A E A A A A A A A A A A A A C A A A E A A A A A A A A A A A I A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A = =
Topological Polar Surface Area26.3
Monoisotopic Mass158.131
Exact Mass158.131
XLogP3None
XLogP3-AA2.8
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count11
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Isotope Atom Count0
Covalently-Bonded Unit Count1

From Pubchem


ADMET Predicted Profile --- Classification

Model Result Probability
Absorption
Blood-Brain BarrierBBB+0.9889
Human Intestinal AbsorptionHIA+0.9854
Caco-2 PermeabilityCaco2+0.7460
P-glycoprotein SubstrateNon-substrate0.7544
P-glycoprotein InhibitorNon-inhibitor0.9166
Non-inhibitor0.9131
Renal Organic Cation TransporterNon-inhibitor0.8745
Distribution
Subcellular localizationMitochondria0.7057
Metabolism
CYP450 2C9 SubstrateNon-substrate0.8269
CYP450 2D6 SubstrateNon-substrate0.8833
CYP450 3A4 SubstrateNon-substrate0.5363
CYP450 1A2 InhibitorNon-inhibitor0.7497
CYP450 2C9 InhibitorNon-inhibitor0.9331
CYP450 2D6 InhibitorNon-inhibitor0.9600
CYP450 2C19 InhibitorNon-inhibitor0.9397
CYP450 3A4 InhibitorNon-inhibitor0.9784
CYP Inhibitory PromiscuityLow CYP Inhibitory Promiscuity0.9400
Excretion
Toxicity
Human Ether-a-go-go-Related Gene InhibitionWeak inhibitor0.9659
Non-inhibitor0.9312
AMES ToxicityNon AMES toxic0.9162
CarcinogensCarcinogens 0.6132
Fish ToxicityHigh FHMT0.6393
Tetrahymena Pyriformis ToxicityHigh TPT0.6472
Honey Bee ToxicityHigh HBT0.7870
BiodegradationReady biodegradable0.9179
Acute Oral ToxicityIII0.5591
Carcinogenicity (Three-class)Non-required0.5636

From admetSAR


ADMET Predicted Profile --- Regression

Model Value Unit
Absorption
Aqueous solubility-1.8922LogS
Caco-2 Permeability1.4496LogPapp, cm/s
Distribution
Metabolism
Excretion
Toxicity
Rat Acute Toxicity1.2866LD50, mol/kg
Fish Toxicity1.2432pLC50, mg/L
Tetrahymena Pyriformis Toxicity-0.2260pIGC50, ug/L

From admetSAR


Taxonomic Classification

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassCarboxylic acid derivatives
Intermediate Tree NodesNot available
Direct ParentCarboxylic acid esters
Alternative Parents
Molecular FrameworkAliphatic acyclic compounds
SubstituentsCarboxylic acid ester - Monocarboxylic acid or derivatives - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as carboxylic acid esters. These are carboxylic acid derivatives in which the carbon atom from the carbonyl group is attached to an alkyl or an aryl moiety through an oxygen atom (forming an ester group).

From ClassyFire