Relevant Data

Food Additives Approved in the United States

Flavouring Substances Approved by European Union:

  • 5,7-Dihydro-2-methylthieno(3,4-d)pyrimidine [show]

General Information

Chemical Names: 5,7-DIHYDRO-2-METHYLTHIENO(3,4-d)PYRIMIDINE
CAS number: 36267-71-7
COE number: 14014
JECFA number: 1566
FEMA number: 3338
Functional Class: Flavouring Agent
FLAVOURING_AGENT

From apps.who.int


Evaluations

Evaluation year: 2005
ADI: No safety concern at current levels of intake when used as a flavouring agent
Report: TRS 934-JECFA 65/64
Tox Monograph: FAS 56-JECFA 65
Specification: COMPENDIUM ADDENDUM 13/FNP 52 Add. 13/64

From apps.who.int


Computed Descriptors

Download SDF
2D Structure
CID61951
IUPAC Name2-methyl-5,7-dihydrothieno[3,4-d]pyrimidine
InChIInChI=1S/C7H8N2S/c1-5-8-2-6-3-10-4-7(6)9-5/h2H,3-4H2,1H3
InChI KeyXSUYIZJJKIKWFN-UHFFFAOYSA-N
Canonical SMILESCC1=NC=C2CSCC2=N1
Molecular FormulaC7H8N2S
Wikipedia5,7-dihydro-2-methylthieno(3,4-D)pyrimidine

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight152.215
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Complexity129.0
CACTVS Substructure Key Fingerprint A A A D c c B j A A B A A A A A A A A A A A A A A A A A A S A A A A A s A A A A A A A A A F g B g A A A H A Q A A A A A D A j F X w S v k J Y I E A i g A x Z n Z A C A g C k x A L A B W C A 4 R B i A K I B g y c A E B A h I A A L g Q C 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 Area51.1
Monoisotopic Mass152.041
Exact Mass152.041
XLogP3None
XLogP3-AA0.7
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count10
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+0.9881
Human Intestinal AbsorptionHIA+1.0000
Caco-2 PermeabilityCaco2-0.5217
P-glycoprotein SubstrateSubstrate0.5524
P-glycoprotein InhibitorNon-inhibitor0.9302
Non-inhibitor0.9815
Renal Organic Cation TransporterNon-inhibitor0.5814
Distribution
Subcellular localizationLysosome0.4830
Metabolism
CYP450 2C9 SubstrateNon-substrate0.7901
CYP450 2D6 SubstrateNon-substrate0.7831
CYP450 3A4 SubstrateNon-substrate0.6798
CYP450 1A2 InhibitorInhibitor0.8643
CYP450 2C9 InhibitorNon-inhibitor0.7958
CYP450 2D6 InhibitorNon-inhibitor0.8224
CYP450 2C19 InhibitorNon-inhibitor0.6835
CYP450 3A4 InhibitorNon-inhibitor0.8174
CYP Inhibitory PromiscuityLow CYP Inhibitory Promiscuity0.6931
Excretion
Toxicity
Human Ether-a-go-go-Related Gene InhibitionWeak inhibitor0.9502
Non-inhibitor0.8824
AMES ToxicityNon AMES toxic0.6152
CarcinogensNon-carcinogens0.9534
Fish ToxicityLow FHMT0.8514
Tetrahymena Pyriformis ToxicityHigh TPT0.5397
Honey Bee ToxicityLow HBT0.6812
BiodegradationNot ready biodegradable0.9598
Acute Oral ToxicityIII0.6622
Carcinogenicity (Three-class)Non-required0.6851

From admetSAR


ADMET Predicted Profile --- Regression

Model Value Unit
Absorption
Aqueous solubility-0.8327LogS
Caco-2 Permeability1.1481LogPapp, cm/s
Distribution
Metabolism
Excretion
Toxicity
Rat Acute Toxicity2.3786LD50, mol/kg
Fish Toxicity2.1213pLC50, mg/L
Tetrahymena Pyriformis Toxicity0.5743pIGC50, ug/L

From admetSAR


Taxonomic Classification

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassThienopyrimidines
SubclassNot available
Intermediate Tree NodesNot available
Direct ParentThienopyrimidines
Alternative Parents
Molecular FrameworkAromatic heteropolycyclic compounds
SubstituentsThienopyrimidine - Pyrimidine - Heteroaromatic compound - Azacycle - Dialkylthioether - Thioether - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as thienopyrimidines. These are heterocyclic compounds containing a thiophene ring fused to a pyrimidine ring. Thiophene is 5-membered ring consisting of four carbon atoms and one sulfur atom. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions.

From ClassyFire