Isocaffeine

Modify Date: 2025-08-25 20:01:56

Isocaffeine Structure
Isocaffeine structure
Common Name Isocaffeine
CAS Number 519-32-4 Molecular Weight 194.191
Density 1.5±0.1 g/cm3 Boiling Point 416.8±37.0 °C at 760 mmHg
Molecular Formula C8H10N4O2 Melting Point 288-290ºC (dec.)
MSDS Chinese USA Flash Point 205.9±26.5 °C

 Names

Name 1,3,9-trimethylpurine-2,6-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 416.8±37.0 °C at 760 mmHg
Melting Point 288-290ºC (dec.)
Molecular Formula C8H10N4O2
Molecular Weight 194.191
Flash Point 205.9±26.5 °C
Exact Mass 194.080383
PSA 61.82000
LogP -0.13
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.679
InChIKey LPHGQDQBBGAPDZ-UHFFFAOYSA-N
SMILES Cn1c(=O)c2ncn(C)c2n(C)c1=O
Storage condition Room temp
Water Solubility H2O: >20mg/mL

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2933990090

 Synthetic Route

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles3

More Articles
Inhibition of inositol trisphosphate-induced calcium release by caffeine is prevented by ATP.

Biochem. J. 300 , 81-84, (1994)

We have investigated the effect of various methylxanthines on the basal and InsP3-stimulated unidirectional 45Ca2+ efflux from permeabilized A7r5 cells under different experimental conditions. We repo...

Determination of caffeine and its metabolites in urine by high-performance liquid chromatography and capillary electrophoresis.

Scand. J. Clin. Lab. Invest. 54 , 305-315, (1994)

Caffeine (CA) and its 14 main metabolites were determined in urine by reversed-phase high-performance liquid chromatography (RP-HPLC) and capillary electrophoresis (CE). After addition of 1,3,9-trimet...

Computational study of the binding modes of caffeine to the adenosine A2A receptor.

J. Phys. Chem. B 115(47) , 13880-90, (2011)

Using the recently solved crystal structure of the human adenosine A(2A) receptor, we applied MM/PBSA to compare the binding modes of caffeine with those of the high-affinity selective antagonist ZM24...

 IsocaffeineBioassay

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Name: Luminescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: mu-type opioid receptor isoform MOR-1 [Homo sapiens]
External Id: OPRM1-OPRD1_AG_LUMI_1536_1X%ACT PRUN
Name: QFRET-based biochemical primary high throughput screening assay to identify exosite i...
Source: The Scripps Research Institute Molecular Screening Center
Target: disintegrin and metalloproteinase domain-containing protein 17 preproprotein [Homo sapiens]
External Id: ADAM17_INH_QFRET_1536_1X%INH PRUN
Name: Fluorescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_AG_FLUO8_1536_1X%ACT PRUN
Name: Fluorescence polarization to screen for inhibitor that competite the binding of FadD2...
Source: Broad Institute
Target: FATTY-ACID-CoA LIGASE FADD28 (FATTY-ACID-CoA SYNTHETASE)
External Id: 2147-01_Inhibitor_SinglePoint_HTS_Activity
Name: Bursicon-induced LGR2 mediated cAMP production in LGR-2/CRE6x-Luciferase co-transfect...
Source: Broad Institute
Target: N/A
External Id: Bursicon-induced LGR2 mediated cAMP production in LGR-2/CRE6x-Luciferase co-transfected HEK293 cells Inhibition - 7011-01_Antagonist_SinglePoint_HTS_Activity
Name: Primary Screen Inhibitors of CD40 Signaling in BL2 Cells Measured in Cell-Based Syste...
Source: Broad Institute
Target: N/A
External Id: 7124-01_Inhibitor_SinglePoint_HTS_Activity
Name: Fluorescence-based cell-based primary high throughput screening assay to identify pos...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_PAM_FLUO8_1536_1X%ACT PRUN
Name: Fluorescence polarization-based biochemical high throughput primary assay to identify...
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=Sialate O-acetylesterase; AltName: Full=H-Lse; AltName: Full=Sialic acid-specific 9-O-acetylesterase; Flags: Precursor [Homo sapiens]
External Id: SIAE_INH_FP_1536_1X%INH PRUN
Name: uHTS identification of small molecule modulators of NR3A
Source: Burnham Center for Chemical Genomics
Target: N/A
External Id: SBCCG-A1015-NR3A-Primary-Assay
Name: uHTS identification of small molecule modulators of Rev-erb Alpha.
Source: Burnham Center for Chemical Genomics
Target: N/A
External Id: SBCCG-A1016-RevErbaLBD-Primary-Assay
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 Synonyms

1,3,9-Trimethylxanthine
MFCD00022834
Isocaffeine
1,3,9-Trimethyl-3,9-dihydro-1H-purine-2,6-dione
1,3,9-trimethyl-3,9-dihydro-purine-2,6-dione
1,9-Trimethylxanthine
1,3,9-Trimethyl-3,9-dihydro-purin-2,6-dion
EINECS 208-267-7
2,6-Dihydroxy-1,3,9-trimethylpurine
ISOCAFFIENE
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