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T4500

Sigma-Aldrich

Theobromine

≥98.0%

Synonym(s):

2,6-Dihydroxy-3,7-dimethylpurine, 3,7-Dihydro-3,7-dimethyl-1H-purine-2,6-dione, 3,7-Dimethylxanthine

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About This Item

Empirical Formula (Hill Notation):
C7H8N4O2
CAS Number:
83-67-0
Molecular Weight:
180.16
Beilstein/REAXYS Number:
16464
EC Number:
201-494-2
MDL number:
MFCD00022830
UNSPSC Code:
41106305
PubChem Substance ID:
24277679
NACRES:
NA.77

assay

≥98.0%

mp

345-350 °C

solubility

H2O: slightly soluble
aqueous base: moderately soluble
ethanol: slightly soluble

SMILES string

[H]N1C(N(C)C2=C(N(C)C=N2)C1=O)=O

InChI

1S/C7H8N4O2/c1-10-3-8-5-4(10)6(12)9-7(13)11(5)2/h3H,1-2H3,(H,9,12,13)

InChI key

YAPQBXQYLJRXSA-UHFFFAOYSA-N

Gene Information

human ... ADORA1(134) , ADORA2A(135) , ADORA2B(136) , ADORA3(140)
rat ... Adora1(29290)

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General description

Theobromine is a methylxanthine alkaloid derivative, highly present in cocoa.

Application

Theobromine has been used:
  • to test in behavioural assay
  • as a food or dietary supplement
  • as a standard for theobromine quantification in brewed coffee samples

Biochem/physiol Actions

Theobromine possesses antitussive action and might be useful in treating acute and chronic cough. It is a catabolic product of caffeine and shows antioxidant and prooxidant properties.
Phosphosdiesterase inhibitor; weak adenosine receptor antagonist; diuretic; smooth muscle relaxant.

Features and Benefits

This compound is a featured product for Cyclic Nucleotide research. Click here to discover more featured Cyclic Nucleotide products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.

Preparation Note

Theobromine is moderately soluble in aqueous base and is slightly soluble in water and ethanol.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302,H319

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Antioxidant and prooxidant properties of caffeine, theobromine and xanthine
Azam S, et al.
Medical Science Monitor : International Medical Journal of Experimental and Clinical Research, 9(9), BR325-BR330 (2004)
A subset of enteroendocrine cells is activated by amino acids in the Drosophila midgut
Park JH, et al.
Febs Letters (2006)
Development of a chromatographic low pressure flow injection system: Application to the analysis of methylxanthines in coffee
Santos JR and Antonio OSS Rangel
Analytica Chimica Acta, 715(17), 57-63 (2012)
Murat Iskar et al.
Molecular systems biology, 9, 662-662 (2013-05-02)
In pharmacology, it is crucial to understand the complex biological responses that drugs elicit in the human organism and how well they can be inferred from model organisms. We therefore identified a large set of drug-induced transcriptional modules from genome-wide
Behavioral Analysis of Bitter Taste Perception in Drosophila Larvae
Kim H, et al.
Chemical Senses, 41(1), 85-94 (2016)
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