7,8-Dimethylalloxazine ≥98%, crystalline solid

Supplier: Cayman Chemical

Synonyms: Lumichrome, 7,8-Dimethylbenzo[g]pteridine-2,4(1H,3H)-dione

20730-1 20730-100 20730-250 20730-500
CAYM20730-1EA 201 GBP
CAYM20730-1 CAYM20730-100 CAYM20730-250 CAYM20730-500
7,8-Dimethylalloxazine ≥98%, crystalline solid
7,8-Dimethylalloxazine

Lumichrome is a natural metabolite of riboflavin. It can be made by photolysis of riboflavin or it can be produced enzymatically in certain microbes and plants.


Lumichrome produced by Rhizobium and other bacterial species induces major developmental changes in plants at nanomolar concentrations. Lumichrome can stimulate larval metamorphosis in ascidians and activate the LasR quorum sensing receptor of bacteria. Lumichrome competitively inhibits the uptake of riboflavin by riboflavin transporters from prokaryotes and eukaryotes.


Lumichrome is sparingly soluble in methanol.


Synonym: NSC 96911; 7,8-dimethylbenzo[g]pteridine-2,4(1H,3H)dione

Formula: C₁₂H₁₀N₄O₂
MW: 242,24 g/mol
Storage Temperature: Freezer
MDL Number: MFCD00005021
CAS Number: 1086-80-2
EINECS: 214-120-8

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Specification Test Results

Purity ≥98%
λmax 219, 248, 335, 384 nm

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