API reference

Riboflavin

CAS number
83-88-5
Molecular formula
C17H20N4O6
Molecular weight
376.4 g/mol
Riboflavin — 2D structure
2D structure (PubChem)

About this molecule

Riboflavin (also known as vitamin B2) is one of the B vitamins, which are all water soluble. Riboflavin is naturally present in some foods, added to some food products, and available as a dietary supplement. This vitamin is an essential component of two major coenzymes, flavin mononucleotide (FMN; also known as riboflavin-5'-phosphate) and flavin adenine dinucleotide (FAD). These coenzymes play major roles in energy production; cellular function, growth, and development; and metabolism of fats, drugs, and steroids . The conversion of the amino acid tryptophan to niacin (sometimes referred to as vitamin B3) requires FAD . Similarly, the conversion of vitamin B6 to the coenzyme pyridoxal 5'-phosphate needs FMN. In addition, riboflavin helps maintain normal levels of homocysteine, an amino acid in the blood .

Source: NIH Dietary Supplement Fact Sheets, via PubChem.

Identifiers

IUPAC name
7,8-dimethyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4-dione
InChIKey
AUNGANRZJHBGPY-SCRDCRAPSA-N
SMILES
CC1=CC2=C(C=C1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](CO)O)O)O
PubChem CID
493570

Also known as

riboflavin · vitamin B2 · Riboflavine · Lactoflavin · Vitamin G · Lactoflavine · Flavaxin · Beflavine

Chemical data on this page is drawn from PubChem (National Library of Medicine) and is provided for identification only. Hanpars does not hold stock of every substance listed; availability, grade, documentation and regulatory status are confirmed per enquiry.

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