API reference
Riboflavin
- CAS number
- 83-88-5
- Molecular formula
- C17H20N4O6
- Molecular weight
- 376.4 g/mol

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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