| Flavin mononucleotide (FMN), or riboflavin-5'-phosphate, is a biomolecule produced from riboflavin (vitamin B2) by the enzyme riboflavin kinase and functions as prosthetic group of various oxidoreductases including NADH dehydrogenase as well as cofactor in biological blue-light photo receptors. During the catalytic cycle, a reversible interconversion of the oxidized (FMN), semiquinone (FMNH) and reduced (FMNH2) forms occurs in the various oxidoreductases. FMN is a stronger oxidizing agent than NAD and is particularly useful because it can take part in both one- and two-electron transfers. In its role as blue-light photo receptor, (oxidized) FMN stands out from the conventional photo receptors as the signaling state and not an E/Z isomerization. It is the principal form in which riboflavin is found in cells and tissues. It requires more energy to produce, but is more soluble than riboflavin. Synonyms: Flavin mononucleotide disodium salt, FMN, 7,8-Dimethyl-10-ribitylisoalloxazine Phosphate Sodium, 5-(Dihydrogen Phosphate)riboflavin Sodium, Riboflavine 5-Phosphate Sodium, Riboflavin Mononucleotide Sodium, Riboflavine Monophosphate Sodium, Riboflavine Phosphate Sodium, Vitamin B2 Phosphate Sodium CAS No: 130-40-5 Free Acid: 146-17-8 Molecular Formula: C17H21N4O9PNa Molecular Weight: 478.33 Purity: 98% Appearance: Yellow or orange-yellow crystalline hygrosopic powder Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at -20C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. |
