Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Riboflavin sodium phosphate
RN: 130-40-5
UNII: 957E53WV42


  • A coenzyme for a number of oxidative enzymes including NADH DEHYDROGENASE. It is the principal form in which RIBOFLAVIN is found in cells and tissues.
  • Nutritional factor found in milk, eggs, malted barley, liver, kidney, heart, and leafy vegetables. The richest natural source is yeast. It occurs in the free form only in the retina of the eye, in whey, and in urine; its principal forms in tissues and cells are as FLAVIN MONONUCLEOTIDE and FLAVIN-ADENINE DINUCLEOTIDE.

Molecular Formulas

  • C17-H20-N4-Na-O9-P.2H2-O
  • C17-H21-N4-O9-P.Na

Molecular Weight

  • 478.328

Classification Code

  • Vitamin
* denotes mobile formatted website

Links to Resources

Search for this InChIKey on the Web

Names and Synonyms

Results Name

  • Riboflavin sodium phosphate

Name of Substance

  • Riboflavin 5'-phosphate sodium
  • Riboflavin monophosphate monosodium salt


  • EINECS 204-988-6
  • Photrexa
  • Photrexa Viscous In Dextran 20%
  • Riboflavin 5'-phosphate sodium anhydrous
  • Riboflavin 5-phosphate sodium
  • Riboflavin phosphate sodium
  • Riboflavin-5-phosphate sodium
  • Riboflavina 5 fosfato de sodio
  • UNII-957E53WV42

Systematic Names

  • Riboflavin 5'-(dihydrogen phosphate), monosodium salt
  • Riboflavin 5'-(dihydrogen phosphate), sodium salt (1:1)
  • Riboflavin 5'-(sodium hydrogen phosphate)

Superlist Names

  • Riboflavin-5'-phosphate sodium
  • Sodium riboflavin 5'-phosphate

Registry Numbers

CAS Registry Number

  • 130-40-5


  • 957E53WV42

Other Registry Numbers

  • 1336438-57-3
  • 214464-97-8

Related Registry Number

  • 146-17-8 (Parent)

System Generated Number

  • 0000130405

Molecular Formulas

Molecular Formulas

  • C17-H20-N4-Na-O9-P.2H2-O
  • C17-H21-N4-O9-P.Na

Molecular Formula Fragments

  • C17-H20-N4-Na-O9-P
  • C17-H21-N4-O9-P
  • H2-O
  • Na

Structure Descriptors