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Vitamins and nutraceutical actives

Flavin mononucleotide

Also known as Vitamin B2 phosphate, Riboflavin 5'-phosphate, Riboflavin 5'-monophosphate

CAS 146-17-8Formula C17H21N4O9PMolar mass 456.35 g/molEC 205-664-7
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Flavin mononucleotide chemical structure, C17H21N4O9P, CAS 146-17-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
146-17-8
Formula
C17H21N4O9P
Molar mass
456.35 g/mol
EC number
205-664-7
HS code
293980
Category
Vitamins and nutraceutical actives

What is Flavin mononucleotide?

Plain description, key identifiers and synonyms

FMN is a flavin mononucleotide that is riboflavin (vitamin B2) in which the primary hydroxy group has been converted to its dihydrogen phosphate ester. It has a role as a coenzyme, a cofactor, a mouse metabolite, a bacterial metabolite and a human metabolite. It is a vitamin B2 and a flavin mononucleotide. It is a conjugate acid of a FMN(3-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(2R,3S,4S)-5-(7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10-yl)-2,3,4-trihydroxypentyl] dihydrogen phosphate
CAS number
146-17-8 CAS number cross-checked
EC number
205-664-7
Molecular formula
C17H21N4O9P
UNII
7N464URE7E
InChIKey
FVTCRASFADXXNN-SCRDCRAPSA-N
InChI
InChI=1S/C17H21N4O9P/c1-7-3-9-10(4-8(7)2)21(15-13(18-9)16(25)20-17(26)19-15)5-11(22)14(24)12(23)6-30-31(27,28)29/h3-4,11-12,14,22-24H,5-6H2,1-2H3,(H,20,25,26)(H2,27,28,29)/t11-,12+,14-/m0/s1
Canonical SMILES
Cc1cc2nc3c(=O)[nH]c(=O)nc-3n(CC(O)C(O)C(O)COP(=O)(O)O)c2cc1C
Isomeric SMILES
CC1=CC2=C(C=C1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](COP(=O)(O)O)O)O)O

Synonyms

  • Vitamin B2 phosphate
  • Riboflavin 5'-phosphate
  • Riboflavin 5'-monophosphate
  • Riboflavin 5'-(dihydrogen phosphate)
  • Riboflavine dihydrogen phosphate
  • FMN
  • [(2R,3S,4S)-5-(7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10-yl)-2,3,4-trihydroxypentyl] dihydrogen phosphate
  • {[(2R,3S,4S)-5-{7,8-dimethyl-2,4-dioxo-2H,3H,4H,10H-benzo[g]pteridin-10-yl}-2,3,4-trihydroxypentyl]oxy}phosphonic acid
  • (((2R,3S,4S)-5-(7,8-dimethyl-2,4-dioxo-2H,3H,4H,10H-benzo(g)pteridin-10-yl)-2,3,4-trihydroxypentyl)oxy)phosphonic acid
  • ((2R,3S,4S)-5-(7,8-dimethyl-2,4-dioxobenzo(g)pteridin-10-yl)-2,3,4-trihydroxypentyl) dihydrogen phosphate
  • Riboflavin, 5'-(dihydrogen phosphate)
  • Mononucleotide, Flavin
  • Mononucleotide, Riboflavin
  • 5'-Phosphate, Riboflavin
  • Riboflavin 5' Monophosphate
  • 5'-Monophosphate, Riboflavin
  • Riboflavine phosphate
  • Riboflavin phosphate
  • Flanin
  • Flavol
  • Flavine mononucleotide
  • Riboflavin mononucleotide
  • Riboflavine monophosphate
  • Riboflavine 5'-monophosphate
  • Riboflavin-5-phosphate
Show all 38 synonyms
  • Riboflavine 5'-phosphate
  • Riboflavine-5'-phosphate
  • Vitamin B2 (riboflavin-5-phosphate)
  • 1-deoxy-1-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-5-O-phosphono-D-ribitol
  • (2R,3S,4S)-5-(7,8-Dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-2,3,4-trihydroxypentyl dihydrogen phosphate
  • 1akq
  • 1akr
  • 1akt
  • 1akw
  • 1azl
  • 1czk
  • 1czl
  • 1czr

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
456.35 g/molcalc.
Exact mass
456.1046 Dacalc.
LogP (octanol/water)
-1.61calc.
Topological polar surface area
208.1 Ųcalc.
Hydrogen bond donors
6calc.
Hydrogen bond acceptors
9calc.
Rotatable bonds
7calc.
Heavy atoms
31calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.41calc.
Formal charge
0calc.
Stereocentres
3calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=c1nc2[nH]c3ccccc3nc-2c(=O)[nH]1

O=c1nc2[nH]c3ccccc3nc-2c(=O)[nH]1

3 rings, 16 atoms, the Alloxazine ring system.

245 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Flavin mononucleotide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 44 suppliers
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Where suppliers are based

44 suppliers in 11 countries

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Flavin mononucleotide price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Vitamin B Complex

Roles

  • animal metabolite
  • bacterial metabolite
  • coenzyme
  • cofactor
  • eukaryotic metabolite
  • human metabolite
  • mammalian metabolite
  • metabolite
  • mouse metabolite
  • ophthalmology drug
  • pharmaceutical
  • prokaryotic metabolite

Functional uses

  • Flavouring and nutrient

Pharmacology

Riboflavin 5'-phosphate is a Photoenhancer. The mechanism of action of riboflavin 5'-phosphate is as a Photoabsorption. The physiologic effect of riboflavin 5'-phosphate is by means of Photosensitizing Activity.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Flavin mononucleotide is traded under.

HS 2939.80Indicative HS code

Natural or reproduced by synthesis, and their salts, esters and other derivatives not elsewhere classified…

World exports in 2024
$49.3M
+13.2% vs 2023, imports $61.4M
2019 to 2024
Top exporters
  1. China31.7%
  2. India * partner reported23.1%
  3. South Africa7.8%
Top importers
  1. Austria28.6%
  2. United States11.9%
  3. United Kingdom7.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Flavin mononucleotide is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Flavin mononucleotide, based on the data on this page

What is Flavin mononucleotide?

FMN is a flavin mononucleotide that is riboflavin (vitamin B2) in which the primary hydroxy group has been converted to its dihydrogen phosphate ester. It has a role as a coenzyme, a cofactor, a mouse metabolite, a bacterial metabolite and a human metabolite. It is a vitamin B2 and a flavin mononucleotide.

What is the CAS number of Flavin mononucleotide?

The CAS registry number of Flavin mononucleotide is 146-17-8.

What is the molecular formula and weight of Flavin mononucleotide?

The molecular formula of Flavin mononucleotide is C17H21N4O9P and its molar mass is 456.35 g/mol.

What is Flavin mononucleotide used for?

Known uses and roles of Flavin mononucleotide include vitamins and supplements in pharmaceuticals, vitamins, minerals and nutrients in food and beverage, feed vitamins in animal feed and nutrition, animal metabolite, bacterial metabolite and 12 more.

Is Flavin mononucleotide hazardous?

No GHS hazard classification for Flavin mononucleotide is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Flavin mononucleotide?

Flavin mononucleotide is usually classified under HS code 293980 (Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Flavin mononucleotide?

CompoundList lists 44 suppliers of Flavin mononucleotide in United States, China, India, Germany and 7 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Flavin mononucleotide in India?

6 suppliers in India list Flavin mononucleotide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Flavin mononucleotide?

Suppliers quote Flavin mononucleotide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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