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R4500

Sigma-Aldrich

(−)-Riboflavin

from Eremothecium ashbyii, ≥98%

Synonym(s):
Lactoflavin, Vitamin B2, Vitamin G
Empirical Formula (Hill Notation):
C17H20N4O6
CAS Number:
Molecular Weight:
376.36
Beilstein:
97825
EC Number:
MDL number:
eCl@ss:
34058005
PubChem Substance ID:
NACRES:
NA.79

biological source

Eremothecium ashbyii

Quality Level

Assay

≥98%

form

powder

color

yellow to orange

mp

290 °C (dec.) (lit.)

storage temp.

room temp

SMILES string

CC1=C(C)C=C(N(C[C@H](O)[C@@H]([C@H](O)CO)O)C(C2=N3)=NC(NC2=O)=O)C3=C1

InChI

1S/C17H20N4O6/c1-7-3-9-10(4-8(7)2)21(5-11(23)14(25)12(24)6-22)15-13(18-9)16(26)20-17(27)19-15/h3-4,11-12,14,22-25H,5-6H2,1-2H3,(H,20,26,27)/t11-,12+,14-/m0/s1

InChI key

AUNGANRZJHBGPY-SCRDCRAPSA-N

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This Item
R9504R7649V-067
(−)-Riboflavin from Eremothecium ashbyii, ≥98%

Sigma-Aldrich

R4500

(−)-Riboflavin

(−)-Riboflavin BioReagent, suitable for cell culture, suitable for insect cell culture, ≥98%

Sigma-Aldrich

R9504

(−)-Riboflavin

(−)-Riboflavin meets USP testing specifications

Sigma-Aldrich

R7649

(−)-Riboflavin

(−)-Riboflavin 100 μg/mL (1% ammonium acetate in 50:50 methanol:water), certified reference material, ampule of 1 mL, Cerilliant®

Supelco

V-067

(−)-Riboflavin

biological source

Eremothecium ashbyii

biological source

Eremothecium ashbyii

biological source

-

biological source

-

assay

≥98%

assay

≥98%

assay

98.0-102.0% dry basis

assay

-

form

powder

form

powder

form

powder

form

liquid

color

yellow to orange

color

yellow to orange

color

dark yellow

color

-

mp

290 °C (dec.) (lit.)

mp

290 °C (dec.) (lit.)

mp

290 °C (dec.) (lit.)

mp

290 °C (dec.)

storage temp.

room temp

storage temp.

room temp

storage temp.

-

storage temp.

−20°C

General description

Riboflavin belongs to the vitamin-B family and contains a pentose side chain ribitol.

Application

Riboflavin has been used:
  • to check the role of riboflavin diet in rats
  • as a supplement in HECM-6 medium (hamster embryo culture medium)
  • as a supplement in the bacterial basal media

Biochem/physiol Actions

Riboflavin is a key component of the redox cofactors flavin adenine dinucleotide (FAD) and flavin mononucleotide (FMN) that are used by a wide variety of flavoprotein oxidoreductases, dehydrogenase(s), decarboxylase(s) and electron transporters. Riboflavin is involved in various cellular processes, including β oxidation in lipid metabolism, glucose metabolism, protection from cellular oxidative injury, DNA and RNA metabolism, gluconeogenesis, erythropoiesis and generation of corticosteroids. Riboflavin deficiency causes ariboflavinosis with symptoms such as sore throat, hyperemia, edema of oral and mucous membranes, cheilosis and glossitis.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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