Riboflavin-4'-Phosphate Sodium

About Riboflavin-4'-Phosphate Sodium

Riboflavin-4'-Phosphate Sodium is an impurity of Riboflavin carrying the CAS registry number 494789-91-2. Formula C17H20N4NaO9P, molecular weight 478.3 g/mol. It is also known as Fmn 4'-phosphate sodium.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Riboflavin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Riboflavin-4'-Phosphate Sodium in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Riboflavin

View every impurity, metabolite and intermediate we list for Riboflavin.

Riboflavin impurities

Specifications & identifiers

Chemical identifiers
Product name	Riboflavin-4'-Phosphate Sodium
Catalogue No.	VQ-042921
CAS Number	494789-91-2
IUPAC name	sodium [(2R,3S,4S)-5-(7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10-yl)-1,3,4-trihydroxypentan-2-yl] hydrogen phosphate
Molecular formula	C₁₇H₂₀N₄NaO₉P
Molecular weight	478.3 g/mol
Exact mass	478.0866
Grade	Reference Standard
HSN code	38229090
InChIKey	IULMYUREEFMMAA-BMZHGHOISA-M
SMILES	CC1=CC2=C(C=C1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](CO)OP(=O)(O)[O-])O)O.[Na+]
PubChem CID	155884432

Physical properties
Physical form	Solid
H-bond donors / acceptors	5 / 10
TPSA	204 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Riboflavin-4'-Phosphate Sodium?

The CAS Registry Number of Riboflavin-4'-Phosphate Sodium is 494789-91-2. It is also known as Fmn 4'-phosphate sodium, Riboflavin 4'-(dihydrogen phosphate), monosodium salt.

What is the molecular formula and molecular weight of Riboflavin-4'-Phosphate Sodium?

Riboflavin-4'-Phosphate Sodium has the molecular formula C17H20N4NaO9P and a molecular weight of 478.3 g/mol. Its IUPAC name is sodium [(2R,3S,4S)-5-(7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10-yl)-1,3,4-trihydroxypentan-2-yl] hydrogen phosphate.

What is Riboflavin-4'-Phosphate Sodium used for?

Riboflavin-4'-Phosphate Sodium is supplied as a characterised reference material related to Riboflavin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Riboflavin-4'-Phosphate Sodium can I order?

We supply Riboflavin-4'-Phosphate Sodium in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Riboflavin-4'-Phosphate Sodium?

Yes. Every lot of Riboflavin-4'-Phosphate Sodium is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Riboflavin-4'-Phosphate Sodium be shipped internationally?

Yes. We export Riboflavin-4'-Phosphate Sodium worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.