Riboflavin

Name: Riboflavin
Brand: Vaqora Chemicals
SKU: VQ-007712

About Riboflavin

Listed under CAS 83-88-5, Riboflavin is a high-purity reference standard of Riboflavin available from Vaqora Chemicals. With the molecular formula C17H20N4O6, it has a molar mass of 376.4 g/mol. The IUPAC name is 7,8-dimethyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4-dione. Common synonyms include (-)-Riboflavin and 7,8-Dimethyl-10-ribitylisoalloxazine.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

Laboratories use this Riboflavin standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. Stock is available for quick dispatch.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Riboflavin

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

Riboflavin impurities

Specifications & identifiers

Chemical identifiers
Product name	Riboflavin
Catalogue No.	VQ-007712
CAS Number	83-88-5
IUPAC name	7,8-dimethyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4-dione
Molecular formula	C₁₇H₂₀N₄O₆
Molecular weight	376.4 g/mol
Exact mass	376.1383
Grade	Reference Standard
HSN code	38229090
InChIKey	AUNGANRZJHBGPY-SCRDCRAPSA-N
SMILES	CC1=CC2=C(C=C1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](CO)O)O)O
PubChem CID	493570

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.5
H-bond donors / acceptors	5 / 7
TPSA	155 Å²
Synonyms	(-)-Riboflavin, 1-Deoxy-1-(3,4-dihydro-7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10(2H)-yl)-D-ribitol, 7,8-Dimethyl-10-ribitylisoalloxazine, Beflavin, Beflavine, Flavaxin, Lactobene, Lactoflavin, Lactoflavine, Ribipca, Ribocrisina, Riboderm

Documents

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

Other grades of CAS 83-88-5

IP/BP/USP

Riboflavin Sodium

CAS: 83-88-5
Formula: C₁₇H₂₀N₄O₆
MW: 376.4 g/mol

VQ-004251

Biochemistry

Riboflavin, 99%

CAS: 83-88-5
Formula: C₁₇H₂₀N₄O₆
MW: 376.4 g/mol

VQ-003876

BP/USP/EP / Cell Cult…

Riboflavin, BP/USP/EP, cell culture tested

CAS: 83-88-5
Formula: C₁₇H₂₀N₄O₆
MW: 376.4 g/mol

VQ-046022

Cell Culture

Riboflavin, cell culture tested

CAS: 83-88-5
Formula: C₁₇H₂₀N₄O₆
MW: 376.4 g/mol

VQ-046370

Spectroscopy

Riboflavin, for spectroscopy ≥99.00%

CAS: 83-88-5
Formula: C₁₇H₂₀N₄O₆
MW: 376.4 g/mol

VQ-046758

Frequently asked questions

What is the CAS number of Riboflavin?

The CAS Registry Number of Riboflavin is 83-88-5. It is also known as (-)-Riboflavin, 1-Deoxy-1-(3,4-dihydro-7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10(2H)-yl)-D-ribitol, 7,8-Dimethyl-10-ribitylisoalloxazine.

What is the molecular formula and molecular weight of Riboflavin?

Riboflavin has the molecular formula C17H20N4O6 and a molecular weight of 376.4 g/mol. Its IUPAC name is 7,8-dimethyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4-dione.

What is Riboflavin used for?

Riboflavin 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 can I order?

We supply Riboflavin in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Riboflavin?

Yes. Every lot of Riboflavin 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 be shipped internationally?

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