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VAQORACHEMICALS
Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Riboflavin EP Impurity C

Synonyms: Riboflavin - Impurity C · 6,7-Dimethyl-8-ribityllumazine · 6,7-dimethyl-8-(1-D-ribityl)lumazine · Russupteridine IV

CAS No.2535-20-8
FormulaC13H18N4O6
Mol. weight326.31
Catalogue No.VQ-024021
PurityReference Standard
HSN38229090

Riboflavin EP Impurity C (CAS 2535-20-8) – Riboflavin impurity standard. C13H18N4O6, MW 326.31. Supplied by Vaqora Chemicals with COA, exported worldwide.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Riboflavin EP Impurity C

Vaqora Chemicals supplies Riboflavin EP Impurity C, a pharmacopeial impurity of Riboflavin registered under CAS number 2535-20-8. The compound has the formula C13H18N4O6, corresponding to a molecular weight of 326.31 g/mol. Its systematic (IUPAC) name is 6,7-dimethyl-8-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]pteridine-2,4-dione. Alternative names: Riboflavin - Impurity C and 6,7-Dimethyl-8-ribityllumazine.

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. Good laboratory practice and suitable PPE are recommended during handling.

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. Our customers for this product work in 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.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Industries

Related to Riboflavin

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

Riboflavin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameRiboflavin EP Impurity C
Catalogue No.VQ-024021
CAS Number2535-20-8
IUPAC name6,7-dimethyl-8-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]pteridine-2,4-dione
Molecular formulaC13H18N4O6
Molecular weight326.31 g/mol
Exact mass326.1226
GradeReference Standard
HSN code38229090
InChIKeySXDXRJZUAJBNFL-XKSSXDPKSA-N
SMILESCC1=C(N(C2=NC(=O)NC(=O)C2=N1)C[C@@H]([C@@H]([C@@H](CO)O)O)O)C
PubChem CID168989
Physical properties
Physical formSolid
LogP (XLogP3)-2.7
H-bond donors / acceptors5 / 7
TPSA155 Ų
SynonymsRiboflavin - Impurity C, 6,7-Dimethyl-8-ribityllumazine, 6,7-dimethyl-8-(1-D-ribityl)lumazine, Russupteridine IV, 6,7-dimethyl-8-(D-ribityl)lumazine, RL-6,7-diMe, 6,7-dimethyl-8-D-ribityllumazine, 1-Deoxy-1-(3,4-dihydro-6,7-dimethyl-2,4-dioxo-8(2H)-pteridinyl)-ribitol, Ribitol, 1-deoxy-1-(3,4-dihydro-6,7-dimethyl-2,4-dioxo-8(2H)-pteridinyl)-, Riboflavin impurity C, 6,7-Dimethyl-8-ribityllumazine, (D)-isomer, 4-hydroxy-6,7-dimethyl-8-(2,3,4,5-tetrahydroxypentyl)pteridin-2-one

Documents

Frequently asked questions

What is the CAS number of Riboflavin EP Impurity C?

The CAS Registry Number of Riboflavin EP Impurity C is 2535-20-8. It is also known as Riboflavin - Impurity C, 6,7-Dimethyl-8-ribityllumazine, 6,7-dimethyl-8-(1-D-ribityl)lumazine.

What is the molecular formula and molecular weight of Riboflavin EP Impurity C?

Riboflavin EP Impurity C has the molecular formula C13H18N4O6 and a molecular weight of 326.31 g/mol. Its IUPAC name is 6,7-dimethyl-8-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]pteridine-2,4-dione.

What is Riboflavin EP Impurity C used for?

Riboflavin EP Impurity C 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 EP Impurity C can I order?

We supply Riboflavin EP Impurity C 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 EP Impurity C?

Yes. Every lot of Riboflavin EP Impurity C 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 EP Impurity C be shipped internationally?

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

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Why buyers choose Vaqora

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  • IATA / IMDG dangerous-goods packing
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  • Custom synthesis & sourcing
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