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Pharmacopeial Impurities (EP / USP / BP)

Riboflavin EP Impurity C

Reference StandardAvailable on request

Order Riboflavin EP Impurity C (CAS 2535-20-8) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-023034.

Pack sizes
Riboflavin EP Impurity C chemical structure
CAS number2535-20-8
FormulaC13H18N4O6
Molar mass326.31 g/mol
Physical formSolid
HS code38229090
InChIKeySXDXRJZUAJBNFL-XKSSXDPKSA-N
IUPAC name6,7-dimethyl-8-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]pteridine-2,4-dione

About Riboflavin EP Impurity C

Riboflavin EP Impurity C belongs to the Riboflavin reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 2535-20-8, formula C13H18N4O6 and molar mass 326.31 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Riboflavin

See every impurity, metabolite and related compound we list for this API.

Riboflavin standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Riboflavin EP Impurity C
Product nameRiboflavin EP Impurity C
Catalogue numberZX-023034
CAS number2535-20-8
IUPAC name6,7-dimethyl-8-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]pteridine-2,4-dione
Molecular formulaC13H18N4O6
Molar mass326.31 g/mol
Exact mass326.1226
GradeReference Standard
Physical formSolid
XLogP3-2.7
H-bond donors / acceptors5 / 7
Topological polar surface area155 Ų
HS 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
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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Riboflavin EP Impurity C
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Riboflavin EP Impurity C

Which CAS number identifies Riboflavin EP Impurity C?
Riboflavin EP Impurity C is registered under CAS 2535-20-8. You may also see it listed as Riboflavin - Impurity C, 6,7-Dimethyl-8-ribityllumazine, 6,7-dimethyl-8-(1-D-ribityl)lumazine. Our catalogue number for this item is ZX-023034.
What are the formula and molar mass of Riboflavin EP Impurity C?
For Riboflavin EP Impurity C, its formula is C13H18N4O6 and its molar mass is 326.31 g/mol. The systematic (IUPAC) name is 6,7-dimethyl-8-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]pteridine-2,4-dione. InChIKey SXDXRJZUAJBNFL-XKSSXDPKSA-N lets you match it in any structure database.
How is Riboflavin EP Impurity C used in pharmaceutical QC?
Riboflavin EP Impurity C is a characterised reference material linked to Riboflavin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Riboflavin EP Impurity C?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Riboflavin EP Impurity C?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Riboflavin EP Impurity C to my country?
Yes. Riboflavin EP Impurity C ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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