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Pharmacopeial Impurities (EP / USP / BP)

Roxithromycin EP Impurity C

Reference StandardIn stock

Buy Roxithromycin EP Impurity C (CAS 111321-02-9) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-005983.

Pack sizes
Roxithromycin EP Impurity C chemical structure
CAS number111321-02-9
FormulaC37H68N2O13
Molar mass748.9 g/mol
Physical formSolid
HS code38229090
Purity92%
InChIKeyKYTWXIARANQMCA-ZTILBQITSA-N

About Roxithromycin EP Impurity C

Analytical teams working on Roxithromycin use Roxithromycin EP Impurity C as a qualified comparison standard. Key data (Reference Standard): CAS 111321-02-9, formula C37H68N2O13 and molar mass 748.9 g/mol. It is handled as a solid.

Typical applications

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

Order it in 10 mg, 25 mg, 50 mg, 100 mg and 250 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Roxithromycin

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

Roxithromycin standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Roxithromycin EP Impurity C
Product nameRoxithromycin EP Impurity C
Catalogue numberZX-005983
CAS number111321-02-9
IUPAC name(3R,4S,5S,6R,7R,9R,10E,11S,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-10-hydroxyimino-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecan-2-one
Molecular formulaC37H68N2O13
Molar mass748.9 g/mol
Exact mass748.4721
GradeReference Standard
Purity / assay92%
Physical formSolid
XLogP33
H-bond donors / acceptors6 / 15
Topological polar surface area209 Ų
HS code38229090
InChIKeyKYTWXIARANQMCA-ZTILBQITSA-N
SMILESCC[C@@H]1[C@@]([C@@H]([C@H](/C(=N/O)/[C@@H](C[C@@]([C@@H]([C@H]([C@@H]([C@H](C(=O)O1)C)O[C@H]2C[C@@]([C@H]([C@@H](O2)C)O)(C)OC)C)O[C@H]3[C@@H]([C@H](C[C@H](O3)C)N(C)C)O)(C)O)C)C)O)(C)O
PubChem CID6537896
SynonymsErythromycin A Oxime, (9E)-Erythromycin A Oxime, (9E)-Erythromycin 9-Oxime, (E)-Erythromycin A Oxime, (E)-Erythromycin Oxime, 9(E)-Erythromycin A oxime, Erythromycin, 9-oxime, Erythromycin Impurity J, Erythromycin A-E-Oxime

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

Safety and GHS hazards

GHS09 Hazardous to the environment
Hazardous to the environment
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P273, P391, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

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

Which CAS number identifies Roxithromycin EP Impurity C?
Roxithromycin EP Impurity C is registered under CAS 111321-02-9. You may also see it listed as Erythromycin A Oxime, (9E)-Erythromycin A Oxime, (9E)-Erythromycin 9-Oxime. Our catalogue number for this item is ZX-005983.
What are the formula and molar mass of Roxithromycin EP Impurity C?
For Roxithromycin EP Impurity C, its formula is C37H68N2O13 and its molar mass is 748.9 g/mol. InChIKey KYTWXIARANQMCA-ZTILBQITSA-N lets you match it in any structure database.
How is Roxithromycin EP Impurity C used in pharmaceutical QC?
Roxithromycin EP Impurity C is a characterised reference material linked to Roxithromycin. 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 Roxithromycin EP Impurity C?
This listing is Reference Standard grade with 92% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Roxithromycin 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 Roxithromycin EP Impurity C to my country?
Yes. Because Roxithromycin EP Impurity C is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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