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Pharmacopeial Impurities (EP / USP / BP)

Dirithromycin EP Impurity A

Reference StandardAvailable on request

Dirithromycin EP Impurity A (CAS 26116-56-3) supplier Zemixal: C37H70N2O12, COA and SDS with every lot, worldwide shipping.

Pack sizes
Dirithromycin EP Impurity A chemical structure
CAS number26116-56-3
FormulaC37H70N2O12
Molar mass735 g/mol
Physical formSolid
HS code38229090
InChIKeyXCLJRCAJSCMIND-JCTYMORFSA-N

About Dirithromycin EP Impurity A

Zemixal lists Dirithromycin EP Impurity A for laboratories that identify, quantify or control Dirithromycin and its related substances. For your records (Reference Standard), the material is defined by CAS 26116-56-3, formula C37H70N2O12 and molar mass 735 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

Hazard communication follows GHS (Danger: H318, H400 and H410). Our SDS lists exposure controls and first-aid measures.

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

Reference standards for Dirithromycin

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

Dirithromycin standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Dirithromycin EP Impurity A
Product nameDirithromycin EP Impurity A
Catalogue numberZX-024316
CAS number26116-56-3
IUPAC name(3R,4S,5S,6R,7R,9R,10S,11S,12R,13S,14R)-10-amino-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-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 formulaC37H70N2O12
Molar mass735 g/mol
Exact mass734.4929
GradeReference Standard
Physical formSolid
XLogP33.5
H-bond donors / acceptors6 / 14
Topological polar surface area203 Ų
HS code38229090
InChIKeyXCLJRCAJSCMIND-JCTYMORFSA-N
SMILESCC[C@@H]1[C@@]([C@@H]([C@H]([C@H]([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)N)C)O)(C)O
PubChem CID83952
SynonymsDirithromycin - Impurity A, Dirithromycin impurity A, Erythromycylamine, (9S)-9-Amino-9-deoxoerythromycin, 9(S)-Erythromycylamine, 9-Epierythromycylamine, (9S)-9-amino-9-deoxyerythromycin, BRL-42852ER, erythromyclamine, (9S)-, (9S)-erythromycyclamine, Erythromycin, 9-amino-9-deoxo-, (9S)-, Epierythromycyl-A-amine

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H318Causes serious eye damage
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P264 + P265, P273, P280, P305 + P354 + P338, P317, 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 Dirithromycin EP Impurity A
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 Dirithromycin EP Impurity A

Which CAS number identifies Dirithromycin EP Impurity A?
Dirithromycin EP Impurity A is registered under CAS 26116-56-3. You may also see it listed as Dirithromycin - Impurity A, Dirithromycin impurity A, Erythromycylamine. Our catalogue number for this item is ZX-024316.
What are the formula and molar mass of Dirithromycin EP Impurity A?
For Dirithromycin EP Impurity A, its formula is C37H70N2O12 and its molar mass is 735 g/mol. InChIKey XCLJRCAJSCMIND-JCTYMORFSA-N lets you match it in any structure database.
How is Dirithromycin EP Impurity A used in pharmaceutical QC?
Dirithromycin EP Impurity A is a characterised reference material linked to Dirithromycin. 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 Dirithromycin EP Impurity A?
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 Dirithromycin EP Impurity A?
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 Dirithromycin EP Impurity A to my country?
Yes. Because Dirithromycin EP Impurity A 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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