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API Impurities

Erythromycin B

Reference StandardAvailable on request

Buy Erythromycin B (CAS 527-75-3) from Zemixal: C37H67NO12, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-024558.

Pack sizes
Erythromycin B chemical structure
CAS number527-75-3
FormulaC37H67NO12
Molar mass717.9 g/mol
Physical formSolid
HS code38229090
InChIKeyIDRYSCOQVVUBIJ-PPGFLMPOSA-N

About Erythromycin B

Zemixal lists Erythromycin B for laboratories that identify, quantify or control Erythromycin and its related substances. Identity at a glance (Reference Standard): CAS 527-75-3, formula C37H67NO12 and molar mass 717.9 g/mol. It is handled as a solid.

Where it is used

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

Hazard communication follows GHS (Warning: H319). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Erythromycin

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

Erythromycin standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Erythromycin B
Product nameErythromycin B
Catalogue numberZX-024558
CAS number527-75-3
IUPAC name(3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12-dihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione
Molecular formulaC37H67NO12
Molar mass717.9 g/mol
Exact mass717.4663
GradeReference Standard
Physical formSolid
XLogP33.9
H-bond donors / acceptors4 / 13
Topological polar surface area174 Ų
HS code38229090
InChIKeyIDRYSCOQVVUBIJ-PPGFLMPOSA-N
SMILESCC[C@@H]1[C@@H]([C@@H]([C@H](C(=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
PubChem CID9918244
SynonymsBerythromycin, Berythromycine, 12-Deoxyerythromycin, Abbott-24091, 12-deoxyerythromycin A, Abbot 24091, Erythromycin B RS

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H319Causes serious eye irritation

Precautionary statements P264 + P265, P280, P305 + P351 + P338, P337 + P317

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 Erythromycin B
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 Erythromycin B

Which CAS number identifies Erythromycin B?
Erythromycin B is registered under CAS 527-75-3. You may also see it listed as Berythromycin, Berythromycine, 12-Deoxyerythromycin. Our catalogue number for this item is ZX-024558.
What are the formula and molar mass of Erythromycin B?
For Erythromycin B, its formula is C37H67NO12 and its molar mass is 717.9 g/mol. InChIKey IDRYSCOQVVUBIJ-PPGFLMPOSA-N lets you match it in any structure database.
How is Erythromycin B used in pharmaceutical QC?
Erythromycin B is a characterised reference material linked to Erythromycin. 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 Erythromycin B?
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 Erythromycin B?
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 Erythromycin B to my country?
Yes. Because Erythromycin B 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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