Erythromycin B

Name: Erythromycin B
Brand: Vaqora Chemicals
SKU: VQ-025596

About Erythromycin B

Vaqora Chemicals supplies Erythromycin B, an impurity of Erythromycin registered under CAS number 527-75-3. Formula C37H67NO12, molecular weight 717.9 g/mol. It is also known as Berythromycin or Berythromycine.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Erythromycin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Erythromycin B in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Erythromycin

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

Erythromycin impurities

Specifications & identifiers

Chemical identifiers
Product name	Erythromycin B
Catalogue No.	VQ-025596
CAS Number	527-75-3
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 formula	C₃₇H₆₇NO₁₂
Molecular weight	717.9 g/mol
Exact mass	717.4663
Grade	Reference Standard
HSN code	38229090
InChIKey	IDRYSCOQVVUBIJ-PPGFLMPOSA-N
SMILES	CC[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 CID	9918244

Physical properties
Physical form	Solid
LogP (XLogP3)	3.9
H-bond donors / acceptors	4 / 13
TPSA	174 Å²
Synonyms	Berythromycin, Berythromycine, 12-Deoxyerythromycin, Abbott-24091, 12-deoxyerythromycin A, Abbot 24091, Erythromycin B RS

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

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

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Erythromycin B?

The CAS Registry Number of Erythromycin B is 527-75-3. It is also known as Berythromycin, Berythromycine, 12-Deoxyerythromycin.

What is the molecular formula and molecular weight of Erythromycin B?

Erythromycin B has the molecular formula C37H67NO12 and a molecular weight of 717.9 g/mol.

What is Erythromycin B used for?

Erythromycin B is supplied as a characterised reference material related to Erythromycin. 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 Erythromycin B can I order?

We supply Erythromycin B 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 Erythromycin B?

Yes. Every lot of Erythromycin B 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 Erythromycin B be shipped internationally?

Yes. Erythromycin B is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.