Erythronolide B

Name: Erythronolide B
Brand: Vaqora Chemicals
SKU: VQ-037070

About Erythronolide B

Listed under CAS 3225-82-9, Erythronolide B is an impurity of Erythromycin available from Vaqora Chemicals. The compound has the formula C21H38O7, corresponding to a molecular weight of 402.5 g/mol. Alternative names: 12-deoxyerythronolide A and Erythronolid B.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Erythromycin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Erythronolide B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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	Erythronolide B
Catalogue No.	VQ-037070
CAS Number	3225-82-9
IUPAC name	(3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-14-ethyl-4,6,7,12-tetrahydroxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione
Molecular formula	C₂₁H₃₈O₇
Molecular weight	402.5 g/mol
Exact mass	402.2618
Grade	Reference Standard
HSN code	38229090
InChIKey	ZFBRGCCVTUPRFQ-HWRKYNCUSA-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)O)(C)O)C)C)O)C
PubChem CID	441113

Physical properties
Physical form	Solid
LogP (XLogP3)	1.8
H-bond donors / acceptors	4 / 7
TPSA	124 Å²

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 Erythronolide B?

The CAS Registry Number of Erythronolide B is 3225-82-9. It is also known as 12-deoxyerythronolide A, Erythronolid B, Eritronolide B.

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

Erythronolide B has the molecular formula C21H38O7 and a molecular weight of 402.5 g/mol. Its IUPAC name is (3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-14-ethyl-4,6,7,12-tetrahydroxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione.

What is Erythronolide B used for?

Erythronolide 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 Erythronolide B can I order?

We supply Erythronolide 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 Erythronolide B?

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

Yes. We export Erythronolide B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.