Azithromycin EP Impurity L

Name: Azithromycin EP Impurity L
Brand: Vaqora Chemicals
SKU: VQ-020880

About Azithromycin EP Impurity L

Azithromycin EP Impurity L (CAS 90503-06-3) is a pharmacopeial impurity of Azithromycin offered by Vaqora Chemicals. The compound has the formula C38H72N2O13, corresponding to a molecular weight of 765.0 g/mol. Common synonyms include Azithromycin N-Oxide and Azithromycin - Impurity L.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Azithromycin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Azithromycin EP Impurity L in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Azithromycin

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

Azithromycin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Azithromycin EP Impurity L
Catalogue No.	VQ-020880
CAS Number	90503-06-3
IUPAC name	(2S,3R,4S,6R)-2-[[(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadec-11-yl]oxy]-3-hydroxy-N,N,6-trimethyloxan-4-amine oxide
Molecular formula	C₃₈H₇₂N₂O₁₃
Molecular weight	765 g/mol
Exact mass	764.5034
Grade	Reference Standard
HSN code	38229090
InChIKey	DEORMZXNPDWMST-BICOPXKESA-N
SMILES	CC[C@@H]1[C@@]([C@@H]([C@H](N(C[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-])O)(C)O)C)C)C)O)(C)O
PubChem CID	59787831

Physical properties
Physical form	Solid
LogP (XLogP3)	4
H-bond donors / acceptors	5 / 14
TPSA	195 Å²
Synonyms	Azithromycin N-Oxide, Azithromycin - Impurity L, Azithromycin Impurity L, Azithromycin 3'-N-oxide, Azithromycin 3'- N-oxide, Azithromycin-N-oxide

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 Azithromycin EP Impurity L?

The CAS Registry Number of Azithromycin EP Impurity L is 90503-06-3. It is also known as Azithromycin N-Oxide, Azithromycin - Impurity L, Azithromycin Impurity L.

What is the molecular formula and molecular weight of Azithromycin EP Impurity L?

Azithromycin EP Impurity L has the molecular formula C38H72N2O13 and a molecular weight of 765 g/mol.

What is Azithromycin EP Impurity L used for?

Azithromycin EP Impurity L is supplied as a characterised reference material related to Azithromycin. 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 Azithromycin EP Impurity L can I order?

We supply Azithromycin EP Impurity L 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 Azithromycin EP Impurity L?

Yes. Every lot of Azithromycin EP Impurity L 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 Azithromycin EP Impurity L be shipped internationally?

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