Azithromycin EP Impurity K

Name: Azithromycin EP Impurity K
Brand: Vaqora Chemicals
SKU: VQ-020883

About Azithromycin EP Impurity K

Vaqora Chemicals supplies Azithromycin EP Impurity K, a pharmacopeial impurity of Azithromycin registered under CAS number 612534-95-9. With the molecular formula C38H70N2O13, it has a molar mass of 763.0 g/mol. Common synonyms include Azithromycin - Impurity K and Azithromycin E.

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. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Azithromycin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Azithromycin EP Impurity K 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 K
Catalogue No.	VQ-020883
CAS Number	612534-95-9
IUPAC name	(1R,4R,4'R,5S,5'S,6R,6'S,7R,10R,12R,13R,14S,15S,17S)-13-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-4-ethyl-5,5',6,12-tetrahydroxy-4'-methoxy-4',5,6',7,8,10,12,14-octamethylspiro[3,16,18-trioxa-8-azabicyclo[13.4.0]nonadecane-17,2'-oxane]-2-one
Molecular formula	C₃₈H₇₀N₂O₁₃
Molecular weight	763 g/mol
Exact mass	762.4878
Grade	Reference Standard
HSN code	38229090
InChIKey	UNULYJBDEWDIQZ-XVXDYBIPSA-N
SMILES	CC[C@@H]1[C@@]([C@@H]([C@H](N(C[C@@H](C[C@@]([C@@H]([C@H]([C@H]2[C@@H](CO[C@]3(O2)C[C@@]([C@H]([C@@H](O3)C)O)(C)OC)C(=O)O1)C)O[C@H]4[C@@H]([C@H](C[C@H](O4)C)N(C)C)O)(C)O)C)C)C)O)(C)O
PubChem CID	71587771

Physical properties
Physical form	Solid
LogP (XLogP3)	3
H-bond donors / acceptors	5 / 15
TPSA	189 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 Azithromycin EP Impurity K?

The CAS Registry Number of Azithromycin EP Impurity K is 612534-95-9. It is also known as Azithromycin - Impurity K, Azithromycin E, C14,1''-epoxyazithromycin.

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

Azithromycin EP Impurity K has the molecular formula C38H70N2O13 and a molecular weight of 763 g/mol.

What is Azithromycin EP Impurity K used for?

Azithromycin EP Impurity K 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 K can I order?

We supply Azithromycin EP Impurity K 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 K?

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

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