Erythromycin - Impurity K | CAS 33442-56-7

Name: Erythromycin - Impurity K
Brand: Vaqora Chemicals
SKU: VQ-025602

About Erythromycin - Impurity K

Listed under CAS 33442-56-7, Erythromycin - Impurity K is an impurity of Erythromycin available from Vaqora Chemicals. The compound has the formula C36H65NO12, corresponding to a molecular weight of 703.9 g/mol. Alternative names: Erythromycin EP Impurity K and Erythromycin Ethyl Succinate - Impurity K.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Erythromycin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Erythromycin - 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

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 - Impurity K
Catalogue No.	VQ-025602
CAS Number	33442-56-7
IUPAC name	(3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-4-[(2R,4R,5R,6S)-4,5-dihydroxy-4,6-dimethyloxan-2-yl]oxy-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12-dihydroxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione
Molecular formula	C₃₆H₆₅NO₁₂
Molecular weight	703.9 g/mol
Exact mass	703.4507
Grade	Reference Standard
HSN code	38229090
InChIKey	CLQUUOKNEOQBSW-HYABICGWSA-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)O)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	5483653

Physical properties
Physical form	Solid
LogP (XLogP3)	3.4
H-bond donors / acceptors	5 / 13
TPSA	185 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 Erythromycin - Impurity K?

The CAS Registry Number of Erythromycin - Impurity K is 33442-56-7. It is also known as Erythromycin EP Impurity K, Erythromycin Ethyl Succinate - Impurity K, Erythromycin, 3''-O-demethyl-12-deoxy-.

What is the molecular formula and molecular weight of Erythromycin - Impurity K?

Erythromycin - Impurity K has the molecular formula C36H65NO12 and a molecular weight of 703.9 g/mol.

What is Erythromycin - Impurity K used for?

Erythromycin - Impurity K 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 - Impurity K can I order?

We supply Erythromycin - 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 Erythromycin - Impurity K?

Yes. Every lot of Erythromycin - 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 Erythromycin - Impurity K be shipped internationally?

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