Erythromycin - Impurity K

Name: Erythromycin - Impurity K
Brand: Zemixal
SKU: ZX-024564

Reference StandardAvailable on request

Order Erythromycin - Impurity K (CAS 33442-56-7) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes

Erythromycin - Impurity K chemical structure

CAS number33442-56-7

FormulaC₃₆H₆₅NO₁₂

Molar mass703.9 g/mol

Physical formSolid

HS code38229090

InChIKeyCLQUUOKNEOQBSW-HYABICGWSA-N

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

About Erythromycin - Impurity K

Zemixal lists Erythromycin - Impurity K for laboratories that identify, quantify or control Erythromycin and its related substances. Identity at a glance (Reference Standard): CAS 33442-56-7, formula C36H65NO12 and molar mass 703.9 g/mol. It is handled as a solid.

Use cases we see most often

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Erythromycin

See every impurity, metabolite and related compound we list for this API.

Erythromycin standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Erythromycin - Impurity K
Product name	Erythromycin - Impurity K
Catalogue number	ZX-024564
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
Molar mass	703.9 g/mol
Exact mass	703.4507
Grade	Reference Standard
Physical form	Solid
XLogP3	3.4
H-bond donors / acceptors	5 / 13
Topological polar surface area	185 Å²
HS 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
Synonyms	Erythromycin EP Impurity K, Erythromycin Ethyl Succinate - Impurity K, Erythromycin, 3''-O-demethyl-12-deoxy-, 3''-O-Demethyl-12-deoxyerythromycin

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Erythromycin - Impurity K
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Erythromycin - Impurity K

Which CAS number identifies Erythromycin - Impurity K?

Erythromycin - Impurity K is registered under CAS 33442-56-7. You may also see it listed as Erythromycin EP Impurity K, Erythromycin Ethyl Succinate - Impurity K, Erythromycin, 3''-O-demethyl-12-deoxy-. Our catalogue number for this item is ZX-024564.

What are the formula and molar mass of Erythromycin - Impurity K?

For Erythromycin - Impurity K, its formula is C36H65NO12 and its molar mass is 703.9 g/mol. InChIKey CLQUUOKNEOQBSW-HYABICGWSA-N lets you match it in any structure database.

How is Erythromycin - Impurity K used in pharmaceutical QC?

Erythromycin - Impurity K is a characterised reference material linked to Erythromycin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Erythromycin - Impurity K?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Erythromycin - Impurity K?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Erythromycin - Impurity K to my country?

Yes. Erythromycin - Impurity K ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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