Clarithromycin EP Impurity E

Name: Clarithromycin EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-021174

About Clarithromycin EP Impurity E

Vaqora Chemicals supplies Clarithromycin EP Impurity E, a pharmacopeial impurity of Clarithromycin registered under CAS number 81103-14-2. The compound has the formula C39H71NO13, corresponding to a molecular weight of 762.0 g/mol. It is also known as Clarithromycin - Impurity E or 11-O-Methylclarithromycin.

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. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

As a characterised impurity of Clarithromycin, 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 Clarithromycin EP Impurity E 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 Clarithromycin

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

Clarithromycin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Clarithromycin EP Impurity E
Catalogue No.	VQ-021174
CAS Number	81103-14-2
IUPAC name	(3R,4S,5S,6R,7R,9R,11R,12R,13R,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-13-hydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-7,12-dimethoxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione
Molecular formula	C₃₉H₇₁NO₁₃
Molecular weight	762 g/mol
Exact mass	761.4925
Grade	Reference Standard
HSN code	38229090
InChIKey	DWRKNXHSSDFLOJ-XNLUWZQGSA-N
SMILES	CC[C@@H]1[C@@]([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)OC)C)O[C@H]3[C@@H]([C@H](C[C@H](O3)C)N(C)C)O)(C)OC)C)C)OC)(C)O
PubChem CID	14589667

Physical properties
Physical form	Solid
LogP (XLogP3)	3.7
H-bond donors / acceptors	3 / 14
TPSA	172 Å²
Synonyms	Clarithromycin - Impurity E, Clarithromycin EP Impurity E (USP), 6,11-di-o-methylerythromycin a, 11-O-Methylclarithromycin, 6,11-Di-O-Methyl ErythroMycin, Clarithromycin Impurity E, 6,11-Di-O-methylerythromycin A, 6,11-Di-O-methylerythromycin, 6-O,11-O-Dimethylerythromycin, Erythromycin, 6,11-di-O-methyl-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Clarithromycin EP Impurity E?

The CAS Registry Number of Clarithromycin EP Impurity E is 81103-14-2. It is also known as Clarithromycin - Impurity E, Clarithromycin EP Impurity E (USP), 6,11-di-o-methylerythromycin a.

What is the molecular formula and molecular weight of Clarithromycin EP Impurity E?

Clarithromycin EP Impurity E has the molecular formula C39H71NO13 and a molecular weight of 762 g/mol.

What is Clarithromycin EP Impurity E used for?

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

We supply Clarithromycin EP Impurity E 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 Clarithromycin EP Impurity E?

Yes. Every lot of Clarithromycin EP Impurity E 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 Clarithromycin EP Impurity E be shipped internationally?

Yes. Clarithromycin EP Impurity E is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.