Azithromycin EP Impurity A

Name: Azithromycin EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-020871

About Azithromycin EP Impurity A

Listed under CAS 76801-85-9, Azithromycin EP Impurity A is a pharmacopeial impurity of Azithromycin available from Vaqora Chemicals. With the molecular formula C37H70N2O12, it has a molar mass of 735.0 g/mol. Alternative names: Azithromycin - Impurity A and Azithromycin related Compound A.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This Azithromycin 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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Azithromycin EP Impurity A is dispatched with a Certificate of Analysis (COA) to destinations 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 A
Catalogue No.	VQ-020871
CAS Number	76801-85-9
IUPAC name	(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,8,10,12,14-hexamethyl-1-oxa-6-azacyclopentadecan-15-one
Molecular formula	C₃₇H₇₀N₂O₁₂
Molecular weight	735 g/mol
Exact mass	734.4929
Grade	Reference Standard
HSN code	38229090
InChIKey	HRKNNHYKWGYTEN-HOQMJRDDSA-N
SMILES	CC[C@@H]1[C@@]([C@@H]([C@H](NC[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)O)C)C)O)(C)O
PubChem CID	9810601

Physical properties
Physical form	Solid
LogP (XLogP3)	3.6
H-bond donors / acceptors	6 / 14
TPSA	189 Å²
Synonyms	Azithromycin - Impurity A, Azithromycin related Compound A, Azaerythromycin A, DD-Azaerythromycin A, 9-Deoxo-9a-aza-9a-homoerythromycin A, 10-Dihydro-10-deoxo-11-azaerythromycin A, Azathramycin, 9-Deoxo-9a-aza-9a-homo Erythromycin A, Azaerythromycin, 9-Deoxo-9a-aza-9a-homo Erythromycin A(Desmethyl Azithromycin), 9-Deoxo-9a-aza-9a-homo Erythromycin A Desmethyl Azithromycin, Azahomoerythromycin

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

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 Azithromycin EP Impurity A?

The CAS Registry Number of Azithromycin EP Impurity A is 76801-85-9. It is also known as Azithromycin - Impurity A, Azithromycin related Compound A, Azaerythromycin A.

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

Azithromycin EP Impurity A has the molecular formula C37H70N2O12 and a molecular weight of 735 g/mol.

What is Azithromycin EP Impurity A used for?

Azithromycin EP Impurity A 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 A can I order?

We supply Azithromycin EP Impurity A 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 A?

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

Yes. Azithromycin EP Impurity A 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.