Josamycin EP Impurity A

About Josamycin EP Impurity A

Josamycin EP Impurity A is a pharmacopeial impurity of Josamycin carrying the CAS registry number 18361-46-1. With the molecular formula C41H67NO15, it has a molar mass of 814.0 g/mol. It is also known as Leucomycin A4 or Josamycin - Impurity A.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Josamycin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Josamycin

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

Josamycin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Josamycin EP Impurity A
Catalogue No.	VQ-026280
CAS Number	18361-46-1
IUPAC name	[(2S,3S,4R,6S)-6-[(2R,3S,4R,5R,6S)-6-[[(4R,5S,6S,7R,9R,10R,11E,13E,16R)-4-acetyloxy-10-hydroxy-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-1-oxacyclohexadeca-11,13-dien-6-yl]oxy]-4-(dimethylamino)-5-hydroxy-2-methyloxan-3-yl]oxy-4-hydroxy-2,4-dimethyloxan-3-yl] butanoate
Molecular formula	C₄₁H₆₇NO₁₅
Molecular weight	814 g/mol
Exact mass	813.4511
Grade	Reference Standard
HSN code	38229090
InChIKey	XVTMRUKLMXPAKO-RXUUKHTDSA-N
SMILES	CCCC(=O)O[C@H]1[C@@H](O[C@H](C[C@@]1(C)O)O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2N(C)C)O)O[C@H]3[C@H](C[C@H]([C@H](/C=C/C=C/C[C@H](OC(=O)C[C@H]([C@@H]3OC)OC(=O)C)C)O)C)CC=O)C)C
PubChem CID	5282323

Physical properties
Physical form	Solid
LogP (XLogP3)	2.5
H-bond donors / acceptors	3 / 16
TPSA	206 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 Josamycin EP Impurity A?

The CAS Registry Number of Josamycin EP Impurity A is 18361-46-1. It is also known as Leucomycin A4, Josamycin - Impurity A, Leukomycin A4.

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

Josamycin EP Impurity A has the molecular formula C41H67NO15 and a molecular weight of 814 g/mol.

What is Josamycin EP Impurity A used for?

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

We supply Josamycin 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 Josamycin EP Impurity A?

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

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