Erythromycin A 9-methoxime

About Erythromycin A 9-methoxime

Erythromycin A 9-methoxime is a nitrogen-functional building block carrying the CAS registry number 53066-26-5. With the molecular formula C38H70N2O13, it has a molar mass of 763.0 g/mol. Common synonyms include Erythromycin A methoxime and Erythromycin 9-(O-methyloxime).

Store sealed in a dry, well-ventilated location away from incompatible materials. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Typical applications include organic synthesis, dye and pigment intermediates and heterocycle construction. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Erythromycin A 9-methoxime in 100 mg, 250 mg, 1 g and 5 g packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
Dye & pigment intermediates
Heterocycle construction

Industries

Specifications & identifiers

Chemical identifiers
Product name	Erythromycin A 9-methoxime
Catalogue No.	VQ-048261
CAS Number	53066-26-5
IUPAC name	(3R,4S,5S,6R,7R,9R,10E,11S,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-10-methoxyimino-3,5,7,9,11,13-hexamethyl-oxacyclotetradecan-2-one
Molecular formula	C₃₈H₇₀N₂O₁₃
Molecular weight	763 g/mol
Exact mass	762.4878
HSN code	2933
InChIKey	HPZGUSZNXKOMCQ-SQYJNGITSA-N
SMILES	CC[C@@H]1[C@@]([C@@H]([C@H](/C(=N/OC)/[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	6532846

Physical properties
Physical form	Other
LogP (XLogP3)	3.3
H-bond donors / acceptors	5 / 15
TPSA	198 Å²
Synonyms	Erythromycin A methoxime, Erythromycin 9-(O-methyloxime), Lexithromycine, Erythromycin, 9-(O-methyloxime), (9E)-Erythromycin 9-(O-Methyloxime), Erythromycin methyloxime, Erthromycin a 9-(o-methyloxime), Erythromycin A, 9-O-methyl oxime

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 A 9-methoxime?

The CAS Registry Number of Erythromycin A 9-methoxime is 53066-26-5. It is also known as Erythromycin A methoxime, Erythromycin 9-(O-methyloxime), Lexithromycine.

What is the molecular formula and molecular weight of Erythromycin A 9-methoxime?

Erythromycin A 9-methoxime has the molecular formula C38H70N2O13 and a molecular weight of 763 g/mol.

Which grade and pack sizes of Erythromycin A 9-methoxime can I order?

We supply Erythromycin A 9-methoxime, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Erythromycin A 9-methoxime?

Yes. Every lot of Erythromycin A 9-methoxime 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 A 9-methoxime be shipped internationally?

Yes. We export Erythromycin A 9-methoxime worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.