Erythromycin Stearate

Name: Erythromycin Stearate
Brand: Vaqora Chemicals
SKU: VQ-019555

About Erythromycin Stearate

Erythromycin Stearate (CAS 643-22-1) is a research antibiotic offered by Vaqora Chemicals. Formula C55H103NO15, molecular weight 1018.4 g/mol. Alternative names: Abboticine and Bristamycin.

Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for selection in cell culture, microbiology research and antimicrobial studies. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 25 g, 100 g and 500 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Selection in cell culture
Microbiology research
Antimicrobial studies

Industries

Specifications & identifiers

Chemical identifiers
Product name	Erythromycin Stearate
Catalogue No.	VQ-019555
CAS Number	643-22-1
IUPAC name	(3R,4S,5S,6R,7R,9R,11R,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-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione;octadecanoic acid
Molecular formula	C₅₅H₁₀₃NO₁₅
Molecular weight	1018.4 g/mol
Exact mass	1017.7328
InChIKey	YAVZHCFFUATPRK-YZPBMOCRSA-N
SMILES	CCCCCCCCCCCCCCCCCC(=O)O.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)O)C)C)O)(C)O
PubChem CID	12559

Physical properties
Physical form	Other
H-bond donors / acceptors	6 / 16
TPSA	231 Å²
Synonyms	Abboticine, Bristamycin, Gallimycin, Dowmycin E, Wyamycin S, Pfizer-E, Erythrocin stearate, Erythromycin octadecanoate (salt), Sk-erythromycin, Ethril 250, Erythromycin stearate (salt), Erythromycin, stearate (salt)

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements: P233, P260, P261, P264 + P265, P271, P272, P280, P284, P302 + P352, P304 + P340, P305 + P351 + P338, P321, P333 + P317, P337 + P317, P342 + P316, P362 + P364, P403, 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 Erythromycin Stearate?

The CAS Registry Number of Erythromycin Stearate is 643-22-1. It is also known as Abboticine, Bristamycin, Gallimycin.

What is the molecular formula and molecular weight of Erythromycin Stearate?

Erythromycin Stearate has the molecular formula C55H103NO15 and a molecular weight of 1018.4 g/mol.

Which grade and pack sizes of Erythromycin Stearate can I order?

We supply Erythromycin Stearate, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Erythromycin Stearate?

Yes. Every lot of Erythromycin Stearate 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 Stearate be shipped internationally?

Yes. Erythromycin Stearate 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.