Erythromycin Impurity E

Name: Erythromycin Impurity E
Brand: Vaqora Chemicals
SKU: VQ-048260

Synonyms: Erythromycin Impurity 65 · Erythromycin, 8,9-didehydro-9-deoxo-6-deoxy-6,9-epoxy-, (9S)-

CAS No.857839-61-3

FormulaC₃₇H₆₅NO₁₂

Mol. weight715.90

Catalogue No.VQ-048260

PurityReference Standard

HSN38229090

Erythromycin Impurity E (CAS 857839-61-3) – Erythromycin impurity standard. C37H65NO12, MW 715.9. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available

10 mg

25 mg

50 mg

100 mg

Bulk / custom pack · kg to MT

Enquire

Batch COA with every lot

16-section GHS SDS

Export to 120+ countries

DG-compliant packing

About Erythromycin Impurity E

Erythromycin Impurity E is an impurity of Erythromycin carrying the CAS registry number 857839-61-3. Its molecular formula is C37H65NO12 and its molecular weight is 715.9 g/mol. It is also known as Erythromycin Impurity 65.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Erythromycin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Erythromycin 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

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Erythromycin

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

Erythromycin impurities

Specifications & identifiers

Chemical identifiers
Product name	Erythromycin Impurity E
Catalogue No.	VQ-048260
CAS Number	857839-61-3
IUPAC name	(2R,3R,4S,5R,8R,9S,10S,11R,12S)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-5-ethyl-3,4-dihydroxy-9-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-2,4,8,10,12,14-hexamethyl-6,15-dioxabicyclo[10.2.1]pentadec-1(14)-en-7-one
Molecular formula	C₃₇H₆₅NO₁₂
Molecular weight	715.9 g/mol
Exact mass	715.4507
Grade	Reference Standard
HSN code	38229090
InChIKey	JFVYXJKGJMUGRG-MGSLXKPGSA-N
SMILES	CC[C@@H]1[C@@]([C@@H]([C@H](C2=C(C[C@](O2)([C@@H]([C@H]([C@@H]([C@H](C(=O)O1)C)O[C@H]3C[C@@]([C@H]([C@@H](O3)C)O)(C)OC)C)O[C@H]4[C@@H]([C@H](C[C@H](O4)C)N(C)C)O)C)C)C)O)(C)O
PubChem CID	13041195

Physical properties
Physical form	Solid
LogP (XLogP3)	3.3
H-bond donors / acceptors	4 / 13
TPSA	166 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 Erythromycin Impurity E?

The CAS Registry Number of Erythromycin Impurity E is 857839-61-3. It is also known as Erythromycin Impurity 65, Erythromycin, 8,9-didehydro-9-deoxo-6-deoxy-6,9-epoxy-, (9S)-.

What is the molecular formula and molecular weight of Erythromycin Impurity E?

Erythromycin Impurity E has the molecular formula C37H65NO12 and a molecular weight of 715.9 g/mol.

What is Erythromycin Impurity E used for?

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

We supply Erythromycin 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 Erythromycin Impurity E?

Yes. Every lot of Erythromycin 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 Erythromycin Impurity E be shipped internationally?

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