Spiramycin EP Impurity B

Name: Spiramycin EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-028110

About Spiramycin EP Impurity B

Listed under CAS 249930-66-3, Spiramycin EP Impurity B is a pharmacopeial impurity of Spiramycin available from Vaqora Chemicals. With the molecular formula C43H76N2O14, it has a molar mass of 845.1 g/mol. It is also known as Spiramycin impurity B or Spiramycin - Impurity B.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Spiramycin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Spiramycin EP Impurity B 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 Spiramycin

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

Spiramycin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Spiramycin EP Impurity B
Catalogue No.	VQ-028110
CAS Number	249930-66-3
IUPAC name	(4R,5S,6S,7R,9R,10R,11E,13E,16R)-6-[(2S,3R,4R,5S,6R)-5-[(2S,4R,5S,6S)-4,5-dihydroxy-4,6-dimethyloxan-2-yl]oxy-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-10-[(2R,5S,6R)-5-(dimethylamino)-6-methyloxan-2-yl]oxy-4-hydroxy-7-(2-hydroxyethyl)-5-methoxy-9,16-dimethyl-1-oxacyclohexadeca-11,13-dien-2-one
Molecular formula	C₄₃H₇₆N₂O₁₄
Molecular weight	845.1 g/mol
Exact mass	844.5297
Grade	Reference Standard
HSN code	38229090
InChIKey	IWOBTGVHVXKLCB-CEUOBAOPSA-N
SMILES	C[C@@H]1C/C=C/C=C/[C@@H]([C@@H](C[C@@H]([C@@H]([C@H]([C@@H](CC(=O)O1)O)OC)O[C@H]2[C@@H]([C@H]([C@@H]([C@H](O2)C)O[C@H]3C[C@@]([C@H]([C@@H](O3)C)O)(C)O)N(C)C)O)CCO)C)O[C@H]4CC[C@@H]([C@H](O4)C)N(C)C
PubChem CID	169446517

Physical properties
Physical form	Solid
LogP (XLogP3)	2.3
H-bond donors / acceptors	5 / 16
TPSA	199 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 Spiramycin EP Impurity B?

The CAS Registry Number of Spiramycin EP Impurity B is 249930-66-3. It is also known as Spiramycin impurity B, Spiramycin - Impurity B.

What is the molecular formula and molecular weight of Spiramycin EP Impurity B?

Spiramycin EP Impurity B has the molecular formula C43H76N2O14 and a molecular weight of 845.1 g/mol.

What is Spiramycin EP Impurity B used for?

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

We supply Spiramycin EP Impurity B 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 Spiramycin EP Impurity B?

Yes. Every lot of Spiramycin EP Impurity B 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 Spiramycin EP Impurity B be shipped internationally?

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