Milbemycin EP Impurity C

Name: Milbemycin EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-031903

About Milbemycin EP Impurity C

Vaqora Chemicals supplies Milbemycin EP Impurity C, a pharmacopeial impurity of Milbemycin registered under CAS number 77855-81-3. With the molecular formula C33H48O7, it has a molar mass of 556.7 g/mol. Common synonyms include Milbemycin EP Impurity C (Free Base) and Milbemycin Oxime - Impurity C.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Milbemycin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. 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 Milbemycin

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

Milbemycin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Milbemycin EP Impurity C
Catalogue No.	VQ-031903
CAS Number	77855-81-3
IUPAC name	(1R,4S,5'S,6R,6'R,8R,10E,13R,14E,16E,20R,21R,24S)-21,24-dihydroxy-5',11,13,22-tetramethyl-6'-propan-2-ylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one
Molecular formula	C₃₃H₄₈O₇
Molecular weight	556.7 g/mol
Exact mass	556.34
Grade	Reference Standard
HSN code	38229090
InChIKey	BWCRYQGQPDBOAU-WZBVPYLGSA-N
SMILES	C[C@H]1CC[C@]2(C[C@@H]3C[C@H](O2)C/C=C(/C[C@H](/C=C/C=C/4\CO[C@H]5[C@@]4([C@@H](C=C([C@H]5O)C)C(=O)O3)O)C)\C)O[C@@H]1C(C)C
PubChem CID	6440579

Physical properties
Physical form	Solid
LogP (XLogP3)	4.1
H-bond donors / acceptors	2 / 7
TPSA	94.5 Å²
Synonyms	Milbemycin EP Impurity C (Free Base), Milbemycin Oxime - Impurity C, Milbemycin D, Antibiotic B 41D, B 41D, Milbemycin B, 5-O-demethyl-28-deoxy-6,28-epoxy-25-(1-methylethyl)-, (6R,25R)-, (6R,25)-5-O-Demethyl-28-deoxy-6,28-epoxy-25-(1-methylethyl)milbemycin B, (6R,25R)-5-O-demethyl-28-deoxy-6,28-epoxy-25-(1-methylethyl)milbemycin B, 5-O-demethyl-28-deoxy-6R,28-epoxy-25R-(1-methylethyl)-milbemycin B

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 Milbemycin EP Impurity C?

The CAS Registry Number of Milbemycin EP Impurity C is 77855-81-3. It is also known as Milbemycin EP Impurity C (Free Base), Milbemycin Oxime - Impurity C, Milbemycin D.

What is the molecular formula and molecular weight of Milbemycin EP Impurity C?

Milbemycin EP Impurity C has the molecular formula C33H48O7 and a molecular weight of 556.7 g/mol.

What is Milbemycin EP Impurity C used for?

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

We supply Milbemycin EP Impurity C 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 Milbemycin EP Impurity C?

Yes. Every lot of Milbemycin EP Impurity C 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 Milbemycin EP Impurity C be shipped internationally?

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