Milbemycin A3 Oxime

Name: Milbemycin A3 Oxime
Brand: Vaqora Chemicals
SKU: VQ-031905

About Milbemycin A3 Oxime

Vaqora Chemicals supplies Milbemycin A3 Oxime, an impurity of Milbemycin registered under CAS number 114177-14-9. Formula C31H43NO7, molecular weight 541.7 g/mol.

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.

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. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Milbemycin A3 Oxime in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

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

Industries

Related to Milbemycin

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

Milbemycin impurities

Specifications & identifiers

Chemical identifiers
Product name	Milbemycin A3 Oxime
Catalogue No.	VQ-031905
CAS Number	114177-14-9
IUPAC name	(1R,4S,5'S,6R,6'R,8R,10E,13R,14E,16E,20R,24S)-24-hydroxy-21-hydroxyimino-5',6',11,13,22-pentamethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one
Molecular formula	C₃₁H₄₃NO₇
Molecular weight	541.7 g/mol
Exact mass	541.304
Grade	Reference Standard
HSN code	38229090
InChIKey	VDBGCWFGLMXRIK-FJZHFHHPSA-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(C5=NO)C)C(=O)O3)O)C)\C)O[C@@H]1C
PubChem CID	91617476

Physical properties
Physical form	Solid
LogP (XLogP3)	4.1
H-bond donors / acceptors	2 / 8
TPSA	107 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 Milbemycin A3 Oxime?

The CAS Registry Number of Milbemycin A3 Oxime is 114177-14-9. It is also known as (6R,25R)-5-Demethoxy-28-deoxy-6,28-epoxy-5-(hydroxyimino)-25-methylmilbemycin B, Milbemycin B, 5-demethoxy-28-deoxy-6,28-epoxy-5-(hydroxyimino)-25-methyl-, (6R,25R)-.

What is the molecular formula and molecular weight of Milbemycin A3 Oxime?

Milbemycin A3 Oxime has the molecular formula C31H43NO7 and a molecular weight of 541.7 g/mol.

What is Milbemycin A3 Oxime used for?

Milbemycin A3 Oxime 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 A3 Oxime can I order?

We supply Milbemycin A3 Oxime 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 A3 Oxime?

Yes. Every lot of Milbemycin A3 Oxime 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 A3 Oxime be shipped internationally?

Yes. We export Milbemycin A3 Oxime worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.