Milbemycin A4

Name: Milbemycin A4
Brand: Zemixal
SKU: ZX-025623

Reference StandardAvailable on request

Order Milbemycin A4 (CAS 51596-11-3) online at Zemixal: C32H46O7, COA and SDS with every lot, worldwide shipping. Part of our API Impurities range.

Pack sizes

CAS number51596-11-3

FormulaC₃₂H₄₆O₇

Molar mass542.7 g/mol

Physical formSolid

HS code38229090

InChIKeyVOZIAWLUULBIPN-LRBNAKOISA-N

IUPAC name(1R,4S,5'S,6R,6'R,8R,10E,13R,14E,16E,20R,21R,24S)-6'-ethyl-21,24-dihydroxy-5',11,13,22-tetramethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one

About Milbemycin A4

Analytical teams working on Milbemycin use Milbemycin A4 as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 51596-11-3, formula C32H46O7 and molar mass 542.7 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Milbemycin

See every impurity, metabolite and related compound we list for this API.

Milbemycin standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Milbemycin A4
Product name	Milbemycin A4
Catalogue number	ZX-025623
CAS number	51596-11-3
IUPAC name	(1R,4S,5'S,6R,6'R,8R,10E,13R,14E,16E,20R,21R,24S)-6'-ethyl-21,24-dihydroxy-5',11,13,22-tetramethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one
Molecular formula	C₃₂H₄₆O₇
Molar mass	542.7 g/mol
Exact mass	542.3244
Grade	Reference Standard
Physical form	Solid
XLogP3	3.6
H-bond donors / acceptors	2 / 7
Topological polar surface area	94.5 Å²
HS code	38229090
InChIKey	VOZIAWLUULBIPN-LRBNAKOISA-N
SMILES	CC[C@@H]1[C@H](CC[C@@]2(O1)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)C
PubChem CID	9959038
Synonyms	Milbemycin B, 5-O-demethyl-28-deoxy-6,28-epoxy-25-ethyl-, (6R,25R)-, milbemycin alpha3, Milbemectin M.A4, (6R,25R)-5-O-Demethyl-28-deoxy-6,28-epoxy-25-ethylmilbemycin B, EX-A6841

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Milbemycin A4
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Milbemycin A4

Which CAS number identifies Milbemycin A4?

Milbemycin A4 is registered under CAS 51596-11-3. You may also see it listed as Milbemycin B, 5-O-demethyl-28-deoxy-6,28-epoxy-25-ethyl-, (6R,25R)-, milbemycin alpha3, Milbemectin M.A4. Our catalogue number for this item is ZX-025623.

What are the formula and molar mass of Milbemycin A4?

For Milbemycin A4, its formula is C32H46O7 and its molar mass is 542.7 g/mol. InChIKey VOZIAWLUULBIPN-LRBNAKOISA-N lets you match it in any structure database.

How is Milbemycin A4 used in pharmaceutical QC?

Milbemycin A4 is a characterised reference material linked to Milbemycin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Milbemycin A4?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Milbemycin A4?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Milbemycin A4 to my country?

Yes. Milbemycin A4 ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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