API Process Intermediates & Related Compounds

Withastramonolide

Name: Withastramonolide
Brand: Zemixal
SKU: ZX-042684

Available on request

Buy Withastramonolide (CAS 66873-31-2) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-042684.

Pack sizes

CAS number66873-31-2

FormulaC₂₈H₃₈O₇

Molar mass486.6 g/mol

Physical formSolid

InChIKeyZYXVOZNURJLMFP-BNNRDBEOSA-N

IUPAC name(1S,2S,4S,5R,10R,11S,13S,14R,15R,18S)-5,13-dihydroxy-15-[(1S)-1-[(2R)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-10,14-dimethyl-3-oxapentacyclo[9.7.0.02,4.05,10.014,18]octadec-7-en-9-one

About Withastramonolide

Withastramonolide is part of the Zemixal API Process Intermediates & Related Compounds range. For your records, the material is defined by CAS 66873-31-2, formula C28H38O7 and molar mass 486.6 g/mol. It is handled as a solid.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Storage and safety notes

Handle with the usual laboratory precautions and consult the SDS supplied with each lot.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Withaferin A

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

Withaferin A standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Withastramonolide
Product name	Withastramonolide
Catalogue number	ZX-042684
CAS number	66873-31-2
IUPAC name	(1S,2S,4S,5R,10R,11S,13S,14R,15R,18S)-5,13-dihydroxy-15-[(1S)-1-[(2R)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-10,14-dimethyl-3-oxapentacyclo[9.7.0.02,4.05,10.014,18]octadec-7-en-9-one
Molecular formula	C₂₈H₃₈O₇
Molar mass	486.6 g/mol
Exact mass	486.2618
Physical form	Solid
XLogP3	2.6
H-bond donors / acceptors	3 / 7
Topological polar surface area	117 Å²
InChIKey	ZYXVOZNURJLMFP-BNNRDBEOSA-N
SMILES	CC1=C(C(=O)O[C@H](C1)[C@@H](C)[C@H]2CC[C@@H]3[C@@]2([C@H](C[C@H]4[C@H]3[C@H]5[C@H](O5)[C@@]6([C@@]4(C(=O)C=CC6)C)O)O)C)CO
PubChem CID	21607602

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 Withastramonolide
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 Withastramonolide

Which CAS number identifies Withastramonolide?

Withastramonolide is registered under CAS 66873-31-2. Our catalogue number for this item is ZX-042684.

What are the formula and molar mass of Withastramonolide?

For Withastramonolide, its formula is C28H38O7 and its molar mass is 486.6 g/mol. InChIKey ZYXVOZNURJLMFP-BNNRDBEOSA-N lets you match it in any structure database.

How is Withastramonolide used in pharmaceutical QC?

Withastramonolide is a characterised reference material linked to Withaferin A. 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 Withastramonolide?

The grade and assay are confirmed on the quotation and the batch COA. 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 Withastramonolide?

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 Withastramonolide to my country?

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

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