Zymosterol

Name: Zymosterol
Brand: Vaqora Chemicals
SKU: VQ-036283

About Zymosterol

Zymosterol (CAS 128-33-6) is an impurity of Cholesterol offered by Vaqora Chemicals. Formula C27H44O, molecular weight 384.6 g/mol. Alternative names: 5alpha-Cholesta-8,24-dien-3beta-ol and 5-alpha-Cholesta-8,24-dien-3-beta-ol.

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.

This Cholesterol impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Zymosterol is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

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

Industries

Related to Cholesterol

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

Cholesterol impurities

Specifications & identifiers

Chemical identifiers
Product name	Zymosterol
Catalogue No.	VQ-036283
CAS Number	128-33-6
IUPAC name	(3S,5S,10S,13R,14R,17R)-10,13-dimethyl-17-[(2R)-6-methylhept-5-en-2-yl]-2,3,4,5,6,7,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
Molecular formula	C₂₇H₄₄O
Molecular weight	384.6 g/mol
Exact mass	384.3392
Grade	Reference Standard
HSN code	38229090
InChIKey	CGSJXLIKVBJVRY-XTGBIJOFSA-N
SMILES	C[C@H](CCC=C(C)C)[C@H]1CC[C@@H]2[C@@]1(CCC3=C2CC[C@@H]4[C@@]3(CC[C@@H](C4)O)C)C
PubChem CID	92746

Physical properties
Physical form	Solid
LogP (XLogP3)	7.5
H-bond donors / acceptors	1 / 1
TPSA	20.2 Å²
Synonyms	5alpha-Cholesta-8,24-dien-3beta-ol, 5-alpha-Cholesta-8,24-dien-3-beta-ol, delta8,24-Cholestadien-3beta-ol, zymostrol, 5.alpha.-Cholesta-8,24-dien-3.beta.-ol, Cholesta-8,24-dien-3-ol, Cholesta-8,24-dien-3-ol #, Cholest-8,24-dien-3.beta.-ol, Cholest-8,24-dien-3b-ol, delta8, 24-cholestadien-3beta-ol, (3b,5a)- Cholesta-8,24-dien-3-ol

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 Zymosterol?

The CAS Registry Number of Zymosterol is 128-33-6. It is also known as 5alpha-Cholesta-8,24-dien-3beta-ol, 5-alpha-Cholesta-8,24-dien-3-beta-ol, delta8,24-Cholestadien-3beta-ol.

What is the molecular formula and molecular weight of Zymosterol?

Zymosterol has the molecular formula C27H44O and a molecular weight of 384.6 g/mol. Its IUPAC name is (3S,5S,10S,13R,14R,17R)-10,13-dimethyl-17-[(2R)-6-methylhept-5-en-2-yl]-2,3,4,5,6,7,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol.

What is Zymosterol used for?

Zymosterol is supplied as a characterised reference material related to Cholesterol. 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 Zymosterol can I order?

We supply Zymosterol 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 Zymosterol?

Yes. Every lot of Zymosterol 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 Zymosterol be shipped internationally?

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