Isosteviol

Name: Isosteviol
Brand: Vaqora Chemicals
SKU: VQ-050891

About Isosteviol

Vaqora Chemicals supplies Isosteviol, an impurity of Steviol registered under CAS number 27975-19-5. Its molecular formula is C20H30O3 and its molecular weight is 318.4 g/mol. Systematically, it is named (1R,4S,5R,9S,10R,13S)-5,9,13-trimethyl-14-oxotetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acid. Alternative names: Ketoisostevic Acid and ent-16-ketobeyeran-19-oic acid.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

This Steviol impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Isosteviol is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Steviol

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

Steviol impurities

Specifications & identifiers

Chemical identifiers
Product name	Isosteviol
Catalogue No.	VQ-050891
CAS Number	27975-19-5
IUPAC name	(1R,4S,5R,9S,10R,13S)-5,9,13-trimethyl-14-oxotetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acid
Molecular formula	C₂₀H₃₀O₃
Molecular weight	318.4 g/mol
Exact mass	318.2195
Grade	Reference Standard
HSN code	38229090
InChIKey	KFVUFODCZDRVSS-XGBBNYNSSA-N
SMILES	C[C@]12CC[C@H]3[C@@]4(CCC[C@@]([C@H]4CC[C@@]3(C1)CC2=O)(C)C(=O)O)C
PubChem CID	99514

Physical properties
Physical form	Solid
LogP (XLogP3)	4.3
H-bond donors / acceptors	1 / 3
TPSA	54.4 Å²
Synonyms	Ketoisostevic Acid, ent-16-ketobeyeran-19-oic acid, Isosteriol, 17-Nor-8-beta,13-beta-kauran-18-oic acid, 13-methyl-16-oxo-, (4-alpha,8-beta,13-beta)-13-Methyl-16-oxo-17-norkauran-18-oic acid, 17-Norkauran-18-oic acid, 13-methyl-16-oxo-, (4-alpha,8-beta,13-beta)-, 16-oxobeyeran-18-oic acid, (4, A,8, A,13, A)-13--Methyl-16-oxo-17-norkauran-18-oic acid, (4alpha,8beta,13beta)-13-methyl-16-oxo-17-norkauran-18-oic acid

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 Isosteviol?

The CAS Registry Number of Isosteviol is 27975-19-5. It is also known as Ketoisostevic Acid, ent-16-ketobeyeran-19-oic acid, Isosteriol.

What is the molecular formula and molecular weight of Isosteviol?

Isosteviol has the molecular formula C20H30O3 and a molecular weight of 318.4 g/mol. Its IUPAC name is (1R,4S,5R,9S,10R,13S)-5,9,13-trimethyl-14-oxotetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acid.

What is Isosteviol used for?

Isosteviol is supplied as a characterised reference material related to Steviol. 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 Isosteviol can I order?

We supply Isosteviol 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 Isosteviol?

Yes. Every lot of Isosteviol 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 Isosteviol be shipped internationally?

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