Rebaudioside B

Name: Rebaudioside B
Brand: Vaqora Chemicals
SKU: VQ-033478

About Rebaudioside B

Vaqora Chemicals supplies Rebaudioside B, an impurity of Rebaudioside registered under CAS number 58543-17-2. With the molecular formula C38H60O18, it has a molar mass of 804.9 g/mol. Common synonyms include Stevioside A4 and Reb B.

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 Rebaudioside impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Rebaudioside B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Rebaudioside

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

Rebaudioside impurities

Specifications & identifiers

Chemical identifiers
Product name	Rebaudioside B
Catalogue No.	VQ-033478
CAS Number	58543-17-2
IUPAC name	(1R,4S,5R,9S,10R,13S)-13-[(2S,3R,4S,5R,6R)-5-hydroxy-6-(hydroxymethyl)-3,4-bis[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]oxan-2-yl]oxy-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.01,10.04,9]hexadecane-5-carboxylic acid
Molecular formula	C₃₈H₆₀O₁₈
Molecular weight	804.9 g/mol
Exact mass	804.378
Grade	Reference Standard
HSN code	38229090
InChIKey	DRSKVOAJKLUMCL-MMUIXFKXSA-N
SMILES	C[C@@]12CCC[C@@]([C@H]1CC[C@]34[C@H]2CC[C@](C3)(C(=C)C4)O[C@H]5[C@@H]([C@H]([C@@H]([C@H](O5)CO)O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O)O[C@H]7[C@@H]([C@H]([C@@H]([C@H](O7)CO)O)O)O)(C)C(=O)O
PubChem CID	21593623

Physical properties
Physical form	Solid
LogP (XLogP3)	-1
H-bond donors / acceptors	11 / 18
TPSA	295 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 Rebaudioside B?

The CAS Registry Number of Rebaudioside B is 58543-17-2. It is also known as Stevioside A4, Reb B, Rebaudioside BStevioside A4.

What is the molecular formula and molecular weight of Rebaudioside B?

Rebaudioside B has the molecular formula C38H60O18 and a molecular weight of 804.9 g/mol.

What is Rebaudioside B used for?

Rebaudioside B is supplied as a characterised reference material related to Rebaudioside. 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 Rebaudioside B can I order?

We supply Rebaudioside B 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 Rebaudioside B?

Yes. Every lot of Rebaudioside B 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 Rebaudioside B be shipped internationally?

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