β-Lactose

Name: β-Lactose
Brand: Vaqora Chemicals
SKU: VQ-039274

About β-Lactose

Vaqora Chemicals supplies β-Lactose, a carbohydrate registered under CAS number 5965-66-2. Its molecular formula is C12H22O11 and its molecular weight is 342.3 g/mol. Common synonyms include Beta-Lactose and beta-D-Lactose.

Store sealed in a dry, well-ventilated location away from incompatible materials. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Key uses span glycobiology research, microbiology media and biochemical assays. It is used across academic and industrial research and diagnostics and biotechnology.

Vaqora Chemicals supplies β-Lactose in 100 mg, 250 mg, 1 g and 5 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Glycobiology research
Microbiology media
Biochemical assays

Industries

Specifications & identifiers

Chemical identifiers
Product name	β-Lactose
Catalogue No.	VQ-039274
CAS Number	5965-66-2
IUPAC name	(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol
Molecular formula	C₁₂H₂₂O₁₁
Molecular weight	342.3 g/mol
Exact mass	342.1162
InChIKey	GUBGYTABKSRVRQ-DCSYEGIMSA-N
SMILES	C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2O)O)O)CO)O)O)O)O
PubChem CID	6134

Physical properties
Physical form	Other
LogP (XLogP3)	-4.7
H-bond donors / acceptors	8 / 11
TPSA	190 Å²
Synonyms	Beta-Lactose, beta-D-Lactose, D-Lactose, 4-O-beta-D-Galactopyranosyl-beta-D-glucopyranose, .beta.-Lactose, Milk sugar, beta-D-Glucopyranose, 4-O-beta-D-galactopyranosyl-, beta-D-galactopyranosyl-(1->4)-beta-D-glucopyranose, 4-(beta-D-Galactosido)-D-glucose, GlyTouCan:G84224TW

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 β-Lactose?

The CAS Registry Number of β-Lactose is 5965-66-2. It is also known as Beta-Lactose, beta-D-Lactose, D-Lactose.

What is the molecular formula and molecular weight of β-Lactose?

β-Lactose has the molecular formula C12H22O11 and a molecular weight of 342.3 g/mol. Its IUPAC name is (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol.

Which grade and pack sizes of β-Lactose can I order?

We supply β-Lactose, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with β-Lactose?

Yes. Every lot of β-Lactose 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 β-Lactose be shipped internationally?

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