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beta-D-Lactose, ca 80% beta and 20% alpha

Product Code. 10528132 Shop All Thermo Scientific Chemicals Products
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500 g
2 kg
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Plastic bottle
Unit Size:
2kg
500g
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Product Code. 10528132 Supplier Thermo Scientific Acros Supplier No. 412985000
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Descripción

Beta-D-Lactose, CAS # 5965-66-2, is the beta anomer of the disaccharide lactose. | CAS: 5965-66-2 | C12H22O11 | 342.30 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

General Description

• Beta-D-Lactose is a disaccharide composed of galactose and glucose monomers

• In beta-D-Lactose, the orientation of the glycosidic linkages are primarily in beta form

Applications

• Beta-D-Lactose is useful for laboratory research on sugar metabolism in microbes and other organisms

• Beta-D-Lactose has been used in some laboratory studies as a carrier for inhalants because of its ability to form spherical agglomerates

TRUSTED_SUSTAINABILITY

Identificadores de productos químicos

CAS 5965-66-2
Molecular Formula C12H22O11
Molecular Weight (g/mol) 342.30
MDL Number MFCD00064521
InChI Key GUBGYTABKSRVRQ-DCSYEGIMSA-N
Synonym beta-d-lactose, beta-lactose, lactose, lactose, anhydrous, fast-flo lactose, milk sugar, d-lactose, 4-o-beta-d-galactopyranosyl-beta-d-glucopyranose, fast-flo, lactose anhydrous
PubChem CID 6134
ChEBI CHEBI:36218
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
SMILES OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O

Especificaciones

Acidity 0.4mL 0.1N NaOH/6g max.
Absorbance Passes Test (per Eur. Pharm.)
Color White
Loss on Drying 0.5% max. (1 g, 80°C, 2 hrs)
Infrared Spectrum Authentic
Packaging Plastic bottle
Quantity 500 g
Specific Rotation Condition +55.15° (20°C c=10,water,NH3)
Specific Rotation On anhydrous basis: +54.4° to +55.9° (20°C, 589nm) (c=10, H2O/NH3)
Formula Weight 342.29
Percent Purity ≥78% (beta-lactose), 22% max. (alpha-lactose)
Physical Form Crystalline Powder
Chemical Name or Material β-D-Lactose
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RUO – Research Use Only

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