Date published: 2026-5-28

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Glucosidase I Inhibitors

Glucosidase I inhibitors represent a chemical class of compounds known for their ability to modulate specific enzymatic processes within the realm of carbohydrate metabolism. These inhibitors primarily target an essential enzyme called glucosidase I, which plays a crucial role in the maturation of glycoproteins within the endoplasmic reticulum (ER). In the process of glycoprotein biosynthesis, proteins undergo post-translational modification, during which they become glycosylated through the attachment of sugar moieties. Glucosidase I is a pivotal player in this glycosylation process, responsible for cleaving a glucose residue from the oligosaccharide precursor attached to newly synthesized proteins.The mechanism of action of glucosidase I inhibitors revolves around their interference with the enzymatic activity of glucosidase I. These compounds typically exhibit competitive or reversible inhibition, binding to the active site of the enzyme, and impeding its ability to catalyze the removal of glucose residues. Consequently, this inhibition leads to the accumulation of incompletely glycosylated proteins within the ER, impacting protein folding and quality control mechanisms. It's important to note that the primary significance of these inhibitors lie in their role as valuable tools for studying glycoprotein biosynthesis and the ER quality control system within cells. Researchers use glucosidase I inhibitors to dissect the intricacies of protein glycosylation, contributing to a deeper understanding of cellular biology and protein processing pathways. In summary, glucosidase I inhibitors serve as vital chemical entities for elucidating the molecular mechanisms underlying glycoprotein biosynthesis, offering valuable insights into the fundamental processes that govern protein maturation and quality control within the ER.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Castanospermine

79831-76-8sc-201358
sc-201358A
100 mg
500 mg
$184.00
$632.00
10
(1)

Castanospermine acts as a glucosidase I inhibitor, showcasing a unique ability to disrupt glycoprotein processing by binding to the enzyme's active site. Its structural conformation allows for specific interactions with key amino acid residues, altering the enzyme's catalytic efficiency. The compound exhibits distinct reaction kinetics, characterized by a competitive inhibition mechanism that influences substrate turnover rates. Additionally, its stereochemistry contributes to selective binding, enhancing its specificity in enzymatic pathways.

N-Butyldeoxynojirimycin·HCl

210110-90-0sc-201398
sc-201398A
sc-201398B
5 mg
25 mg
50 mg
$180.00
$550.00
$985.00
4
(1)

N-Butyldeoxynojirimycin·HCl functions as a glucosidase I inhibitor, exhibiting a unique capacity to modulate glycoprotein biosynthesis. Its molecular structure facilitates strong interactions with the enzyme's active site, leading to significant alterations in enzymatic activity. The compound's kinetic profile reveals a non-competitive inhibition mechanism, impacting substrate affinity and turnover. Furthermore, its solubility characteristics enhance its accessibility in biochemical environments, influencing its interaction dynamics.

Acarbose

56180-94-0sc-203492
sc-203492A
1 g
5 g
$226.00
$605.00
1
(1)

Acts as a competitive inhibitor of alpha-glucosidases, preventing the breakdown of complex carbohydrates into glucose in the small intestine, thereby reducing post-meal blood sugar spikes.

N-Cyclohexylpropyl Deoxynojirimycin

133342-48-0sc-208015
2.5 mg
$380.00
(0)

N-Cyclohexylpropyl Deoxynojirimycin acts as a glucosidase I inhibitor, characterized by its ability to disrupt glycan processing pathways. The compound's unique cyclohexyl and propyl substituents enhance its binding affinity to the enzyme, promoting conformational changes that hinder substrate access. Its reaction kinetics suggest a mixed inhibition model, affecting both enzyme activity and substrate binding. Additionally, its hydrophobic properties may influence membrane interactions, altering cellular uptake and distribution.

Miglitol

72432-03-2sc-221943
10 mg
$161.00
1
(1)

Inhibits alpha-glucosidases in the small intestine, delaying the digestion of carbohydrates, which lowers the rate of glucose absorption into the bloodstream after meals.

Voglibose

83480-29-9sc-204384
sc-204384A
10 mg
50 mg
$198.00
$681.00
(1)

Works as an alpha-glucosidase inhibitor, slowing the digestion of carbohydrates in the intestine and reducing postprandial blood glucose levels.

Deoxynojirimycin

19130-96-2sc-201369
sc-201369A
1 mg
5 mg
$73.00
$145.00
(0)

Acts as a reversible inhibitor of alpha-glucosidases, hindering the conversion of complex carbohydrates into glucose, thus lowering blood sugar levels post-meal.

Zebularine

3690-10-6sc-203315
sc-203315A
sc-203315B
10 mg
25 mg
100 mg
$129.00
$284.00
$1004.00
3
(1)

An inhibitor of trehalase, a type of glucosidase, which prevents the conversion of trehalose to glucose in certain organisms, impacting carbohydrate metabolism.

Isofagomine D-Tartrate

957230-65-8sc-207767
sc-207767A
sc-207767C
sc-207767B
5 mg
10 mg
50 mg
25 mg
$387.00
$724.00
$2015.00
$1223.00
(1)

Inhibits glucosylceramidase, an enzyme involved in glycosphingolipid metabolism.

Nojirimycin-1-Sulfonic Acid

114417-84-4sc-208102
10 mg
$420.00
(0)

Inhibits alpha-glucosidases, preventing the hydrolysis of carbohydrates in the small intestine, thus reducing the rate of glucose absorption following meals.