Date published: 2026-4-1

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CHSY3 Inhibitors

CHSY3 inhibitors can modulate the activity of CHSY3, either directly or, more commonly, through indirect means. Their primary focus is the disruption of chondroitin sulfate (CS) synthesis, given CHSY3's pivotal role in this process. Many of these inhibitors, such as various xyloside analogs like PNP-XT, Benzyl-4-O-xyloside, and 4-Methylumbelliferyl β-D-xyloside, compete with natural primers for CS synthesis. By doing so, they can lead to the production of CS chains that differ in length or structure from the norm. Others, like genistein, exert their effects by targeting pathways and enzymes upstream of CHSY3, impacting its substrate availability. Furthermore, compounds like chlorate disrupt the sulfation processes crucial for CS's molecular structure. When the structural integrity of CS is compromised, CHSY3's contribution to its synthesis can be influenced.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Genistein

446-72-0sc-3515
sc-3515A
sc-3515B
sc-3515C
sc-3515D
sc-3515E
sc-3515F
100 mg
500 mg
1 g
5 g
10 g
25 g
100 g
$45.00
$164.00
$200.00
$402.00
$575.00
$981.00
$2031.00
46
(1)

Genistein, a tyrosine kinase inhibitor, has been shown to reduce chondroitin sulfate synthesis in certain cell types. By inhibiting certain kinases, genistein can affect the pathways leading up to CHSY3's activity in CS synthesis.

Swainsonine

72741-87-8sc-201362
sc-201362C
sc-201362A
sc-201362D
sc-201362B
1 mg
2 mg
5 mg
10 mg
25 mg
$138.00
$251.00
$631.00
$815.00
$1832.00
6
(1)

Swainsonine inhibits mannose 6-phosphate isomerase, affecting oligosaccharide synthesis. As oligosaccharides serve as substrates for chondroitin sulfate synthesis, this can indirectly modulate CHSY3 activity.

4-Methylumbelliferyl-β-D-xylopyranoside

6734-33-4sc-220964
sc-220964A
25 mg
100 mg
$71.00
$233.00
(0)

Another xyloside analog that can act as an alternative primer for CS chain initiation, potentially leading to altered CS synthesis and indirectly modulating CHSY3.

4-Nitrophenyl-β-D- xylopyranoside

2001-96-9sc-281430
sc-281430A
500 mg
1 g
$268.00
$493.00
(0)

This compound is a known inhibitor of beta4GalT7, an enzyme involved in the initiation of CS chain synthesis. Inhibition of this upstream enzyme can indirectly reduce CHSY3's substrate availability.

Rhodamine B

81-88-9sc-203756
sc-203756A
sc-203756B
25 g
100 g
500 g
$37.00
$73.00
$226.00
6
(1)

It has been found to reduce glycosaminoglycan synthesis, including chondroitin sulfate, in some settings. Inhibiting the synthesis process can indirectly impact CHSY3 activity.

Sodium chlorate

7775-09-9sc-212938
100 g
$59.00
1
(0)

Chlorate can inhibit sulfation processes, which are necessary for chondroitin sulfate's structure. Disrupting sulfation indirectly affects CS synthesis and CHSY3's role therein.