Date published: 2026-5-21

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CT-R Inhibitors

CT-R (Complement Terminal Complex Regulator) Inhibitors constitute a distinct chemical class characterized by their ability to modulate the activity of the complement system, a crucial component of the immune system involved in the recognition and elimination of pathogens. The complement system is comprised of a cascade of proteins that work together to enhance the immune response. At the final stages of this cascade, the formation of the membrane attack complex (MAC) is a pivotal step, leading to the lysis of targeted cells. CT-R Inhibitors specifically target the regulatory mechanisms associated with the terminal pathway of the complement system, exerting a regulatory influence on the formation and stability of the MAC. Chemically, CT-R Inhibitors often interact with key components of the complement system, such as C5 and other downstream proteins, preventing the assembly of the membrane attack complex. By disrupting this terminal step, these inhibitors modulate the immune response, potentially mitigating excessive or inappropriate activation of the complement system. This class of compounds plays a role in fine-tuning the delicate balance between immune defense and self-preservation, as an overactive complement system can contribute to various autoimmune disorders and inflammatory conditions.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Capsaicin

404-86-4sc-3577
sc-3577C
sc-3577D
sc-3577A
50 mg
250 mg
500 mg
1 g
$96.00
$160.00
$240.00
$405.00
26
(1)

May modulate calcium channels and indirectly influence CALCR signaling through intracellular calcium levels.

Nifedipine

21829-25-4sc-3589
sc-3589A
1 g
5 g
$59.00
$173.00
15
(1)

A calcium channel blocker that can decrease intracellular calcium, potentially impacting CALCR signaling indirectly.

Rimonabant Hydrochloride

158681-13-1sc-212786
10 mg
$166.00
1
(1)

Originally developed as a cannabinoid receptor antagonist, it could theoretically alter the endocannabinoid system, which may have a downstream effect on CALCR activity.

Caffeine

58-08-2sc-202514
sc-202514A
sc-202514B
sc-202514C
sc-202514D
50 g
100 g
250 g
1 kg
5 kg
$33.00
$67.00
$97.00
$192.00
$775.00
13
(1)

As a phosphodiesterase inhibitor, caffeine elevates cAMP levels which can influence G protein-coupled receptor signaling, including CALCR.

Zoledronic acid, anhydrous

118072-93-8sc-364663
sc-364663A
25 mg
100 mg
$92.00
$256.00
5
(0)

A bisphosphonate that inhibits osteoclast activity, thereby indirectly affecting bone resorption influenced by CALCR.

Conjugated Estrogen

12126-59-9sc-357319
sc-357319A
25 mg
100 mg
$153.00
$468.00
(0)

Hormones like estrogen can have a regulatory effect on CALCR expression and function in bone tissue.

Alendronate acid

66376-36-1sc-337520
5 g
$135.00
2
(0)

Another bisphosphonate that can indirectly decrease bone resorption, a process in which CALCR is involved.