Caspase-3 Selective Inhibitors | Activators | Modulators

Catalog No. Product Name Information Selective / Pan IC50 / Ki
S2738 PAC-1

PAC-1 is a potent procaspase-3 activator with EC50 of 0.22 μM and the first small molecule known to directly activate procaspase-3 to caspase-3.

Selective Procaspase-3, EC50: 0.22 μM
S2927 Apoptosis Activator 2

Apoptosis Activator 2 strongly induces caspase-3 activation, PARP cleavage, and DNA fragmentation which leads to the destruction of cells (Apaf-1 dependent) with IC50 of ~4 μM, inactive to HMEC, PREC, or MCF-10A cells.

S2417 20-Hydroxyecdysone

20-Hydroxyecdysone (Ecdysterone, 20E, B-ecdysone, Commisterone, Crustecdysone) is a naturally occurring ecdysteroid hormone which controls the ecdysis (moulting) and metamorphosis of arthropods.20-Hydroxyecdysone (Ecdysterone, 20E) inhibits caspase activity and induces autophagy via the 20E nuclear receptor complex, EcR-USP.


Z-DEVD-FMK (Caspase-3 Inhibitor) is a specific, irreversible Caspase-3 inhibitor, and also shows potent inhibition on caspase-6, caspase-7, caspase-8, and caspase-10.

S3267 Kaempferol-3-O-rutinoside

Kaempferol-3-O-rutinoside (Nicotiflorin, Nikotoflorin, Kaempferol 3-O-β-rutinoside), a flavonoid extracted from Carthamus tinctorius, alters the shape and structure of injured neurons, decreases the number of apoptotic cells, down-regulates expression of p-JAK2, p-STAT3, caspase-3, and Bax and decreases Bax immunoredactivity, and increases Bcl-2 protein expression and immunoreactivity.

S0913 4',5,7-Trimethoxyflavone

4',5,7-Trimethoxyflavone (5,​7,​4'-​Trimethoxyflavone, TMF) is a flavonoid isolated from Kaempferia parviflora (KP) that induces apoptosis. 4',5,7-Trimethoxyflavone increases sub-G1 phase, DNA fragmentation, annexin-V/PI staining and Bax/Bcl-xL ratio, activates caspase-3 and degrades poly (ADP-ribose) polymerase (PARP) protein.

S4513 RGD peptide (GRGDNP)

RGD peptide (GRGDNP) is an inhibitor of binding of integrins to the extracellular matrixs. RGD peptide (GRGDNP) induces apoptosis presumably through direct activation of caspase-3.


Ac-DEVD-CHO (Caspase-3 Inhibitor I, N-Ac-Asp-Glu-Val-Asp-CHO) is a potent aldehyde inhibitor of Group II caspases with Ki values of 0.2 nM and 0.3 nM for for caspase-3 and caspase-7, respectively. Weak inhibition for caspase-2.

Pan Caspase-3, Ki: 230 pM
S7311 Q-VD-Oph

Q-VD-Oph (Quinoline-Val-Asp-Difluorophenoxymethylketone) is a potent pan-caspase inhibitor with IC50 ranged from 25 to 400 nM for caspases 1,3,8, and 9. Q-VD-OPh can inhibits HIV infection.

Pan Caspase-3, IC50: 25 nM-400 nM
S5584 Citronellol

Citronellol (Dihydrogeraniol, (±)-β-Citronellol), a constituent of rose and geranium oils, is used in perfumes and insect repellents. Citronellol can cause necrotic apoptosis of NCI-H1299 cells by up-regulating TNF-α, RIP1 / RIP3 activities, and down-regulating caspase-3 / caspase-8 activities. Citronellol also results in a biphasic increase in ROS production at 1 h and at 12 h in NCI-H1299 cells.

S3275 Senkyunolide I

Senkyunolide I (SEI, SENI) is an orally active compound isolated from Ligusticum chuanxiong with analgesic, anti-migraine, neuroprotective, anti-oxidation and anti-apoptosis activities. Senkyunolide I (SEI, SENI) up-regulates the phosphorylation of Erk1/2 and induces Nrf2 nuclear translocation with enhanced HO-1 and NQO1 expressions. Senkyunolide I (SEI, SENI) promotes the ratio of Bcl-2/Bax and inhibits the expressions of cleaved caspase 3 and caspase 9.

S3238 Resibufogenin

Resibufogenin (Bufogenin, Recibufogenin), a component of huachansu with anticancer effect, triggers necroptosis through upregulating receptor-interacting protein kinase 3 (RIP3) and phosphorylating mixed lineage kinase domain-like protein at Ser358. Resibufogenin exerts cytotoxic effect by inducing reactive oxygen species (ROS) accumulation. Resibufogenin induces apoptosis and caspase-3 and caspase-8 activity. Resibufogenin increases Bax/Bcl-2 exp

S3224 Cinobufagin

Cinobufagin (Cinobufagine), an active ingredient of Venenum Bufonis, inhibits tumor development. Cinobufagin increases ATM and Chk2 and decreases CDC25C, CDK1, and cyclin B. Cinobufagin inhibits PI3K, AKT and Bcl-2 while increases levels of cleaved caspase-9 and caspase-3. Thus, Cinobufagin induces cell cycle arrest at the G2/M phase and apoptosis.

S2271 Berberine chloride (NSC 646666)

Berberine chloride (NSC 646666, Natural Yellow 18) is a quaternary ammonium salt from the group of isoquinoline alkaloids. Berberine activates caspase 3 and caspase 8, cleavage of poly ADP-ribose polymerase (PARP) and the release of cytochrome c. Berberine chloride decreases the expression of c-IAP1, Bcl-2 and Bcl-XL. Berberine chloride induces apoptosis with sustained phosphorylation of JNK and p38 MAPK, as well as generation