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Ac-VAD-CHO [Caspase Inhibitor II]

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Physical properties
Molecular weight329.35
Storage, safety and handling
H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure


Molecular weight
Z-VAD-CHO, also generically called as "Caspase Inhibitor II", is a cell-permeable, reversible pan-caspase inhibitor, blocks all features of apoptosis in THP.1 and Jurkat T-cells.


Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of Ac-VAD-CHO [Caspase Inhibitor II] to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

0.1 mg0.5 mg1 mg5 mg10 mg
1 mM303.628 µL1.518 mL3.036 mL15.181 mL30.363 mL
5 mM60.726 µL303.628 µL607.257 µL3.036 mL6.073 mL
10 mM30.363 µL151.814 µL303.628 µL1.518 mL3.036 mL

Molarity calculator

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View all 8 references: Citation Explorer
Identification of active caspases using affinity-based probes.
Authors: McStay, Gavin P and Green, Douglas R
Journal: Cold Spring Harbor protocols (2014): 856-60
Induction of apoptosis in human renal cell carcinoma cells by vitamin E succinate in caspase-independent manner.
Authors: Wu, Xiu-Xian and Kakehi, Yoshiyuki and Jin, Xing-Hua and Inui, Masashi and Sugimoto, Mikio
Journal: Urology (2009): 193-9
Induction of apoptosis in renal tubular cells by histone deacetylase inhibitors, a family of anticancer agents.
Authors: Dong, Guie and Wang, Lysa and Wang, Cong-Yi and Yang, Tianxin and Kumar, M Vijay and Dong, Zheng
Journal: The Journal of pharmacology and experimental therapeutics (2008): 978-84
Metformin induces apoptosis of pancreatic cancer cells.
Authors: Wang, Luo-Wei and Li, Zhao-Shen and Zou, Duo-Wu and Jin, Zhen-Dong and Gao, Jun and Xu, Guo-Ming
Journal: World journal of gastroenterology (2008): 7192-8
Apoptosis of gastric cancer cell line MKN45 by photodynamic treatment with photofrin.
Authors: Takahira, Kenichiro and Sano, Munetaka and Arai, Hajime and Hanai, Hiroyuki
Journal: Lasers in medical science (2004): 89-94
Non-caspase-mediated apoptosis contributes to the potent cytotoxicity of the enediyne antibiotic lidamycin toward human tumor cells.
Authors: Wang, Zhen and He, Qiyang and Liang, Yunyan and Wang, Daishu and Li, Yi Yang and Li, Diandong
Journal: Biochemical pharmacology (2003): 1767-75
Critical role for caspases 3 and 8 in neutrophil but not eosinophil apoptosis.
Authors: Daigle, I and Simon, H U
Journal: International archives of allergy and immunology (2001): 147-56
Androgen induced cell death in SHSY5Y neuroblastoma cells expressing wild-type and spinal bulbar muscular atrophy mutant androgen receptors.
Authors: Grierson, A J and Shaw, C E and Miller, C C
Journal: Biochimica et biophysica acta (2001): 13-20