Dilution Calculator

Calculate the dilution required to prepare a stock solution. The Selleck dilution calculator is based on the following equation:

Concentration (start) x Volume (start) = Concentration (final) x Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2 ( )

  • C1
    V1
    C2
    V2

When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and MSDS / COA (available online).

The Serial Dilution Calculator Equation

Serial Dilutions

Computed Result

C1=C0/X C1: LOG(C1):
C2=C1/X C2: LOG(C2):
C3=C2/X C3: LOG(C3):
C4=C3/X C4: LOG(C4):
C5=C4/X C5: LOG(C5):
C6=C5/X C6: LOG(C6):
C7=C6/X C7: LOG(C7):
C8=C7/X C8: LOG(C8):

Featured Products

E1051 MRTX1133 MRTX1133 is a highly selective inhibitor of mutant KRAS G12D and can reversibly binds to the activated and inactivated KRAS G12D mutants and inhibit their activity. The specificity of MRTX1133 to KRAS G12D is more than 1000 times that of wild-type KRAS.
E1068 Nab-Paclitaxel Nab-Paclitaxel is a novel solvent-free paclitaxel in which the binding ratio of paclitaxel to human albumin is approximately 1:9. It is an anti-microtubule drug that promotes microtubule aggregation in tubulin dimers and inhibits microtubule depolymerization to stabilize the microtubule system. Solutions are unstable and should be fresh-prepared.
E1386 KP-457 KP-457 (TNF-α-converting enzyme) is a selective inhibitor of ADAM17 with IC50 of 11.1 nM/L (cell-free assay). It also cleaves various molecules such as GPIbα, GPV, and TNF-α.
E1490 IAG933 IAG933 (YAP-TEAD-IN-3) is a small molecule and acts as a YAP/TAZ-TEAD inhibitor. It also inhibits NCI-H2052 and can be used in research of tumor invasion and metastatic spread of solid tumors.
E1597 RMC-6236 (Daraxonrasib) Daraxonrasib (RMC-6236) is a RAS(ON) multi-selective noncovalent inhibitor of the active, GTP-bound state of both mutant and wild-type variants of canonical RAS isoforms with broad therapeutic potential. RMC-6236 exhibits strong anticancer efficacy in RAS-addicted cell lines, especially those with mutations at codon 12 of KRAS.
E1858 RMC-7977 RMC-7977 is a potent, reversible, tri-complex oral inhibitor that selectively targets active (GTP-bound) forms of KRAS, HRAS, and NRAS, which exhibits broad-spectrum activity against both mutant and wild-type variants (a RASMULTI (ON) inhibitor). It also exhibits significant anti-tumor efficacy in pancreatic ductal adenocarcinoma (PDAC).
E1962 Zoldonrasib (RMC-9805) Zoldonrasib (RMC-9805) is an orally active inhibitor of KRAS G12D. RMC-9805 inhibits RAS signaling, leading to apoptosis in cancer cells with the KRAS G12D mutation.
P1205 GsMTx4 GsMTx4 (Grammostola spatulata mechanotoxin 4, M-theraphotoxin-Gr1a, M-TRTX-Gr1a) is a spider venom peptide that inhibits cationic mechanosensitive channels (MSCs) belonging to the Piezo and TRP channel families.
S1001 Navitoclax (ABT-263) Navitoclax (ABT-263) is a potent inhibitor of Bcl-xL, Bcl-2 and Bcl-w with Ki of ≤ 0.5 nM, ≤1 nM and ≤1 nM in cell-free assays, but binds more weakly to Mcl-1 and A1. Phase 2.
S1045 TSA (Trichostatin A) TSA (Trichostatin A) is an HDAC inhibitor with IC50 of ~1.8 nM in cell-free assays.
S1049 Y-27632 Dihydrochloride Y-27632 2HCl is a selective ROCK1 and ROCK2 inhibitor with a Ki of 140 nM and 300nM in a cell-free assay, exhibits >200-fold selectivity over other kinases, including PKC, cAMP-dependent protein kinase, MLCK and PAK.
S1067 SB431542 SB431542 is a potent and selective inhibitor of ALK5 with IC50 of 94 nM in a cell-free assay, 100-fold more selective for ALK5 than p38 MAPK and other kinases.
S1077 SB202190 SB202190 is a potent p38 MAPK inhibitor targeting p38α/β with IC50 of 50 nM/100 nM in cell-free assays, sometimes used instead of SB 203580 to investigate potential roles for SAPK2a/p38 in vivo. SB202190 inhibits endothelial cell apoptosis via induction of autophagy and heme oxygenase-1. SB202190 significantly suppresses Erastin‐dependent ferroptosis.
S1078 MK-2206 Dihydrochloride MK-2206 2HCl is a highly selective inhibitor of Akt1/2/3 with IC50 of 8 nM/12 nM/65 nM in cell-free assays, respectively; no inhibitory activities against 250 other protein kinases observed. MK-2206 2HCl induces autophagy and apoptosis in cancer cells. Phase 2.
S1105 LY294002 LY294002 (SF 1101, NSC 697286) is the first synthetic molecule known to inhibit PI3Kα/δ/β with IC50 of 0.5 μM/0.57 μM/0.97 μM, respectively; more stable in solution than Wortmannin, and also blocks autophagosome formation. It not only binds to class I PI3Ks and other PI3K-related kinases, but also to novel targets seemingly unrelated to the PI3K family. LY294002 also inhibits CK2 with IC50 of 98 nM. LY294002 is a non-specific DNA-PKcs inhibitor and activates autophagy and apoptosis.
S1133 Alisertib (MLN8237) Alisertib (MLN8237) is a selective Aurora A inhibitor with IC50 of 1.2 nM in a cell-free assay. It has >200-fold higher selectivity for Aurora A than Aurora B. Alisertib induces cell cycle arrest, apoptosis and autophagy. Phase 3.
S1180 XAV-939 XAV-939 (NVP-XAV939) selectively inhibits Wnt/β-catenin-mediated transcription through tankyrase1/2 inhibition with IC50 of 11 nM/4 nM in cell-free assays, regulates axin levels and does not affect CRE, NF-κB or TGF-β.
S1263 CHIR-99021 (Laduviglusib) Laduviglusib (CHIR-99021, CT99021) is a GSK-3α and GSK-3β inhibitor with IC50 of 10 nM and 6.7 nM, respectively. CHIR99201 does not exhibit cross-reactivity against cyclin-dependent kinases (CDKs) and shows a 350-fold selectivity toward GSK-3β compared to CDKs. CHIR99021 functions as a Wnt/β-catenin activator and induces autophagy.
S1413 Bafilomycin A1 (Baf-A1) Bafilomycin A1(Baf-A1) is a vacuolar H+-ATPase inhibitor with IC50 of 0.44 nM. Bafilomycin A1 is found to inhibit autophagy while induces apoptosis.
S1459 Thiazovivin (TZV) Thiazovivin is a novel ROCK inhibitor with IC50 of 0.5 μM in a cell-free assay, promotes hESC survival after single-cell dissociation.
S1536 CP-673451 CP-673451 is a selective inhibitor of PDGFRα/β with IC50 of 10 nM/1 nM in cell-free assays, exhibits >450-fold selectivity over other angiogenic receptors, has antiangiogenic and antitumor activity.
S1786 Verteporfin Verteporfin is a small molecule that inhibits TEAD–YAP association and YAP-induced liver overgrowth. It is also a potent second-generation photosensitizing agent derived from porphyrin. Verteporfin is an autophagy inhibitor. Verteporfin inhibits cell proliferation and induces apoptosis.
S2215 DAPT DAPT is a novel γ-secretase inhibitor, which inhibits Aβ production with IC50 of 20 nM in HEK 293 cells. DAPT enhances the apoptosis of human tongue carcinoma cells and regulates autophagy.
S2230 Galunisertib (LY2157299) Galunisertib (LY2157299) is a potent TGFβ receptor I (TβRI) inhibitor with IC50 of 56 nM in a cell-free assay. Phase 2/3.
S2619 MG132 MG132 ((S,R,S)-(-)-MG132, Z-Leu-D-Leu-Leu-al) is a potent proteasome (ChTL, TL, and PGPH) inhibitor. MG132 also inhibits calpain (IC50=1.2 μM). MG132 can be used to induce animal models of Parkinson’s disease.
S4592 SBE-β-CD SBE-β-CD is a novel, chemically modified cyclodextrin with a structure designed to optimize the solubility and stability of drugs.
S6702 Tween 80 Tween 80 is a polysorbate surfactant used for selective protein extraction and the isolation of nuclei from mammalian cell lines. Tween 80 has been used in drug vehicle solutions for specific injections in mice and rats. It has been used for the determination of esterase activity in bacterial cells.
S6965 Bavdegalutamide (ARV-110) Bavdegalutamide (ARV-110) is an orally bioavailable, specific androgen receptor (AR) PROTAC degrader that leads to ubiquitination and degradation of AR. ARV-110 completely degrades androgen receptor (AR) in all cell lines tested with DC50 of < 1 nM. ARV-110 can be used for the research of prostate cancer.
S7023 Z-VAD-FMK Z-VAD-FMK (Z-VAD(OMe)-FMK) is a cell-permeable, irreversible pan-caspase inhibitor, blocks all features of apoptosis in THP.1 and Jurkat T-cells.
S7037 Wnt-C59 (C59) Wnt-C59 (C59) is a PORCN inhibitor for Wnt3A-mediated activation of a multimerized TCF-binding site driving luciferase with IC50 of 74 pM in HEK293 cells.
S7086 IWR-1-endo IWR-1-endo (endo-IWR 1, IWR-1) is a Wnt pathway inhibitor with IC50 of 180 nM in L-cells expressing Wnt3A, induces Axin2 protein levels and promotes β-catenin phosphorylation by stabilizing Axin-scaffolded destruction complexes.
S7110 (+)-JQ1 (+)-JQ1 is a BET bromodomain inhibitor, with IC50 of 77 nM/33 nM for BRD4(1/2) in cell-free assays, binding to all bromodomains of the BET family, but not to bromodomains outside the BET family. (+)-JQ1 suppresses cell proliferation via inducing autophagy. (+)-JQ1 inhibits the expression of Nuclear receptor binding SET domain protein 3 (NSD3) target genes.
S7120 3-Deazaneplanocin A (DZNep) Hydrochloride DZNeP (3-deazaneplanocin A) HCl, an analog of adenosine, is a competitive inhibitor of S-adenosylhomocysteine hydrolase with Ki of 50 pM in a cell-free assay.
S7223 RepSox (E-616452) RepSox (E-616452, SJN 2511, ALK5 Inhibitor II) is a potent and selective inhibitor of the TGFβR-1/ALK5 with IC50 of 23 nM and 4 nM for ATP binding to ALK5 and ALK5 autophosphorylation in cell-free assays, respectively.
S7242 Erastin Erastin is a ferroptosis activator by acting on mitochondrial VDAC, exhibiting selectivity for tumor cells bearing oncogenic RAS. Solutions are unstable and should be fresh-prepared.
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.
S7417 Puromycin Dihydrochloride Puromycin 2HCl is an aminonucleoside antibiotic derived from Streptomyces alboniger. It is an inhibitor of protein synthesis and has been used to study transcription regulatory mechanisms that control the sequential and coordinated expression of genes during cell differentiation.
S7418 Cycloheximide Cycloheximide, an antifungal antibiotic, is an eukaryote protein synthesis inhibitor with IC50 of 532.5 nM and 2880 nM for protein synthesis and RNA synthesis in vivo, respectively. Cycloheximide suppresses ferroptosis and inhibits autophagy.Cycloheximide (NSC-185) can be used to induce animal models of Dysmnesia.Solutions are unstable and should be fresh-prepared.This product is a hazardous chemical (acute toxicity/flammable/skin corrosive). Please use it while wearing a protective face mask, gloves, and clothing.
S7655 Telaglenastat (CB-839) Telaglenastat (CB-839) is a potent, selective, and orally bioavailable glutaminase inhibitor with IC50 of 24 nM for recombinant human GAC. CB-839(Telaglenastat) inudces autophagy and has antitumor activity. Phase 1.
S7692 A-83-01 A-83-01 is a potent inhibitor of TGF-β type I receptor (ALK5-TD) with IC50 of 12 nM. A-83-01 also inhibits the transcription induced by activin/nodal type I receptor (ALK4-TD) and nodal type I receptor (ALK7-TD) with IC50 of 45 nM and 7.5 nM, respectively.Solutions are unstable and should be fresh-prepared.
S7693 Ceralasertib (AZD6738) Ceralasertib (AZD6738) is an orally active, and selective ATR kinase inhibitor with IC50 of 1 nM. Phase 1/2.
S7699 Liproxstatin-1 Liproxstatin-1 is a potent ferroptosis inhibitor with an IC50 of 22 nM.
S7775 Emricasan (IDN-6556) Emricasan (IDN-6556, PF 03491390, PF-03491390) is a potent irreversible pan-caspase inhibitor. Emricasan is an inhibitor of Zika virus infection.
S7791 PMA (Phorbol 12-myristate 13-acetate) PMA (Phorbol 12-myristate 13-acetate), a potent activator of PKC, is active at nanomolar concentrations. Phorbol 12-myristate 13-acetate (PMA) induces sphingosine-1-phosphate (S1P).PMA has strong excitability on the skin and mucous membrane. Special protection is required when using PMA. Wear gloves and mask to avoid direct contact in any way.
S7858 Dibutyryl cAMP (Bucladesine) sodium Bucladesine sodium is a cell-permeable PKA activator by mimicing the action of endogenous cAMP. Dibutyryl-cAMP (Bucladesine) is also a phosphodiesterase (PDE) inhibitor.
S8586 Nedisertib (M3814) Nedisertib (M3814, Peposertib, MSC2490484A) is an orally bioavailable, highly potent and selective inhibitor of DNA activated protein kinase (DNA-PK) with IC50 of < 3 nM.
S8874 PLX5622 PLX5622 is a highly selective CSF-1R inhibitor (IC50 < 10 nmol/L), showing > 20-fold selectivity over KIT and FLT3.
S8877 IKE (Imidazole Ketone Erastin) IKE(Imidazole ketone erastin) is a potent, selective, and metabolically stable system xc– inhibitor and inducer of ferroptosis.
S9870 STM2457 STM2457 is a highly potent and selective first-in-class catalytic inhibitor of RNA Methyltransferase METTL3 with an IC50 of 16.9 nM. STM2457 is highly specific for METTL3 and showed no inhibition of other RNA methyltransferases.
S9875 Saruparib (AZD5305) Saruparib (AZD5305) is a highly selective and potent inhibitor of PARP1 with an IC50 of 3 nM in wild-type A549 lung cancer cells. AZD5305 shows no or minimal growth inhibitory effects in other cells (IC50s >10μM).

New Products Click to View More

A2175 Anti-mouse CD11c-Invivo The N418 monoclonal antibody reacts with mouse CD11c, the most widely used defining marker for murine dendritic cells (DCs). CD11c is also known as integrin alpha-X (Itgax) and CD11 antigen-like family member C.
E6667 JNJ-9350 JNJ-9350 is a chemical probe that inhibits spermine oxidase (SMOX) with an IC50 of 0.01 μM. This compound also shows inhibitory activity against polyamine oxidase (PAO), exhibiting an IC50 of 0.79 μM. JNJ-9350 has potential applications in cancer research.
E8329 VQW-765 VQW-765 (AQW-051) is an orally active agonist targeting the alpha-7 nicotinic acetylcholine receptor (α7-nAChR), exhibiting a pKD of 7.56 for the human recombinant α7-nAChR. This compound demonstrates anxiolytic-like activity in animal models. VQW-765 has potential applications in anxiety disorder and acute performance anxiety studies.
E1789 Asundexian Asundexian (BAY 2433334) is an orally administered inhibitor of coagulation factor XIa (FXIa). It binds reversibly to the FXIa active site with high affinity, blocking its enzymatic function. In buffer systems, asundexian exhibits an IC50 of 1 nM against human FXIa.
E6656 STAT3-IN-13 STAT3-IN-13 (compound 6f) is a STAT3 inhibitor. It exhibits anti-proliferative activity and binds to the STAT3 SH2 domain with a KD of 0.46 μM. This compound inhibits STAT3 Y705 phosphorylation and downstream target gene expression. In vitro studies show STAT3-IN-13 induces apoptosis, while in vivo experiments demonstrate its ability to suppress tumor growth and metastasis. STAT3-IN-13 has potential applications in cancer research.
E5872 BBO-10203 BBO-10203 inhibits PI3Kα and KRASG12C by covalently binding to Cys242 in the PI3Kα RAS-Binding Domain. It inhibits both GTP-bound and GDP-bound KRASG12C states, with IC50 and EC50 values of 0.031 nM and 0.02 nM respectively. This compound interferes with RAS-PI3Kα interaction, suppressing RAS-dependent PI3Kα activation. It decreases pERK levels, inhibits cell proliferation, and causes G1 phase arrest and apoptosis. BBO-10203 has potential applications in breast cancer, colorectal cancer, and non-small cell lung cancer research.
E8324 GE11 GE11 is an active peptide that binds with colloidal drug delivery systems, serving as smart carriers for antitumor drugs in cancer research.
E0850 DPhPC DPhPC is a phosphatidylcholine (PC) derivative employed in the synthesis of bilayer vesicle phospholipids. The DPhPC bilayer membranes exhibit minimal ion leakage in the absence of pores or ion channels, making them suitable for investigating ion channel activity and membrane potential regulation. DPhPC-based nanoliposomes (NTG) enhance nitric oxide (NO) bioavailability and demonstrate anti-inflammatory properties.
F2691 CHOP Antibody [C21N8] CHOP,DDIT3,DDIT3/GADD153/CHOP,GADD153/CHOP
F1374 HSL Antibody [M23F5] Hormone sensitive lipase/HSL,HSL
F1507 CA9 Antibody [J19A24] CA9,Carbonic Anhydrase 9/CA9,Carbonic Anhydrase IX/CA9
F1545 Sp7/Osterix Antibody [J12J9] OSX,Sp7 / Osterix
F1536 CD11b + CD11c Antibody [C8C21] CD11b + CD11c,CD11b/c
F2031 VSV-G tag Antibody [N12B16] VSV Glycoprotein,VSV-G tag
F1926 α-adaptin A Antibody [D21J17] alpha Adaptin,alpha-Adaptin,α-Adaptin 1/2
F2201 Phospho-SHP2 (Tyr542) Antibody [J17K6] Phospho-SHP-2 (Tyr542),SHP2 (phospho Y542)
F2358 Phospho-STAT1 (Ser727) Antibody [F23C16] Phospho-Stat1 (Ser727),STAT1 (phospho S727)
F2238 Influenza A Virus M2 Protein Antibody [L21L24] Influenza A M2,Influenza A Virus M2 Protein
F3018 IFN-γ Antibody [A4P20] IFN-γ,Interferon gamma
F3034 TIM-3 Antibody [N19P14] TIM 3,TIM-3