W-13 (hydrochloride)

W-13 is a naphthalenesulfonamide derivative that acts as a potent antagonist of calmodulin (IC50 = 22 µM) and is widely used to investigate Ca2+/calmodulin-regulated enzyme activities.Formal Name: N-(4-aminobutyl)-5-chloro-2-naphthalenesulfonamide, monohydrochloride. CAS Number: 88519-57-7. Molecular Formula: C14H17ClN2O2S . HCl. Formula Weight: 349.3. Purity: >98%. Formulation: (Request formulation change), A crystalline solid. Solubility: DMF: 20 mg/ml, DMF:PBS(pH 7.2)(1:1): 0.5 mg/ml, DMSO: 14 mg/ml, Ethanol: 0.3 mg/ml, Water: 30 mg/ml. lambdamax: 234, 283 nm. SMILES: ClC1=C2C(C=C(S(NCCCCN)(=O)=O)C=C2)=CC=C1.Cl. InChi Code: InChI=1S/C14H17ClN2O2S.ClH/c15-14-5-3-4-11-10-12(6-7-13(11)14)20(18,19)17-9-2-1-8-16,/h3-7,10,17H,1-2,8-9,16H2,1H. InChi Key: QKAALLVQBOLELJ-UHFFFAOYSA-N.