Calcein tetraethyl ester

Calcein tetraethyl ester is an intermediate in the synthesis of the fluorescent probe calcein AM (Cay-14948).Formal Name: N,N'-[(3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-4',5'-diyl)bis(methylene)]bis[N-(2-ethoxy-2-oxoethyl)-glycine, 1,1'-diethyl ester. CAS Number: 1170856-93-5. Molecular Formula: C38H42N2O13. Formula Weight: 734.8. Purity: >95%. Formulation: (Request formulation change), A crystalline solid. Solubility: DMF: 1 mg/ml, DMSO: 1 mg/ml, DMSO:PBS (pH 7.2) (1:1): 0.5 mg/ml. lambdamax: 229 nm. SMILES: OC1=C(CN(CC(OCC)=O)CC(OCC)=O)C2=C(C=C1)C3(C(C=CC=C4)=C4C(O3)=O)C5=CC=C(O)C(CN(CC(OCC)=O)CC(OCC)=O)=C5O2. InChi Code: InChI=1S/C38H42N2O13/c1-5-48-31(43)19-39(20-32(44)49-6-2)17-24-29(41)15-13-27-35(24)52-36-25(18-40(21-33(45)50-7-3)22-34(46)51-8-4)30(42)16-14-28(36)38(27)26-12-10-9-11-23(26)37(47)53-38/h9-16,41-42H,5-8,17-22H2,1-4H3. InChi Key: AWKMLDYACNCHOZ-UHFFFAOYSA-N.