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Chemical Structure| 146368-13-0 Chemical Structure| 146368-13-0
Chemical Structure| 146368-13-0

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Cy3 (Sulfo-Cyanine3) is a traditional orange fluorescent label for proteins and nucleic acids (λex=554 nm, λem=568 nm).

Synonyms: Sulfo-Cyanine3

4.5 *For Research Use Only! Not for Human Use. We Do Not Sell to Patients.

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Product Details of CY3

CAS No. :146368-13-0
Formula : C31H38N2O8S2
M.W : 630.77
SMILES Code : O=S(C1=CC2=C([N+](CC)=C(/C=C/C=C3N(CCCCCC(O)=O)C4=C(C=C(S(=O)(O)=O)C=C4)C/3(C)C)C2(C)C)C=C1)([O-])=O
Synonyms :
Sulfo-Cyanine3
English Name :2-(3-(1-(5-Carboxypentyl)-3,3-dimethyl-5-sulfoindolin-2-ylidene)prop-1-en-1-yl)-1-ethyl-3,3-dimethyl-3H-indol-1-ium-5-sulfonate
MDL No. :MFCD28968789

Safety of CY3

Application In Synthesis of CY3

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 146368-13-0 ]

[ 146368-13-0 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 146368-13-0 ]
  • [ 819066-98-3 ]
  • [ 2766049-05-0 ]
YieldReaction ConditionsOperation in experiment
47.2% Stage #1: Cy3 With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide for 0.0333333h; Stage #2: 4-{3,5-bis[(bis(pyridin-2-ylmethyl)amino)methyl]phenoxy}butylamine In N,N-dimethyl-formamide at 20℃; 2 Preparation of Compound Compound (20) (32 mg, 0.051 mmol) is dissolved and stirred in anhydrous DMF (1 mL) and 2 drops of dry triethylamine from a 50 pL syringe were added. Solid 2-(lH-benzotriazol-l-yl)-l, 1,3, 3-tetramethyluronium hexafluorophosphate (HBTU) (24 mgs, 0.063 mmol ) was added and the solution was stirred for 2 mins to form the activated ester intermediate, then Compound (21) (31 mg, 0.053 mmol) in anhydrous DMF (lmL) was added and the mixture was stirred at room temperature overnight. The solvent was removed by rotary evaporation under reduced pressure and the residue was dissolved in a small volume of water and purified by Cl 8 reversed phase silica gel chromatography eluting with a 10 to 30% gradient of acetonitrile to water with 0.1% trifluoroacetic acid added to provide pure apo-Compound (22) (30 mg, 47.2% yield) with observed (M+2H)+ =1200.7 and calculated (M+2H)+=1201.5. A solution of zinc nitrate hexahydrate in methanol (1 mL at a concentration of 15.8 mg/mL; 0.053 mmol) was added to apo-(E) (30 mg, 0.025 mmol) and the solution was stirred for 1 h then concentrated and dried under high vacuum to provide 35 mg of Compound (22). A 1 mM stock solution of Compound (22) in water was prepared
 

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