HuagongsheHuagongshe Chemistry Print Report · For research reference only
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
Cy3-COOH · Sulfo-Cy3 · Sulfo-Cyanine3 · CY3 (Sulfo-Cyanine3) · Cy4 · CY.3.29 · Cy3, >97% · TJ-Cy3-COOH

Identifiers & Physical Properties
| CAS No. | 146368-13-0 |
|---|---|
| Molecular formula | C31H38N2O8S2 |
| Average molar mass | 630.8 g/mol |
| Monoisotopic mass | 630.20695852 g/mol |
| SMILES | CCN1/C(=C/C=C/C2=[N+](CCCCCC(=O)O)c3ccc(S(=O)(=O)O)cc3C2(C)C)C(C)(C)c2cc(S(=O)(=O)[O-])ccc21 |
| InChIKey | YDNYBBRGPORVRT-UHFFFAOYSA-N |
| PubChem CID | 91827770 |
Chemical & Physical Properties
| XLogP | 3.9 |
|---|---|
| Topological polar surface area | 172 |
| Hydrogen bond donors | 2 |
| Hydrogen bond acceptors | 9 |
| Rotatable bonds | 10 |
| Heavy atoms | 43 |
| Formal charge | 0 |
| Complexity | 1,360 |
| Storage conditions | under inert gas (nitrogen or Argon) at 2-8°C |
| Solubility | DMF: 10 mg/mlDMSO: 15 mg/mlEthanol: 1 mg/mlPBS (pH 7.2): 5 mg/ml |
| Physical state | A crystalline solid |
| Color | Purple to purplish red |
| ex/em | λex 549, 548, 547 nmλem 554 nm in Phspe Buffer System |
| InChIKey | YDNYBBRGPORVRT-UHFFFAOYSA-N |
| SMILES | C(N1C(C(C)(C)C2C=C(S(O)(=O)=O)C=CC1=2)=CC=CC1C(C2C=C(S([O-])(=O)=O)C=CC=2[N+]=1CC)(C)C)CCCCC(=O)O |
| GHS pictogram | GHS07 |
| Signal word | Warning |
| GHS hazard statements | H302-H317 |
| GHS precautionary statements | P280 |
| Customs code | 29339900 |
Safety & Regulations
| Customs code | 29339900 |
|---|---|
| Signal word | Warning |
| GHS pictogram | GHS07 |
| GHS hazard statements | H302-H317 |
| GHS precautionary statements | P280 |
Applications & Uses
Uses
Didesulfo Cyanine 3 Monofunctional Hexanoic Acid Dye is a light sensitive compound related to Cyanine 3 Monofunctional Hexanoic Acid Dye, Potassium Salt and its free acid (CAS# 146368-13-0), which is useful in the preparation of dUTPs conjugated with zwitterionic Cy3 or Cy5 fluorophore analogs for use as substrates for DNA amplification and labelling by Taq polymerase.