Synonym: 2-[2-[2-Chloro-3-[2-[1,3-dihydro-3,3-dimethyl-1-(4-sulfobutyl)-2H-indol-2-ylidene]-ethylidene]-1-cyclohexen-1-yl]-ethenyl]-3,3-dimethyl-1-(4-sulfobutyl)-3H-indolium hydroxide, inner salt sodium salt
CAS Number: 115970-66-6
Empirical Formula (Hill Notation): C38H46ClN2NaO6S2
Molecular Weight: 749.35
MDL Number: MFCD03427057
Linear Formula: C38H46ClN2NaO6S2
Product Type: Chemical
| λmax |
782 nm |
| composition |
Dye content, 90% |
| form |
solid |
| InChI |
1S/C38H47ClN2O6S2.Na/c1-37(2)30-16-5-7-18-32(30)40(24-9-11-26-48(42,43)44)34(37)22-20-28-14-13-15-29(36(28)39)21-23-35-38(3,4)31-17-6-8-19-33(31)41(35)25-10-12-27-49(45,46)47;/h5-8,16-23H,9-15,24-27H2,1-4H3,(H-,42,43,44,45,46,47);/q;+1/p-1 |
| InChI key |
QQIQAVJARACLHE-UHFFFAOYSA-M |
| mp |
209-212 °C (lit.) |
| SMILES string |
[Na+].CC1(C)C(=CC=C2/CCCC(C=CC3=[N+](CCCCS([O-])(=O)=O)c4ccccc4C3(C)C)=C2Cl)N(CCCCS([O-])(=O)=O)c5ccccc15 |
| Application: |
IR-783 can be used as a starting material in the synthesis of IR-808 dye for biological applications. It can also be used in the formation of NIR fluorescent human serum albumin nanoparticles for the detection of a tumor. It finds potential usage as a contrasting agent for the multimodal in vivo imaging. |
| Features and Benefits: |
Water soluble, laser and near-IR dye |
| General description: |
IR-783 is a near-infrared (NIR) dye with an extinction coefficient of 157000 M−1cm−1 and quantum yield of 0.11. Its excitation wavelength is in the range of 768-784 nm in saline. |
| Packaging: |
250 mg in glass bottle |
| RIDADR |
NONH for all modes of transport |
| WGK Germany |
WGK 3 |
| Flash Point(F) |
Not applicable |
| Flash Point(C) |
Not applicable |
| mp |
209-212 °C (lit.) |
| UNSPSC |
12352103 |
