Molecular structure of 6-Carboxytetramethylrhodamine succinimidyl ester (CAS NO.150810-69-8) is:

Product Name: 6-Carboxytetramethylrhodamine succinimidyl ester
CAS Registry Number: 150810-69-8
Systematic Name: 2-[6-(dimethylamino)-3-(dimethyliminio)-3H-xanthen-9-yl]-5-{[(2,5-dioxopyrrolidin-1-yl)oxy]carbonyl}benzoate 
Empirical Formula: C₂₉H₂₅N₃O₇
Molecular Weight: 527.5247 
Storage temp.: −20°C
Solubility: DMF: soluble 
SMILES: O=C5N(OC(=O)c4ccc(C=1c3c(OC=2C=1\C=C/C(=[N+](/C)C)/C=2)cc(cc3)N(C)C)c(C([O-])=O)c4)C(=O)CC5
InChI: InChI=1/C29H25N3O7/c1-30(2)17-6-9-20-23(14-17)38-24-15-18(31(3)4)7-10-21(24)27(20)19-8-5-16(13-22(19)28(35)36)29(37)39-32-25(33)11-12-26(32)34/h5-10,13-15H,11-12H2,1-4H3

Safty information about 6-Carboxytetramethylrhodamine succinimidyl ester (CAS NO.150810-69-8) is:
Hazard Codes: Xi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany: 3
F: 8-10-21

 6-Carboxytetramethylrhodamine succinimidyl ester , its cas register number is 150810-69-8. It also can be called 6-Carboxytetramethylrhodamine, Succinimide Ester ; 6-Carboxytetramethylrhodamine, Succinimidyl Ester ; 6-Tamra Se .