5(6)-TMARA C2 maleimide heterocycle OC1=CC2=C(C=C1)C1(OC(=O)C3=CC=C(C=C13)C(=O)NCCCN=[N]#N)C1=CC=C(O)C=C1O2 Purity (HPLC): ≥ 95%

OC1=CC2=C(C=C1)C1(OC(=O)C3=CC=C(C=C13)C(=O)NCCCN=[N]#N)C1=CC=C(O)C=C1O2 Purity (HPLC): ≥ 95% Shipping Conditions: room temperature Storage Conditions: Refrigerated Regulatory Statement: For Research Use Only

Product Name: Texas Red azide Synonyms: Sulforhodamine 101 azide CAS Number: N/A Molecular Formula: C68H73N12O12S4 Molecular Weight: 689

6-TAMRA is the purified single isomer of 5(6)-TAMRA

NCCCNC1=C2C(=O)N(C3CCC(=O)NC3=O)C(=O)C2=CC=C1 Purity (HPLC) >= 95% Shipping Conditions Room temperature Storage Conditions Refrigerated Shelf Life 12 months after the date of delivery Regulatory Statement For Research Use Only

5(6)-TMARA C2 maleimide heterocycle OC1=CC2=C(C=C1)C1(OC(=O)C3=CC=C(C=C13)C(=O)NCCCN=[N]#N)C1=CC=C(O)C=C1O2 Purity (HPLC): ≥ 95%Although tetramethylrhodamine (TMR) maleimides and iodoacetamides are popular thiol reactive labeling reagents, they are quite unstable in water, and the commercial tetramethylrhodamine maleimides and iodoacetamides often have lower purities than other tetramethylrhodamine labeling reagents (such as TAMRA SE reagents) due to their synthetic difficulties. In addition, the labeling efficiency of tetramethylrhodamine maleimides and iodoacetamides is