TAMRA amine, 5-isomer

TAMRA (TMR, Tetramethylrhodamine) Amines

Cat. #	Quantity	Price	Lead time
171C0	1 mg	$110	in stock
271C0	5 mg	$128	in stock
471C0	25 mg	$320	in stock
571C0	50 mg	$535	in stock
671C0	100 mg	$755	in stock

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TAMRA (tetramethylrhodamine) is a well known fluorophore that has a long history of use in biomolecule labeling. TAMRA can serve as a FRET acceptor for FAM (fluorescein).

TAMRA amine is a derivative having a primary amine group that can be conjugated with various electrophiles like activated esters, epoxides, etc., used in reductive amination reactions, and in enzymatic transamination.

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Absorption and emission spectra of 5-TAMRA

General properties

Appearance:	dark red solid
Molecular weight:	565.1
CAS number:	2158336-47-9 (inner salt)
Molecular formula:	C₃₁H₃₇N₄ClO₄
Solubility:	good in DMF, DMSO, alcohols
Quality control:	NMR ¹H, HPLC-MS (95%)
Storage conditions:	Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS:	Download
	Product specifications

Spectral properties

Excitation/absorption maximum, nm:	541
ε, L⋅mol⁻¹⋅cm⁻¹:	84000
Emission maximum, nm:	567
Fluorescence quantum yield:	0.1
CF₂₆₀:	0.32
CF₂₈₀:	0.19

Product citations

Yang, B.; Picchetti, P.; Wang, Y.; Wang, W.; Seeger, C.; Bozov, K.; Malik, S.; Mallach, D.; Schäfer, A.H.; Ibrahim, M.; Hirtz, M.; Powell, A.K. Patterned immobilization of polyoxometalate-loaded mesoporous silica particles via amine-ene Michael additions on alkene functionalized surfaces. Scientific Reports, 2024, 14, 1249. doi: 10.1038/s41598-023-50846-2
Ko, Y.H.; Nguyen, H.H.T.; Branstetter, C.R.; Park, S.; Lee, J.-K.; Yang, J.; Jung, J.P.; Kim, M. Single-Component Hydrophilic Terpolymer Thin Film Systems for Imparting Surface Chemical Versatility on Various Substrates. Polymers, 2023, 16(1), 44. doi: 10.3390/polym16010044

This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.