Catalog No. Size PriceQuantity
M8695-2 2mg solid $130
M8695-10 10mg solid $390


6-TAMRA-SE (6-TAMRA-NHS ester) is a fluorescent dye carrying the amine reactive group. 6-TAMRA-SE is one of the traditional fluorophores used for automated DNA sequencing.

Product information

CAS Number: 150810-69-8

Molecular Weight: 527.52

Formula: C29H25N3O7


6-TAMRA-NHS ester

6-Carboxytetramethylrhodamine N-succinimidyl ester

Chemical Name: 9-(2-carboxylato-5-{[(2,5-dioxopyrrolidin-1-yl)oxy]carbonyl}phenyl)-3,6-bis(dimethylamino)-10λ⁴-xanthen-10-ylium

Smiles: CN(C)C1C=C2[O+]=C3C=C(C=CC3=C(C3=CC(=CC=C3C([O-])=O)C(=O)ON3C(=O)CCC3=O)C2=CC=1)N(C)C


InChi: InChI=1S/C29H25N3O7/c1-30(2)17-6-9-20-23(14-17)38-24-15-18(31(3)4)7-10-21(24)27(20)22-13-16(5-8-19(22)28(35)36)29(37)39-32-25(33)11-12-26(32)34/h5-10,13-15H,11-12H2,1-4H3

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : 100 mg/mL (189.57 mM; Need ultrasonic)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

6-TAMRA-SE (6-TAMRA-NHS ester) is an amine-reactive form of tetramethylrhodamine. 6-TAMRA-SE (soluble in DMF and DMSO, absorption=546, emission=576 measured in MeOH ϵ=9.5×104ϵ=9.5×104).


  1. Thomas TP, et al. Investigation of tumor cell targeting of a dendrimer nanoparticle using a double-clad optical fiber probe. J Biomed Opt. 2008;13(1):014024.
  2. Tessmar J, et al. Toward the development of biomimetic polymers by protein immobilization: PEGylation of insulin as a model reaction. Tissue Eng. 2004;10(3-4):441-453.
  3. Wang Y, et al. RNA molecules that specifically and stoichiometrically bind aminoglycoside antibiotics with high affinities. Biochemistry. 1996 Sep 24;35(38):12338-46.

Products are for research use only. Not for human use.

Payment & Security

PayPal Venmo

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Estimate shipping

You may also like

Recently viewed