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Sigma-Aldrich

ABTS Chromophore, Diammonium Salt

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Synonym(s):
ABTS Chromophore, Diammonium Salt, 2,2ʹ-Azino-bis(3-ethylbenzthiazoline-6-sulfonic Acid), 2NH₄
Empirical Formula (Hill Notation):
C18H18N4O6S4 · (NH3)2
CAS Number:
Molecular Weight:
548.68
MDL number:

Assay

≥98% (HPLC)

Quality Level

form

crystals
powder

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

shipped in

ambient

storage temp.

2-8°C

InChI

1S/C18H18N4O6S4.2H3N/c1-3-21-13-7-5-11(31(23,24)25)9-15(13)29-17(21)19-20-18-22(4-2)14-8-6-12(32(26,27)28)10-16(14)30-18;;/h5-10H,3-4H2,1-2H3,(H,23,24,25)(H,26,27,28);2*1H3/b19-17-,20-18-;;

InChI key

OHDRQQURAXLVGJ-AXMZSLBLSA-N

General description

Useful as a substrate for ELISA; acts as a hydrogen donor in peroxidase reactions. Radical cation has absorption maximum at 414 nm.

Warning

Toxicity: Irritant (B)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C) for long-term storage or refrigerate (4°C) for short-term storage. Stock solutions are stable for up to 1 week at 4°C or for up to 4 months at -20°C.

Other Notes

Groome, N.P. 1980. J. Clin. Chem. Clin. Biochem.18, 345.
Childs, R.E. and Bardsley, W.G. 1975. Biochem. J.145, 93.

Legal Information

ABTS is a trademark of Boehringer Mannheim Corp.
ABTS is a trademark of Roche
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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