Date published: 2026-7-15

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3,3′,5,5′-Tetramethylbenzidine dihydrochloride anhydrous (CAS 64285-73-0)

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Alternate Names:
4,4′-Diamino-3,3′,5,5′-tetramethylbiphenyl dihydrochloride
Application:
3,3′,5,5′-Tetramethylbenzidine dihydrochloride anhydrous is a peroxidase substrate suitable for use in ELISA procedures
CAS Number:
64285-73-0
Molecular Weight:
313.27
Molecular Formula:
C16H20N22HCl
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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3,3′,5,5′-Tetramethylbenzidine dihydrochloride anhydrous is a salt form of 3,3′,5,5′-Tetramethylbenzidine (TMB). 3,3′,5,5′-Tetramethylbenzidine (TMB) is a peroxidase substrate suitable for use in ELISA procedures, producing soluble bend products usually pale blue in color with spectrophotometric activity at 370 or 620-650 nm. Substrate activity is halted with addition of 2M H2SO4 and read at 450 nm.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

3,3′,5,5′-Tetramethylbenzidine dihydrochloride anhydrous, 5 mg

sc-206697
5 mg
$61.00

3,3′,5,5′-Tetramethylbenzidine dihydrochloride anhydrous, 50 mg

sc-206697A
50 mg
$213.00