Date published: 2026-4-28

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5-Hydroxyindole-3-acetic acid-D2 (CAS 56209-31-5)

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Alternate Names:
(5-Hydroxy-1H-indol-3-yl)acetic Acid-D2; 5-HIAA-D2; 5-Hydroxy-1H-indole-3-acetic Acid-D2
CAS Number:
56209-31-5
Molecular Weight:
193.20
Molecular Formula:
C10H7D2NO3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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5-Hydroxyindole-3-acetic acid-D2 (5-HIAA-D2) is a labeled analogue of 5-Hydroxyindole-3-acetic acid, which is an impurity of Chlorpheniramine, a histamine H1 receptor antagonist. The deuterated form of 5-HIAA is often used as an internal standard in mass spectrometry and other analytical methods to quantify the amount of 5-HIAA or serotonin in biological samples. It can also be employed to investigate the metabolism of serotonin and related compounds.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

5-Hydroxyindole-3-acetic acid-D2, 1 mg

sc-488656
1 mg
$330.00