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Merck

55697

5-Hydroxyindole-3-acetic acid

analytical standard

Synonym(s):

5-HIAA

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About This Item

Empirical Formula (Hill Notation):
C10H9NO3
CAS Number:
54-16-0
Molecular Weight:
191.18
NACRES:
NA.24
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
168797
MDL number:
MFCD00005639

Key Documents

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Product Name

5-Hydroxyindole-3-acetic acid, analytical standard

SMILES string

OC(=O)Cc1c[nH]c2ccc(O)cc12

InChI key

DUUGKQCEGZLZNO-UHFFFAOYSA-N

InChI

1S/C10H9NO3/c12-7-1-2-9-8(4-7)6(5-11-9)3-10(13)14/h1-2,4-5,11-12H,3H2,(H,13,14)

grade

analytical standard

assay

≥98% (HPLC)
≥98% (T)

shelf life

limited shelf life, expiry date on the label

mp

161-164 °C (dec.) (lit.)

application(s)

clinical testing

format

neat

storage temp.

−20°C

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Related Categories

Biochem/physiol Actions

Major serotonin metabolite.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN5307
BCCL9147
BCCK4648
BCCK0297
BCCH7489

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Shabbir Ahmad et al.
Scientific reports, 10(1), 8925-8925 (2020-06-04)
Melanins are chemically diverse ubiquitous pigments found across the life forms synthesized via different biochemical pathways mainly from L-tyrosine or acetyl CoA. Though few reports suggest the possibility of tryptophan-based melanin synthesis, however, such tryptophan-based melanin and its biosynthesis remained
Ryan T Oglesby et al.
Magnetic resonance in medicine, 84(5), 2389-2399 (2020-04-18)
The diagnosis of monoamine-related psychiatric disorders is based on the phenomenological evaluation of symptoms and behavior by trained clinicians. The CEST technique can be sensitive to monoamines such as serotonin. This study quantifies the CEST properties of the compounds in

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