5-Hydroxyindoleacetic Acid

HCID 178872769CAS 1321-73-9

Basic information

Standard SMILES
O=C(O)Cc1c[nH]c2ccc(O)cc12
InChIKey
DUUGKQCEGZLZNO-UHFFFAOYSA-N
Molecular formula
C10H9NO3
Average molar mass
191.18 g/mol

Overview

(5-hydroxyindol-3-yl)acetic acid is a member of the class of indole-3-acetic acids that is indole-3-acetic acid substituted by a hydroxy group at C-5. It has a role as a drug metabolite, a mouse metabolite and a human metabolite. It is a conjugate acid of a (5-hydroxyindol-3-yl)acetate.

Names & identifiers

Preferred name
5-Hydroxyindoleacetic Acid
IUPAC
2-(5-hydroxy-1H-indol-3-yl)acetic acid
English name
5-Hydroxyindole-3-acetic acid
Molecular formula
C10H9NO3
Molecular weight
191.18

Names & synonyms

5-Hydroxyindole-3-acetic acid54-16-02-(5-hydroxy-1H-indol-3-yl)acetic acid5-HIAA5-Hydroxyindoleacetic acidHydroxyindoleacetic acid5-Hydroxyindol-3-ylacetic acidYHC763JY1PCHEBI:27823NSC-90432NSC90432Acid, Hydroxyindoleacetic
Show more names
TIMTEC-BB SBB0036395-HYDROXYINDOLYACETIC ACID5-HYDROXY-3-INDOLEACETIC ACID5-HYDROXYINDOLYL-3-ACETIC ACIDHYDROXYINDOLYL-3-ACETIC ACID, 5-(5-HYDROXY-1H-INDOL-3-YL)-ACETIC ACID2-(5-hydroxy-1H-indol-3-yl)ethanoic acid(5-HYDROXY-1H-INDOL-3-YL)-ACETIC ACID,2-(5-hydroxy-1H-indol-3-yl)ethanoic acid
5 Hydroxy 3 Indoleacetic Acid5 Hydroxyindolamine Acetic Acid5-Hydroxyindolamine Acetic AcidAcid, 5-Hydroxy-3-IndoleaceticAcetic Acid, 5-HydroxyindolamineAcid, 5-Hydroxyindolamine AceticRefChem:789490200-195-4

Database identifiers

CAS
1321-73-9
ChEMBL
CHEMBL395915
ChEBI
CHEBI:27823
UNII
YHC763JY1P
EC Number
200-195-4
Nikkaji
J11.030B

Properties

Computed structural properties

XLogP
1.1
Topological polar surface area
73.3 Ų
Hydrogen bond donors
3
Hydrogen bond acceptors
3
Rotatable bonds
2
Heavy atoms
14

Experimental & physicochemical properties

SpringerMaterials PropertiesAngular frequency
PesticidesPesticides -> Plant Growth Regulators
LogP1.17
Solubility · 2 items

24 mg/mL

>28.7 [ug/mL] (The mean of the results at pH 7.4)

Melting Point161 - 163 °C
Physical Description · 2 items

Light red crystalline solid; [Sigma-Aldrich MSDS]

Solid

Physicochemical properties

Melting point
161 · 161-164 °C (dec.)(lit.)
storage temp.
2 · 2-8°C
solubility
DMSO (Slightly), Methanol (Slightly)
form
crystalline
color
off-white to purple
Stability
Air Sensitive, Light Sensitive

Safety & regulation

GHS classification

GHS Classification · 4 items

Warning

H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]

P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

Hazard information

Regulatory Information · 2 items

Chemical: 1H-Indole-3-acetic acid, 5-hydroxy-

5-Hydroxyindol-3-ylacetic acid: Does not have an individual approval but may be used under an appropriate group standard

Other Safety InformationEvaluation - Chemicals not considered for in depth evaluation - Not commercially active in Australia
Hazards SummaryCauses somnolence in intraperitoneal lethal-dose studies of mice (LD50 = 1,125 mg/kg); [RTECS] May cause irritation; [Sigma-Aldrich MSDS] See Indole-3-butyric acid.
Hazard Classes and CategoriesAcute Tox. 4 (100%)

Safety data

F
8-10-23
wgk
3
rtecs
NL3650000
Toxicity
mouse,LD50,intraperitoneal,1125mg/kg (1125mg/kg),BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY),Journal of Toxicology and Environmental Health. Vol. 1, Pg. 515, 1976.
safety_code
22-24/25
hazard_class
IRRITANT

Chemistry & industry

Pharmacology

Tissue LocationsBrain
Cellular LocationsCytoplasm
Metabolite PathwaysTryptophan metabolism

Uses & manufacturing

UsesIndole-3-acetic acid is a naturally occurring plant-growth hormone; [EPA]

Applications

Uses(5-Hydroxy-1H-indol-3-yl)acetic acid is an intermediate in the preparation of magnolol derivatives with antidepressive potentials. A biochemical marker of neuroendocrine tumor.

Uses5-Hydroxyindole-3-acetic acid is an impurity of chlorpheniramine (C424300), an antihistaminic agent.

Suppliers12 total

Career Henan Chemica Co+86-0371-86658258 +86-13203830695 · [email protected]
武汉凯威斯科技有限公司86-027-67849912 · [email protected]
四川省维克奇生物科技有限公司18108052721 17743264324 · [email protected]
凯试(上海)科技有限公司021-50135380 · [email protected]
安耐吉化学&3A(安徽泽升科技股份有限公司)400-0056266 · [email protected]
Additional notes · 1 item

DefinitionChEBI: (5-hydroxyindol-3-yl)acetic acid is a member of the class of indole-3-acetic acids that is indole-3-acetic acid substituted by a hydroxy group at C-5. It has a role as a drug metabolite, a human metabolite and a mouse metabolite. It is a conjugate acid of a (5-hydroxyindol-3-yl)acetate.

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