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3-Indoxyl sulfate potassium salt

CAS No.
2642-37-7
Chemical Name:
3-Indoxyl sulfate potassium salt
Synonyms
POTASSIUM 1H-INDOL-3-YL SULFATE;Y(TM)-SULFATE K;URINARY INDICAN;PotassiuM Indol-3;indol-3-ylpotassiumsulfate;potassiumindol-3-ylsulfate;3-INDOXYL SULFATE POTASSIUM;POTASSIUM 3-INDOXYL SULFATE;indol-3-ol,potassiumsulfate;Potassium 3-Indolyl Sulfate
CBNumber:
CB8164405
Molecular Formula:
C8H8KNO4S
Molecular Weight:
253.31
MDL Number:
MFCD00037931
MOL File:
2642-37-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:55:23

3-Indoxyl sulfate potassium salt Properties

Melting point 165 °C (dec.)(lit.)
storage temp. -20°C
solubility DMSO (Sparingly), Methanol (Slightly)
form Solid
color light yellow
Sensitive Light Sensitive
BRN 3921324
Stability Hygroscopic
InChI 1S/C8H7NO4S.K/c10-14(11,12)13-8-5-9-7-4-2-1-3-6(7)8;/h1-5,9H,(H,10,11,12);/q;+1/p-1
InChIKey MDAWATNFDJIBBD-UHFFFAOYSA-M
SMILES [K+].[O-]S(=O)(=O)Oc1c[nH]c2ccccc12
CAS DataBase Reference 2642-37-7(CAS DataBase Reference)
FDA UNII 567HMW942W
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)
GHS05
Signal word  Danger
Hazard statements  H314-H227
Precautionary statements  P501-P210-P264-P280-P370+P378-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P403+P235-P405
PPE Eyeshields, Gloves, type N95 (US)
Safety Statements  22-24/25
WGK Germany  3
RTECS  NM3200000
8-10-23
HS Code  2933998090
Storage Class 11 - Combustible Solids
NFPA 704
0
1 1

3-Indoxyl sulfate potassium salt price More Price(73)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich I3875 Indoxyl sulfate potassium salt 2642-37-7 250mg $96.3 2026-04-30 Buy
Sigma-Aldrich I3875 Indoxyl sulfate potassium salt 2642-37-7 1g $224 2026-04-30 Buy
Cayman Chemical 16926 Indoxyl Sulfate (potassium salt) ≥98% 2642-37-7 100mg $43 2026-04-30 Buy
Cayman Chemical 16926 Indoxyl Sulfate (potassium salt) ≥98% 2642-37-7 250mg $97 2026-04-30 Buy
Cayman Chemical 16926 Indoxyl Sulfate (potassium salt) ≥98% 2642-37-7 500mg $129 2026-04-30 Buy
Product number Packaging Price Buy
I3875 250mg $96.3 Buy
I3875 1g $224 Buy
16926 100mg $43 Buy
16926 250mg $97 Buy
16926 500mg $129 Buy

3-Indoxyl sulfate potassium salt Chemical Properties, Uses, Production

Chemical Properties

white to off-white crystalline powder

Uses

An uremic toxin that acts as a potent endogenous agonist for the human aryl hydrocarbon receptor (AHR). Studies suggest that it is a sensitive and early biomarker of nephrotoxicity.

3-Indoxyl sulfate potassium salt Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 142)
Supplier Tel Email Country ProdList Advantage
Shenzhen GeneSeqTools Bioscience & Technology Co. Ltd. 0755-23251735 13302967066 sales@geneseqtools.com China 1466 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Beijing HwrkChemical Technology Co., Ltd 89508211 18501085097 sales.bj@hwrkchemical.com China 9407 55
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960 info@chemlin.com.cn China 16306 64
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
Shanghai Macklin Biochemical Co.,Ltd. 15221275939 15221275939 shenlinxing@macklin.cn China 15775 55
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51389 80
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60

View Latest Price from 3-Indoxyl sulfate potassium salt manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Potassium 1H-indol-3-yl sulfate pictures 2026-07-27 Potassium 1H-indol-3-yl sulfate
2642-37-7
$30.00-37.00 99.99% 10g TargetMol Chemicals Inc.
3-INDOXYL SULFATE POTASSIUM SALT pictures 2021-10-21 3-INDOXYL SULFATE POTASSIUM SALT
2642-37-7
$10.00 1KG 99% 20 tons Hebei Zhanyao Biotechnology Co. Ltd
3-Indoxyl Sulfate PotassiuM Salt  pictures 2020-05-21 3-Indoxyl Sulfate PotassiuM Salt
2642-37-7
$1.00 1KG 99% 20T Shaanxi Dideu Medichem Co. Ltd
INDOL-3-YL SULFATE POTASSIUM SALT INDOXYL SULFATE POTASIUM SALT INDOXYL SULFATE POTASSIUM SALT 1H-Indol-3-ol, hydrogen sulfate (ester), monopotassium salt Potassium 3-indoxyl sulfate, Urinary indican 3-Indoxyl sulfate potassium salt,99% potassium indol-3-yl sulphate 3-INDOXYL SULFATE POTASSIUM 3-IndoxylSulphatePotassiumSalt,Gpr 1H-Indol-3-ol 3-(Hydrogen Sulfate) PotassiuM Salt PotassiuM Indol-3 1H-Indol-3-ol, 3-(hydrogen sulfate), potassium salt (1:1) 3-Indolyl sulphate potassium salt POTASSIUM 3-INDOXYL SULFATE Y(TM)-SULFATE K Y(TM)-SULFATE, POTASSIUM SALT URINARY INDICAN URINARY INDICAN POTASSIUM SALT 3-indoxylsulfuricacid,potassiumsalt indol-3-ol,hydrogensulfate(ester),potassiumsalt indol-3-ol,potassiumsulfate indol-3-ylpotassiumsulfate potassiumindol-3-ylsulfate 3-INDOLYL SULFATE, POTASSIUM SALT 3-INDOXYL SULPHATE POTASSIUM SALT 3-Indoxyl Sulfate Potassium Salt extrapure, 98% Potassium 1Hindol3yl sulfate,Inhibitor,Endogenous Metabolite,inhibit,Potassium 1H indol 3 yl sulfate Potassium 3-Indolyl Sulfate 1H-indol-3-yl hydrogen sulfate, potassium salt Potassium 1H-indol-3-yl sulfate (Standard) POTASSIUM 1H-INDOL-3-YL SULFATE 3-Indoxyl sulfate potassium salt 2642-37-7 C8H7NO4SK C8H6NO4SK C8H6KNO4S CmH6KNO4S C8H6NO4S稫 Building Blocks Indoles Heterocyclic Building Blocks Building Blocks C7 to C9 Chemical Synthesis Heterocyclic Building Blocks Indoles Agonists Aromatics Heterocycles Intermediates & Fine Chemicals Isotope Labelled Compounds Pharmaceuticals Sulfur & Selenium Compounds Indoles and derivatives