Potassium 1H-indol-3-yl sulfate - ≥98% , CAS No.2642-37-7

CAS: 2642-37-7 Cat. No.: P588486 Molecular Weight: 251.3 Beilstein Registry Number: 3921324 EC Number: 220-145-5 PubChem CID: 5177095
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Indol-3-yl sulfate, potassium salt | POTASSIUM,1H-INDOL-3-YL SULFATE | 3-Indoxylsulfuric acid, potassium salt | FD10016 | FT-0615879 | C8H6KNO4S | 1346601-03-3 | potassium 1H-indol-3-yl sulfate | Potassium indol-3-yl sulphate | Potassium indol-3-yl sulfat
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
P588486-100mg
3
$51.90
250mg
P588486-250mg
2
$83.90
1g
P588486-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$275.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Indol-3-yl sulfate, potassium salt | POTASSIUM, 1H-INDOL-3-YL SULFATE | 3-Indoxylsulfuric acid, potassium salt | FD10016 | FT-0615879 | C8H6KNO4S | 1346601-03-3 | potassium 1H-indol-3-yl sulfate | Potassium indol-3-yl sulphate | Potassium indol-3-yl sulfat
Specifications & Purity
≥98%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesC1=CC=C2C(=C1)C(=CN2)OS(=O)(=O)[O-].[K+]
IUPAC Namepotassium;1H-indol-3-yl sulfate
InChIKeyMDAWATNFDJIBBD-UHFFFAOYSA-M
INCHI1S/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
Isomeric SMILES C1=CC=C2C(=C1)C(=CN2)OS(=O)(=O)[O-].[K+]
WGK Germany 3
RTECS NM3200000
PubChem CID 5177095
Molecular Weight 251.3
Beilstein 3921324

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassOrganic sulfuric acids and derivatives
SubclassArylsulfates
Intermediate Tree Nodes Not available
Direct ParentArylsulfates
Alternative Parents Indoles  Sulfuric acid monoesters  Substituted pyrroles  Benzenoids  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic potassium salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Arylsulfate - Indole - Indole or derivatives - Substituted pyrrole - Sulfuric acid monoester - Sulfate-ester - Sulfuric acid ester - Benzenoid - Pyrrole - Heteroaromatic compound - Organoheterocyclic compound - Azacycle - Organic alkali metal salt - Organic salt - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Organic potassium salt - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as arylsulfates. These are organic compounds containing a sulfate group that carries an aryl group through an ether group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ATAD5 Tbio ATPase family AAA domain-containing protein 5 (122566 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
ampC Beta-lactamase AmpC (62480 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
dnaB Replicative DNA helicase (15 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Luciferin 4-monooxygenase (66902 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TGR Thioredoxin glutathione reductase (28579 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
recA Protein RecA (2211 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

16 results found

Lot NumberCertificate TypeDateItem
L2504427Certificate of AnalysisNov 15, 2025 P588486
L2504437Certificate of AnalysisNov 15, 2025 P588486
L2504438Certificate of AnalysisNov 15, 2025 P588486
I2511503Certificate of AnalysisAug 29, 2025 P588486
I2511504Certificate of AnalysisAug 29, 2025 P588486
I2511507Certificate of AnalysisAug 29, 2025 P588486
G2511489Certificate of AnalysisApr 01, 2025 P588486
G2511490Certificate of AnalysisApr 01, 2025 P588486
G2511491Certificate of AnalysisApr 01, 2025 P588486
D2523251Certificate of AnalysisApr 01, 2025 P588486
D2523252Certificate of AnalysisApr 01, 2025 P588486
L2318008Certificate of AnalysisNov 30, 2023 P588486
L2318009Certificate of AnalysisNov 30, 2023 P588486
L2318010Certificate of AnalysisNov 30, 2023 P588486
L2318011Certificate of AnalysisNov 30, 2023 P588486
L2318012Certificate of AnalysisNov 30, 2023 P588486

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Chemical and Physical Properties
Melt Point(°C)165 °C
Molecular Weight251.300 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass250.965 Da
Monoisotopic Mass250.965 Da
Topological Polar Surface Area90.600 Ų
Heavy Atom Count15
Formal Charge0
Complexity302.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Citations of This Product
References
1. Yang Facui, Tao Fei, Li Chen, Gao Lingxiang, Yang Peng.  (2018)  Self-assembled membrane composed of amyloid-like proteins for efficient size-selective molecular separation and dialysis.  Nature Communications,  (1): (1-11).  [PMID:30575744] [10.1038/s41467-018-07888-2]
Solution Calculators
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