5-Bromo-6-chloro-3-indolyl sulfate potassium salt
5-Bromo-6-chloro-3-indolyl sulfate potassium salt (CAS 6581-24-4) is a chemical compound with a molecular weight of 364.64 g/mol. It is primarily recognised as an enzyme substrate, specifically for sulfatase enzymes. This reagent is essential for biochemical research, enabling the detection and quantification of enzyme activity through chromogenic or fluorogenic reactions.
- IUPAC
- Magenta™ sulfate

Enzyme Substrate for Sulfatase Activity
This compound serves as a chromogenic substrate for the detection of sulfatase enzyme activity. Upon enzymatic hydrolysis, it releases a detectable coloured product, facilitating enzyme assay and screening.
Biochemical Research Reagent
Used in various biochemical and molecular biology research applications to study enzyme kinetics, inhibition, and function. Its specific reactivity allows for targeted investigations into sulfatase pathways.
Diagnostic Assay Development
Can be incorporated into the development of diagnostic assays for detecting specific enzymatic markers in biological samples, although its primary use is in research settings.
| Molecular weight | 364.64 |
|---|---|
| Empirical formula | C8H4BrClKNO4S |
| Assay | ≥99.0% (HPLC) |
| Storage temperature | 2-8°C |
| Impurities tested | ≤5% water |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 5-Bromo-6-chloro-3-indolyl sulfate potassium salt used for?
+
5-Bromo-6-chloro-3-indolyl sulfate potassium salt is primarily used as a chromogenic substrate for the detection and quantification of sulfatase enzyme activity in biochemical research.
What is the CAS number and formula for 5-Bromo-6-chloro-3-indolyl sulfate potassium salt?
+
The CAS number is 6581-24-4. The empirical formula (Hill notation) is C8H4BrClKNO4S.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 5-Bromo-6-chloro-3-indolyl sulfate potassium salt with a minimum purity of 99.0% by HPLC. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 5-Bromo-6-chloro-3-indolyl sulfate potassium salt be handled and stored?
+
Handle this compound with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Store refrigerated at 2-8°C.
Is this compound a controlled substance?
+
The provided data does not indicate that 5-Bromo-6-chloro-3-indolyl sulfate potassium salt is a controlled substance.
How is this chemical shipped or exported?
+
Tech Serve Solutions is a global supplier and exporter of fine chemicals, and this product can be shipped and exported according to international regulations. Please contact us for specific shipping details.
How can I request a quote or sample?
+
To request a quote or a sample of 5-Bromo-6-chloro-3-indolyl sulfate potassium salt, please use the contact form on our website or email our sales department with your inquiry.
▶ Related products
![(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide (C8H13N3O4) — chemical structure, CAS 138472-01-2; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F138472-01-2.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide
C8H13N3O4
Biochemicals & Reagents![(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide (C14H18N4O4) — chemical structure, CAS 162626-99-5; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F162626-99-5.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide
C14H18N4O4
Biochemicals & Reagents
(±)-2,5-Dimethoxy-4-bromoamphetamine hydrobromide
Biochemicals & Reagents

(±)-2-(p-Methoxyphenoxy)propionic acid
C10H12O4
Biochemicals & Reagents
(±)-2-Amino-6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene hydrobromide
C10H13NO2·HBr
Biochemicals & Reagents
(±)-2-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxyoctanoic acid
C8H16O3
Biochemicals & Reagents▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis