5-Bromo-4-chloro-3-indolyl α-D-N-acetylneuraminic acid sodium salt
5-Bromo-4-chloro-3-indolyl α-D-N-acetylneuraminic acid sodium salt (CAS: 160369-85-7) is a chromogenic substrate utilized in biochemical research. With a molecular weight of 559.72 g/mol, this compound serves as a valuable tool for detecting neuraminidase activity. It allows for the visual identification of enzymatic reactions through the formation of a coloured precipitate upon cleavage of the acetylneuraminic acid moiety. This reagent is essential for studies in glycobiology and enzyme kinetics.
- IUPAC
- X-NeuNAc

Enzyme Activity Detection
Used as a chromogenic substrate to detect and quantify neuraminidase activity in biological samples and enzyme assays. The enzymatic cleavage releases a coloured product, enabling visual monitoring.
Glycobiology Research
Facilitates research in glycobiology by providing a means to study the role and activity of neuraminidases in the metabolism and function of glycoconjugates.
Biochemical Assays
A key reagent in biochemical assays for identifying and characterizing enzymes involved in the modification of sialic acids.
Diagnostic Tool Development
Potential application in the development of diagnostic tools for conditions associated with altered neuraminidase activity.
| Molecular weight | 559.72 |
|---|---|
| Linear formula | C19H21BrClN2O9Na |
| Assay | ≥90% |
| Storage temperature | −20°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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-4-chloro-3-indolyl α-D-N-acetylneuraminic acid sodium salt used for?
+
This compound is primarily used as a chromogenic substrate for the detection and study of neuraminidase activity in biochemical research and glycobiology.
What are the CAS number and molecular formula?
+
The CAS number is 160369-85-7. The linear formula is C19H21BrClN2O9Na.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this product with an assay of ≥90%. We do not represent this product as USP, BP, or EP grade.
How should this product be handled and stored?
+
Handle with care to avoid skin and eye contact, and inhalation. Store at -20°C. This compound is classified as a Warning with hazards H315, H319, and H335, indicating it may cause skin irritation, serious eye irritation, and respiratory irritation.
Is this product a controlled substance?
+
The provided data does not indicate that this product is a controlled substance.
How is this product packaged, shipped, and exported?
+
Tech Serve Solutions, a global supplier and exporter, ensures appropriate packaging for the safe transport of chemicals worldwide.
How can I request a sample or quote?
+
Please contact our sales team to request a sample or a quote for this product.
▶ 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