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4-Acetamido-4'-maleimidylstilbene-2,2'-disulfonic acid, disodium salt(AMS) - ≥65% , CAS No.175171-43-4

4-Acetamido-4'-maleimidylstilbene-2,2'-disulfonic acid, disodium salt(AMS) - ≥65% , CAS No.175171-43-4

Name: 4-Acetamido-4'-maleimidylstilbene-2,2'-disulfonic acid, disodium salt(AMS) - ≥65% , CAS No.175171-43-4
Brand: Aladdin Scientific
SKU: A638693
Availability: InStock

CAS: 175171-43-4 Cat. No.: A638693 PubChem CID: 118988876

COA

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4-Acetamido-4'-maleimidylstilbene-2,2'-disulfonic acid, disodium salt(AMS) - ≥65% CAS No(175171-43-4) by Aladdin Scientific

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AVAILABLE TO ORDER

GRADE & PURITY ≥65%

Synonyms

AMS | Sodium 5-acetamido-2-(4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-2-sulfonatostyryl)benzenesulfonate | Benzenesulfonic acid, 5-(acetylamino)-2-[2-[4-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-2-sulfophenyl]ethenyl-, disodium salt

Storage

Protected from light,Store at -20°C,Desiccated

Shipped In

Ice chest + Ice pads

Overview Specifications Names and Identifiers Documentation Advanced Data Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Solution Calculators Reviews

🧪

Why this grade

≥65% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C,Desiccated 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Product introduction：

Our 4-acetamido-4'-maleimidylstilbene-2,2'- disulfonic acid is a thiol-reactive reagent that is water soluble, with high polarity and membrane impermeability. This polysulfonated dye is useful for determining whether thiol-containing proteins and polypeptide chains are exposed at the extracellular or cytoplasmic membrane surface.

Specifications

Synonyms

AMS | Sodium 5-acetamido-2-(4-(2, 5-dioxo-2, 5-dihydro-1H-pyrrol-1-yl)-2-sulfonatostyryl)benzenesulfonate | Benzenesulfonic acid, 5-(acetylamino)-2-[2-[4-(2, 5-dihydro-2, 5-dioxo-1H-pyrrol-1-yl)-2-sulfophenyl]ethenyl-, disodium salt

Specifications & Purity

≥65%

Storage

Protected from light, Store at -20°C, Desiccated

Shipped In

Ice chest + Ice pads

This product requires cold chain shipping. Ground and other economy services are not available.

Purity

≥65%

Names and Identifiers

PubChem CID	118988876

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

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Chemical and Physical Properties

Sensitivity	Moisture sensitive；light sensitive

Solution Calculators

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Reviews

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