Stilbazo , CAS No.1571-36-4

CAS: 1571-36-4 Cat. No.: S163021 Molecular Weight: 646.65 EC Number: 216-389-7 PubChem CID: 135581570
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Synonyms
Stilbazo [Spectrophotometric reagent for Al and other metals] | Ammonium 6,6'-(ethene-1,2-diyl)bis(3-((3,4-dihydroxyphenyl)diazenyl)benzenesulfonate) | Diazanium;5-[(3,4-dihydroxyphenyl)diazenyl]-2-[(E)-2-[4-[(3,4-dihydroxyphenyl)diazenyl]-2-sulfonatophen
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
S163021-250mg
1
$24.90
1g
S163021-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$81.90
5g
S163021-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$276.90
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Why this grade

for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Stilbazo [Spectrophotometric reagent for Al and other metals] | Ammonium 6, 6'-(ethene-1, 2-diyl)bis(3-((3, 4-dihydroxyphenyl)diazenyl)benzenesulfonate) | Diazanium;5-[(3, 4-dihydroxyphenyl)diazenyl]-2-[(E)-2-[4-[(3, 4-dihydroxyphenyl)diazenyl]-2-sulfonatophen
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Names and Identifiers
Canonical SmilesC1=CC(=C(C=C1N=NC2=CC(=C(C=C2)O)O)S(=O)(=O)[O-])C=CC3=C(C=C(C=C3)N=NC4=CC(=C(C=C4)O)O)S(=O)(=O)[O-].[NH4+].[NH4+]
IUPAC Namediazanium;5-[(3,4-dihydroxyphenyl)diazenyl]-2-[(E)-2-[4-[(3,4-dihydroxyphenyl)diazenyl]-2-sulfonatophenyl]ethenyl]benzenesulfonate
InChIKeyBTVLOQLIWTZBDD-ZFEDVODKSA-N
INCHI1S/C26H20N4O10S2.2H3N/c31-21-9-7-17(11-23(21)33)27-29-19-5-3-15(25(13-19)41(35,36)37)1-2-16-4-6-20(14-26(16)42(38,39)40)30-28-18-8-10-22(32)24(34)12-18;;/h1-14,31-34H,(H,35,36,37)(H,38,39,40);2*1H3/b2-1+,29-27?,30-28?;;
Isomeric SMILES C1=CC(=C(C=C1N=NC2=CC(=C(C=C2)O)O)S(=O)(=O)[O-])/C=C/C3=C(C=C(C=C3)N=NC4=CC(=C(C=C4)O)O)S(=O)(=O)[O-].[NH4+].[NH4+]
PubChem CID 135581570
Molecular Weight 646.65

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.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

3D Structure
Interactive Chemical Structure Model





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.

1 results found

Lot NumberCertificate TypeDateItem
H2412433Certificate of AnalysisApr 25, 2024 S163021
Chemical and Physical Properties
SolubilitySoluble in water; Slightly soluble in Alcohol
Solution Calculators
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