ACID YELLOW 11 - Biological stain , CAS No.6359-82-6

CAS: 6359-82-6 Cat. No.: A189176 Molecular Weight: 380.35 EC Number: 228-808-0
AVAILABLE TO ORDER
GRADE & PURITY Biological Stain ? Biological stain grade — dyes characterized for staining cells and tissues. Use in histology and microscopy where staining consistency matters.
Synonyms
6359-82-6|Sodium 4-(3-hydroxy-5-methyl-4-phenylazopyrazol-2-yl)benzenesulphonate|ACIDYELLOW11|DTXSID5047451|sodium;4-(3-methyl-5-oxo-4-phenyldiazenyl-4H-pyrazol-1-yl)benzenesulfonate|starbld0016530|Acid Brilliant Yellow G|UNII-ED6O1DCO98|SCHEMBL342266|CHE
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
A189176-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$9.90
25g
A189176-25g
3
$14.90
100g
A189176-100g
5
$51.90
500g
A189176-500g
2
$153.90
Enter a quantity for the sizes you want to add.
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Why this grade

Biological stain Biological Stain for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal 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
6359-82-6 | Sodium 4-(3-hydroxy-5-methyl-4-phenylazopyrazol-2-yl)benzenesulphonate | ACIDYELLOW11 | DTXSID5047451 | sodium;4-(3-methyl-5-oxo-4-phenyldiazenyl-4H-pyrazol-1-yl)benzenesulfonate | starbld0016530 | Acid Brilliant Yellow G | UNII-ED6O1DCO98 | SCHEMBL342266 | CHE
Specifications & Purity
Biological stain
Storage
Room temperature
Shipped In
Normal
Grade
Biological Stain
Names and Identifiers
Pubchem Sid488200480
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488200480
Canonical SmilesCC1=NN(C(=O)C1N=NC2=CC=CC=C2)C3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]
IUPAC Namesodium;4-(3-methyl-5-oxo-4-phenyldiazenyl-4H-pyrazol-1-yl)benzenesulfonate
InChIKeyUDTJJVCMRRCRDB-UHFFFAOYSA-M
INCHI1S/C16H14N4O4S.Na/c1-11-15(18-17-12-5-3-2-4-6-12)16(21)20(19-11)13-7-9-14(10-8-13)25(22,23)24;/h2-10,15H,1H3,(H,22,23,24);/q;+1/p-1
Isomeric SMILES CC1=NN(C(=O)C1N=NC2=CC=CC=C2)C3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]
Molecular Weight 380.35
Reaxy-Rn 32685654
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=32685654&ln=

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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives
Direct ParentAlpha amino acids and derivatives
Alternative Parents Benzenesulfonic acids and derivatives  Benzenesulfonyl compounds  1-sulfo,2-unsubstituted aromatic compounds  Pyrazolones  Sulfonyls  Organosulfonic acids  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Azacyclic compounds  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  Organic cations  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Alpha-amino acid or derivatives - Benzenesulfonate - Arylsulfonic acid or derivatives - Benzenesulfonyl group - 1-sulfo,2-unsubstituted aromatic compound - Monocyclic benzene moiety - Pyrazolinone - Benzenoid - Pyrazoline - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Azo compound - Azacycle - Organic alkali metal salt - Organoheterocyclic compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic sodium salt - Organic nitrogen compound - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Carbonyl group - Organic oxygen compound - Organic salt - Organic oxide - Hydrocarbon derivative - Organic cation - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof.
External Descriptors Not available
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.

6 results found

Lot NumberCertificate TypeDateItem
E2324219Certificate of AnalysisApr 08, 2026 A189176
C2308800Certificate of AnalysisDec 10, 2025 A189176
C2308797Certificate of AnalysisDec 10, 2025 A189176
K2513087Certificate of AnalysisNov 14, 2025 A189176
L2418166Certificate of AnalysisDec 23, 2024 A189176
G1811073Certificate of AnalysisJan 30, 2024 A189176
Chemical and Physical Properties
Molecular Weight380.400 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count7
Rotatable Bond Count4
Exact Mass380.056 Da
Monoisotopic Mass380.056 Da
Topological Polar Surface Area123.000 Ų
Heavy Atom Count26
Formal Charge0
Complexity662.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Documents & Articles
Solution Calculators
Reviews

Customer Reviews

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