Sulfonfluorescein - ≥75% , CAS No.4424-03-7

CAS: 4424-03-7 Cat. No.: S161142 Molecular Weight: 368.36 PubChem CID: 78140
AVAILABLE TO ORDER
GRADE & PURITY ≥75%
Synonyms
Spiro(3H-2,1-benzoxathiole-3,9'-(9H)xanthene)-3',6'-diol, 1,1-dioxide | SCHEMBL15836279 | T72482 | BENZENESULFONIC ACID, O-(3,6,9-TRIHYDROXYXANTHEN-9-YL)-, .GAMMA.-SULTONE | S0132 | 1,1-dioxospiro[2,1lambda6-benzoxathiole-3,9'-xanthene]-3',6'-diol | Benze
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
200mg
S161142-200mg
3

$27.90

$31.90
Save $4.00 (12.54%)
1g
S161142-1g
4
$121.90
5g
S161142-5g
3
$396.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥75% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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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
Spiro(3H-2, 1-benzoxathiole-3, 9'-(9H)xanthene)-3', 6'-diol, 1, 1-dioxide | SCHEMBL15836279 | T72482 | BENZENESULFONIC ACID, O-(3, 6, 9-TRIHYDROXYXANTHEN-9-YL)-, .GAMMA.-SULTONE | S0132 | 1, 1-dioxospiro[2, 1lambda6-benzoxathiole-3, 9'-xanthene]-3', 6'-diol | Benze
Specifications & Purity
≥75%
Storage
Room temperature
Shipped In
Normal
Purity
≥75%
Names and Identifiers
Pubchem Sid488185519
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488185519
Canonical SmilesC1=CC=C2C(=C1)C3(C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O)OS2(=O)=O
IUPAC Name1,1-dioxospiro[2,1λ6-benzoxathiole-3,9'-xanthene]-3',6'-diol
InChIKeyVJYGFSGAAOVTLC-UHFFFAOYSA-N
INCHI1S/C19H12O6S/c20-11-5-7-13-16(9-11)24-17-10-12(21)6-8-14(17)19(13)15-3-1-2-4-18(15)26(22,23)25-19/h1-10,20-21H
Isomeric SMILES C1=CC=C2C(=C1)C3(C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O)OS2(=O)=O
RTECS WG9930000
PubChem CID 78140
Molecular Weight 368.36
Reaxy-Rn 53358

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

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzopyrans
Subclass1-benzopyrans
Intermediate Tree Nodes Dibenzopyrans
Direct ParentXanthenes
Alternative Parents Diarylethers  Phthalides  Benzofuranones  Benzoxathioles  1-hydroxy-2-unsubstituted benzenoids  Organosulfonic acid esters  Oxacyclic compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Xanthene - Diaryl ether - Benzofuranone - Phthalide - Benzoxathiole - 1-hydroxy-2-unsubstituted benzenoid - Benzenoid - Organosulfonic acid ester - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Ether - Oxacycle - Hydrocarbon derivative - Organic oxide - Organooxygen compound - Organic oxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as xanthenes. These are polycyclic aromatic compounds containing a xanthene moiety, which consists of two benzene rings joined to each other by a pyran ring.
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.

3 results found

Lot NumberCertificate TypeDateItem
H2229295Certificate of AnalysisJun 09, 2026 S161142
H2229301Certificate of AnalysisJun 09, 2026 S161142
H2229302Certificate of AnalysisJun 09, 2026 S161142
Chemical and Physical Properties
Molecular Weight368.400 g/mol
XLogP32.900
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count6
Rotatable Bond Count0
Exact Mass368.035 Da
Monoisotopic Mass368.035 Da
Topological Polar Surface Area101.000 Ų
Heavy Atom Count26
Formal Charge0
Complexity631.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Solution Calculators
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