Isothiocyanatofluorescein - ≥95%, mixture of isomers , CAS No.56973708

CAS: 56973708 Cat. No.: I1233315 Molecular Weight: 778.8
AVAILABLE TO ORDER
GRADE & PURITY ≥95% mixture of isomers
Storage
Room temperature
Shipped In
Normal
Size
Status
Price
Qty
50mg
I1233315-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$46.90
100mg
I1233315-100mg
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$79.90
250mg
I1233315-250mg
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$143.90
1g
I1233315-1g
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$327.90
5g
I1233315-5g
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$1,200.90
10g
I1233315-10g
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$1,916.90
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Why this grade

≥95%, mixture of isomers 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

Specifications & Purity
≥95%, mixture of isomers
Storage
Room temperature
Shipped In
Normal
Purity
≥95%
Names and Identifiers
Canonical SmilesC1=CC2=C(C=C1N=C=S)C3(C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O)OC2=O.C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
IUPAC Name3',6'-dihydroxy-5-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one;3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
InChIKeyAEWCEHLYVLRLBF-UHFFFAOYSA-N
INCHI1S/2C21H11NO5S/c23-12-2-5-16-18(8-12)26-19-9-13(24)3-6-17(19)21(16)15-4-1-11(22-10-28)7-14(15)20(25)27-21;23-12-2-5-15-18(8-12)26-19-9-13(24)3-6-16(19)21(15)17-7-11(22-10-28)1-4-14(17)20(25)27-21/h2*1-9,23-24H
Molecular Weight 778.8

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  Isobenzofurans  1-hydroxy-2-unsubstituted benzenoids  Lactones  Isothiocyanates  Carboxylic acid esters  Propargyl-type 1,3-dipolar organic compounds  Oxacyclic compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkNot available
Substituents Xanthene - Diaryl ether - Benzofuranone - Phthalide - Isobenzofuranone - Isobenzofuran - Isocoumaran - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Benzenoid - Carboxylic acid ester - Isothiocyanate - Lactone - Carboxylic acid derivative - Oxacycle - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Ether - Organic nitrogen compound - Organonitrogen compound - Organooxygen compound - Organosulfur compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - 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:
Chemical and Physical Properties
Molecular Weight778.800 g/mol
XLogP3
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count14
Rotatable Bond Count2
Exact Mass778.072 Da
Monoisotopic Mass778.072 Da
Topological Polar Surface Area241.000 Ų
Heavy Atom Count56
Formal Charge0
Complexity1340.000
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 Count2
Solution Calculators
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