Fluorescein-PEG6-NHS ester - ≥95% , CAS No.1818294-35-7

CAS: 1818294-35-7 Cat. No.: F595191 Molecular Weight: 839.86 PubChem CID: 91757931
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
DTXSID101099156 | Flurescein-PEG6-NHS ester | EX-A3672 | AKOS040741735 | 2,5-Dioxopyrrolidin-1-yl 1-((3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)amino)-1-thioxo-5,8,11,14,17,20-hexaoxa-2-azatricosan-23-oate
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1mg
F595191-1mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$299.90
5mg
F595191-5mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$579.90
10mg
F595191-10mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$799.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Argon charged 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

Fluorescein-PEG6-NHS ester is a fluorescein labeled PEG derivative containing a NHS group, which enables labeling for antibodies and other purified proteins at primary amines (lysine side chains). The hydrophilic PEG spacer arm increases solubility in aqueous media.

Product description

Fluorescein-PEG6-NHS ester is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs.

Specifications

Synonyms
DTXSID101099156 | Flurescein-PEG6-NHS ester | EX-A3672 | AKOS040741735 | 2, 5-Dioxopyrrolidin-1-yl 1-((3', 6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1, 9'-xanthen]-5-yl)amino)-1-thioxo-5, 8, 11, 14, 17, 20-hexaoxa-2-azatricosan-23-oate
Specifications & Purity
≥95%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Canonical SmilesC1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCNC(=S)NC2=CC3=C(C=C2)C4(C5=C(C=C(C=C5)O)OC6=C4C=CC(=C6)O)OC3=O
IUPAC Name(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[2-[(3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-yl)carbamothioylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
InChIKeyJRSZEPYWIPLVEA-UHFFFAOYSA-N
INCHI1S/C40H45N3O15S/c44-27-2-5-31-33(24-27)56-34-25-28(45)3-6-32(34)40(31)30-4-1-26(23-29(30)38(49)57-40)42-39(59)41-10-12-51-14-16-53-18-20-55-22-21-54-19-17-52-15-13-50-11-9-37(48)58-43-35(46)7-8-36(43)47/h1-6,23-25,44-45H,7-22H2,(H2,41,42,59)
Isomeric SMILES C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCNC(=S)NC2=CC3=C(C=C2)C4(C5=C(C=C(C=C5)O)OC6=C4C=CC(=C6)O)OC3=O
PubChem CID 91757931
Molecular Weight 839.86

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

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  Pyrrolidine-2-ones  Dicarboximides  Thioureas  Carboxylic acid esters  Lactams  Lactones  Dialkyl ethers  Azacyclic compounds  Monocarboxylic acids and derivatives  Oxacyclic compounds  Organic oxides  Organonitrogen compounds  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Xanthene - Diaryl ether - Benzofuranone - Isobenzofuranone - Phthalide - Isocoumaran - Isobenzofuran - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Pyrrolidone - 2-pyrrolidone - Benzenoid - Dicarboximide - Pyrrolidine - Thiourea - Carboxylic acid ester - Lactam - Lactone - Carboxylic acid derivative - Dialkyl ether - Ether - Oxacycle - Azacycle - Monocarboxylic acid or derivatives - Carbonyl group - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Organic nitrogen compound - Organonitrogen compound - Organooxygen compound - Organosulfur 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:
Chemical and Physical Properties
SolubilitySolubility in Water, DMSO, DMF, DCM
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.