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PC Alkyne-PEG4-NHS ester - ≥95% , CAS No.1802907-98-7

CAS: 1802907-98-7 Cat. No.: P596694 Molecular Weight: 653.63
COA
PC Alkyne-PEG4-NHS ester - ≥95% , CAS No.1802907-98-7
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
PC Alkyne-PEG4-NHS ester | 2,5-Dioxopyrrolidin-1-yl (1-(5-methoxy-2-nitro-4-((17-oxo-4,7,10,13-tetraoxa-16-azaicos-1-yn-20-yl)oxy)phenyl)ethyl) carbonate
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
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 ·  off list, applied to all prices below.
Size
Status
Price
Qty
10mg
P596694-10mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$65.90
50mg
P596694-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$249.90
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SDS
Safety data
COA
Certificate
DS
Datasheet
SP
Spec sheet
Overview Specifications Names and Identifiers Documentation Advanced Data 3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Solution Calculators Reviews
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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

PC Alkyne-PEG4-NHS ester is a cleavable 4 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs). PC Alkyne-PEG4-NHS ester is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

Specifications

Synonyms
PC Alkyne-PEG4-NHS ester | 2, 5-Dioxopyrrolidin-1-yl (1-(5-methoxy-2-nitro-4-((17-oxo-4, 7, 10, 13-tetraoxa-16-azaicos-1-yn-20-yl)oxy)phenyl)ethyl) carbonate
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 SmilesCC(C1=CC(=C(C=C1[N+](=O)[O-])OCCCC(=O)NCCOCCOCCOCCOCC#C)OC)OC(=O)ON2C(=O)CCC2=O
IUPAC Name(2,5-dioxopyrrolidin-1-yl) 1-[5-methoxy-2-nitro-4-[4-oxo-4-[2-[2-[2-(2-prop-2-ynoxyethoxy)ethoxy]ethoxy]ethylamino]butoxy]phenyl]ethyl carbonate
InChIKeyAOWMPLACVFKCJJ-UHFFFAOYSA-N
INCHI1S/C29H39N3O14/c1-4-10-40-13-15-42-17-18-43-16-14-41-12-9-30-26(33)6-5-11-44-25-20-23(32(37)38)22(19-24(25)39-3)21(2)45-29(36)46-31-27(34)7-8-28(31)35/h1,19-21H,5-18H2,2-3H3,(H,30,33)
Isomeric SMILES CC(C1=CC(=C(C=C1[N+](=O)[O-])OCCCC(=O)NCCOCCOCCOCCOCC#C)OC)OC(=O)ON2C(=O)CCC2=O
Molecular Weight 653.63

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

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
B2603488Certificate of AnalysisJan 23, 2026 P596694
B2603490Certificate of AnalysisJan 23, 2026 P596694
B2603491Certificate of AnalysisJan 23, 2026 P596694
Chemical and Physical Properties
Molecular Weight653.600 g/mol
XLogP30.400
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count14
Rotatable Bond Count24
Exact Mass653.243 Da
Monoisotopic Mass653.243 Da
Topological Polar Surface Area203.000 Ų
Heavy Atom Count46
Formal Charge0
Complexity1010.000
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 Count1
Solution Calculators
Reviews

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