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ChemicalBook >> CAS DataBase List >> SPDP-PEG8-NHS ester

SPDP-PEG8-NHS ester

$45 - $2765
Product name: SPDP-PEG8-NHS ester
CAS: 1252257-56-9
MF: C31H49N3O13S2
MW: 735.86306
EINECS:
MDL Number:MFCD13185003
Synonyms:SPDP-PEG8-NHS ester;SDPD-PEG8-NHS;Propanoic acid, 3-[[25-oxo-27-(2-pyridinyldithio)-3,6,9,12,15,18,21-heptaoxa-24-azaheptacos-1-yl]oxy]-, 2,5-dioxo-1-pyrrolidinyl ester;LC-PEG8-SPDP;Opss-peg(8)-nhs;SPDP-dPEG(R)8-NHS ester;SPDP-dPEG^{®SPDP-dPEG^®}

Price26 Properties Safety Information Description

26 prices

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aablocks
ACHEMBLOCK
Activate Scientific
Arctom
BroadPharm
DC Chemicals
dPEG
Iris Biotech GmbH
Sigma-Aldrich
TRC

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1mg
25MG
100mg
250mg
500mg
1000MG
1g
5g

Manufactureraablocks
Product numberAA000NAC
Product description2,5-Dioxopyrrolidin-1-yl 3-oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oate 95%
Packaging100mg
Price$174
Updated2026-05-25
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Manufactureraablocks
Product numberAA000NAC
Product description2,5-Dioxopyrrolidin-1-yl 3-oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oate 95%
Packaging250mg
Price$285
Updated2026-05-25
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Manufactureraablocks
Product numberAA000NAC
Product description2,5-Dioxopyrrolidin-1-yl 3-oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oate 95%
Packaging1g
Price$729
Updated2026-05-25
Buy

Manufactureraablocks
Product numberAA000NAC
Product description2,5-Dioxopyrrolidin-1-yl 3-oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oate 95%
Packaging5g
Price$2765
Updated2026-05-25
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ManufacturerACHEMBLOCK
Product numberAD254821
Product descriptionPropanoic acid, 3-[[25-oxo-27-(2-pyridinyldithio)-3,6,9,12,15,18,21-heptaoxa-24-azaheptacos-1-yl]oxy]-, 2,5-dioxo-1-pyrrolidinyl ester 95%
Packaging100MG
Price$355
Updated2026-05-27
Buy

ManufacturerACHEMBLOCK
Product numberAD254821
Product descriptionPropanoic acid, 3-[[25-oxo-27-(2-pyridinyldithio)-3,6,9,12,15,18,21-heptaoxa-24-azaheptacos-1-yl]oxy]-, 2,5-dioxo-1-pyrrolidinyl ester 95%
Packaging25MG
Price$135
Updated2026-05-27
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ManufacturerActivate Scientific
Product numberAS107961
Product descriptionSPDP-dPEG(R)8-NHSester 94%
Packaging100mg
Price$522
Updated2021-12-16
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ManufacturerActivate Scientific
Product numberAS107961
Product descriptionSPDP-dPEG(R)8-NHSester 94%
Packaging1g
Price$1885
Updated2021-12-16
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ManufacturerArctom
Product numberHT-11017
Product descriptionSDPD-PEG8-NHS ≥95%
Packaging100mg
Price$300
Updated2026-05-25
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ManufacturerArctom
Product numberHT-11017
Product descriptionSDPD-PEG8-NHS ≥95%
Packaging100mg
Price$300
Updated2026-05-26
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ManufacturerArctom
Product numberHT-11017
Product descriptionSDPD-PEG8-NHS ≥95%
Packaging500mg
Price$760
Updated2026-05-25
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ManufacturerArctom
Product numberHT-11017
Product descriptionSDPD-PEG8-NHS ≥95%
Packaging500mg
Price$760
Updated2026-05-26
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ManufacturerBroadPharm
Product numberBP-21933
Product descriptionSPDP-PEG8-NHSester 95%
Packaging500mg
Price$1000
Updated2021-12-16
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ManufacturerBroadPharm
Product numberbp-21933
Product descriptionSPDP-PEG8-NHS ester 95%
Packaging500MG
Price$1000
Updated2026-05-24
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ManufacturerBroadPharm
Product numberBP-21933
Product descriptionSPDP-PEG8-NHSester 95%
Packaging1g
Price$1500
Updated2021-12-16
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ManufacturerBroadPharm
Product numberbp-21933
Product descriptionSPDP-PEG8-NHS ester 95%
Packaging1G
Price$1500
Updated2026-05-24
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA000NAC	2,5-Dioxopyrrolidin-1-yl 3-oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oate 95%	100mg	$174	2026-05-25	Buy
aablocks	AA000NAC	2,5-Dioxopyrrolidin-1-yl 3-oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oate 95%	250mg	$285	2026-05-25	Buy
aablocks	AA000NAC	2,5-Dioxopyrrolidin-1-yl 3-oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oate 95%	1g	$729	2026-05-25	Buy
aablocks	AA000NAC	2,5-Dioxopyrrolidin-1-yl 3-oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16,19,22,25,28-octaoxa-4-azahentriacontan-31-oate 95%	5g	$2765	2026-05-25	Buy
ACHEMBLOCK	AD254821	Propanoic acid, 3-[[25-oxo-27-(2-pyridinyldithio)-3,6,9,12,15,18,21-heptaoxa-24-azaheptacos-1-yl]oxy]-, 2,5-dioxo-1-pyrrolidinyl ester 95%	100MG	$355	2026-05-27	Buy
ACHEMBLOCK	AD254821	Propanoic acid, 3-[[25-oxo-27-(2-pyridinyldithio)-3,6,9,12,15,18,21-heptaoxa-24-azaheptacos-1-yl]oxy]-, 2,5-dioxo-1-pyrrolidinyl ester 95%	25MG	$135	2026-05-27	Buy
Activate Scientific	AS107961	SPDP-dPEG(R)8-NHSester 94%	100mg	$522	2021-12-16	Buy
Activate Scientific	AS107961	SPDP-dPEG(R)8-NHSester 94%	1g	$1885	2021-12-16	Buy
Arctom	HT-11017	SDPD-PEG8-NHS ≥95%	100mg	$300	2026-05-25	Buy
Arctom	HT-11017	SDPD-PEG8-NHS ≥95%	100mg	$300	2026-05-26	Buy
Arctom	HT-11017	SDPD-PEG8-NHS ≥95%	500mg	$760	2026-05-25	Buy
Arctom	HT-11017	SDPD-PEG8-NHS ≥95%	500mg	$760	2026-05-26	Buy
BroadPharm	BP-21933	SPDP-PEG8-NHSester 95%	500mg	$1000	2021-12-16	Buy
BroadPharm	bp-21933	SPDP-PEG8-NHS ester 95%	500MG	$1000	2026-05-24	Buy
BroadPharm	BP-21933	SPDP-PEG8-NHSester 95%	1g	$1500	2021-12-16	Buy
BroadPharm	bp-21933	SPDP-PEG8-NHS ester 95%	1G	$1500	2026-05-24	Buy

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Properties

Density :1.29±0.1 g/cm3(Predicted)
storage temp. :-20°C
pka :15.01±0.46(Predicted)
form :solid or viscous liquid
InChIKey :HKFFRXQWQMCBEO-UHFFFAOYSA-N
SMILES :O=C(NCCOCCOCCOCCOCCOCCOCCOCCOCCC(ON1C(CCC1=O)=O)=O)CCSSC2=NC=CC=C2

Safety Information

Symbol(GHS):

Signal word:

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	Pictogram	P-Codes

Precautionary statements:

Description

SPDP-PEG8-NHS ester is a PEG linker containing an SPDP crosslinker and an NHS ester. The SPDP crosslinker is reactive toward amine and thiol groups and contains a cleavable disulfide bond. This crosslinker is also membrane permeable which allows for intracellular reactions to take place. The NHS ester can react with primary amines to form stable amide bonds. The hydrophilic PEG linker increases the water solubility of compounds in aqueous media.

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Suppliers and manufacturers

Xian confluore Biological Technology Co., Ltd.

SPDP-PEG8-NHS ester CAS:1252257-56-9

TargetMol Chemicals Inc.

XIAMEN SINOPEG BIOTECH CO., LTD.

Hangzhou Huarong Pharm Co., Ltd.

Nextpeptide Inc

Hangzhou MolCore BioPharmatech Co.,Ltd.

Jilin Chinese Academy of Sciences-yanshen Technology

Aladdin Scientific

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SPDP-PEG8-NHS ester

Properties

Safety Information

Description

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