1252257-56-9
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Basic information
- Product Name: SPDP-PEG8-NHS ester
- Synonyms: SPDP-PEG8-NHS ester;SDPD-PEG8-NHS;SPDP-dPEG(R)8-NHS ester
- CAS NO:1252257-56-9
- Molecular Formula: C31H49N3O13S2
- Molecular Weight: 735.86306
- EINECS: N/A
- Product Categories: N/A
- Mol File: 1252257-56-9.mol
- Article Data: 0
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: 1.29±0.1 g/cm3(Predicted)
- Refractive Index: N/A
- Storage Temp.: -20°C
- Solubility: N/A
- PKA: 15.01±0.46(Predicted)
- CAS DataBase Reference: SPDP-PEG8-NHS ester(CAS DataBase Reference)
- NIST Chemistry Reference: SPDP-PEG8-NHS ester(1252257-56-9)
- EPA Substance Registry System: SPDP-PEG8-NHS ester(1252257-56-9)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 1252257-56-9(Hazardous Substances Data)
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1252257-56-9 Usage
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.Check Digit Verification of cas no
The CAS Registry Mumber 1252257-56-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,2,2,5 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.Calculate Digit Verification of CAS Registry Number 1252257-56:
(9*1)+(8*2)+(7*5)+(6*2)+(5*2)+(4*5)+(3*7)+(2*5)+(1*6)=139
139 % 10 = 9
So 1252257-56-9 is a valid CAS Registry Number.
1252257-56-9Upstream product
1252257-56-9Downstream Products
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SPDP-PEG8-NHS ester
