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.