1807521-00-1 Usage
Description
Bromoacetamido-PEG4-t-butyl ester is a PEG linker containing a bromide group and a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.
Check Digit Verification of cas no
The CAS Registry Mumber 1807521-00-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,7,5,2 and 1 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1807521-00:
(9*1)+(8*8)+(7*0)+(6*7)+(5*5)+(4*2)+(3*1)+(2*0)+(1*0)=151
151 % 10 = 1
So 1807521-00-1 is a valid CAS Registry Number.