782475-37-0 Usage
Description
Bromo-PEG3-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 782475-37-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,2,4,7 and 5 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 782475-37:
(8*7)+(7*8)+(6*2)+(5*4)+(4*7)+(3*5)+(2*3)+(1*7)=200
200 % 10 = 0
So 782475-37-0 is a valid CAS Registry Number.