1807518-63-3 Usage
Description
Bromo-PEG2-CH2CO2tBu 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 1807518-63-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,7,5,1 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1807518-63:
(9*1)+(8*8)+(7*0)+(6*7)+(5*5)+(4*1)+(3*8)+(2*6)+(1*3)=183
183 % 10 = 3
So 1807518-63-3 is a valid CAS Registry Number.