1807521-09-0 Usage
Description
Ald-Ph-PEG2-t-butyl ester is reactive with aminooxy containing molecules The t-butyl ester can be removed under acidic conditions.
Check Digit Verification of cas no
The CAS Registry Mumber 1807521-09-0 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 9 respectively.
Calculate Digit Verification of CAS Registry Number 1807521-09:
(9*1)+(8*8)+(7*0)+(6*7)+(5*5)+(4*2)+(3*1)+(2*0)+(1*9)=160
160 % 10 = 0
So 1807521-09-0 is a valid CAS Registry Number.