1807521-07-8 Usage
Description
Ald-Ph-PEG2-NHS is an amine reactive PEG aldehyde. The benzaldehyde can react with aminooxy moiety.
Check Digit Verification of cas no
The CAS Registry Mumber 1807521-07-8 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 1807521-07:
(9*1)+(8*8)+(7*0)+(6*7)+(5*5)+(4*2)+(3*1)+(2*0)+(1*7)=158
158 % 10 = 8
So 1807521-07-8 is a valid CAS Registry Number.