1807503-90-7 Usage
Description
Ald-Ph-PEG2-NH-Boc is a PEG linker containing a benzaldehyde group which is able to undergo reactions with aminooxy moiety The Boc protected amine can be deprotected under acidic for further reaction
Check Digit Verification of cas no
The CAS Registry Mumber 1807503-90-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,7,5,0 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1807503-90:
(9*1)+(8*8)+(7*0)+(6*7)+(5*5)+(4*0)+(3*3)+(2*9)+(1*0)=167
167 % 10 = 7
So 1807503-90-7 is a valid CAS Registry Number.