20781-21-9 Usage
Chemical Properties
white to light yellow crystal powde
Uses
Different sources of media describe the Uses of 20781-21-9 differently. You can refer to the following data:
1. Reagent for protection of amide function in glutamine and asparagine during peptide synthesis.
2. 2,4-Dimethoxybenzylamine hydrochloride was used in the synthesis of 2-(2,4-dimethoxybenzylamino)-4-phenyl-3-butenonitrile.
Check Digit Verification of cas no
The CAS Registry Mumber 20781-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,8 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20781-21:
(7*2)+(6*0)+(5*7)+(4*8)+(3*1)+(2*2)+(1*1)=89
89 % 10 = 9
So 20781-21-9 is a valid CAS Registry Number.
InChI:InChI=1/C9H13NO2/c1-11-8-4-3-7(6-10)9(5-8)12-2/h3-5H,6,10H2,1-2H3/p+1