84203-40-7 Usage
Preparation
Obtained by hydrogenation of 2-azido-1-[3,5-bis-(1,1-dimethylethyl)-4-hydroxyphenyl] ethanone in the presence of Pd/C in methanol, then treatment of the amine so obtained with hydrochloric acid (67%).
Check Digit Verification of cas no
The CAS Registry Mumber 84203-40-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,2,0 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 84203-40:
(7*8)+(6*4)+(5*2)+(4*0)+(3*3)+(2*4)+(1*0)=107
107 % 10 = 7
So 84203-40-7 is a valid CAS Registry Number.