12221-43-1 Usage
Preparation
N,N-diethyl-3-methoxybenzenamine or N, N-diethyl-phenetidine?nitrosation, then the product with 3-(Diethylamino)phenol condensation .
Check Digit Verification of cas no
The CAS Registry Mumber 12221-43-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,2 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 12221-43:
(7*1)+(6*2)+(5*2)+(4*2)+(3*1)+(2*4)+(1*3)=51
51 % 10 = 1
So 12221-43-1 is a valid CAS Registry Number.