128406-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128406-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,0 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 128406-91:
(8*1)+(7*2)+(6*8)+(5*4)+(4*0)+(3*6)+(2*9)+(1*1)=127
127 % 10 = 7
So 128406-91-7 is a valid CAS Registry Number.
128406-91-7Relevant academic research and scientific papers
One Pot Synthesis of 4-Arylbenzoxazolo-s-triazine-2-thiones
Sambaiah, T.,Reddy, K. Kondal
, p. 693 - 701 (2007/10/02)
The reaction of 2-aminobenzoxazoles (1a-b) with aroyl isothiocyanates in acetone gave 4-arylbenzoxazolo-s-triazine-2-thiones (3a-g), aroylthioureas (5a-e) and 2-benzoxazolones (6a-b).A reasonable pathway for the formation of 3, 5 and 6 from 1 has been suggested.
