108444-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108444-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,4,4 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 108444-45:
(8*1)+(7*0)+(6*8)+(5*4)+(4*4)+(3*4)+(2*4)+(1*5)=117
117 % 10 = 7
So 108444-45-7 is a valid CAS Registry Number.
108444-45-7Relevant academic research and scientific papers
An Improved Synthesis of 1H-1,2,4-Triazoles from C-Triphenylphosphinimino-hydrazones
Bruche, Luca,Garanti, Luisa,Zecchi, Gaetano
, p. 772 - 774 (2007/10/02)
1-Phenyl-1H-1,2,4-triazoles 5a-h are prepared in good yields by reaction of the triphenylphosphine imide 1 with acyl chlorides 2a-h and subsequent base treatment of the intermediate phosphonium salts 3a-h.