77052-39-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77052-39-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,5 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77052-39:
(7*7)+(6*7)+(5*0)+(4*5)+(3*2)+(2*3)+(1*9)=132
132 % 10 = 2
So 77052-39-2 is a valid CAS Registry Number.
77052-39-2Relevant articles and documents
Formation of 5-Aroyl-3-(2H)isothiazolones from the Reaction of 3-Aroylpropionamides with Thionyl Chloride (1)
Tsolomitis, A.,Sandris, C.
, p. 1645 - 1646 (2007/10/02)
Reaction of N-substitued-3-aroylpropionamides with excess thionyl chloride was found to give sulfurnitrogen heterocyclic compounds, which were characterized as 2-substituted-5-aroyl-3-(2H)isothiazolones.