74128-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74128-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,2 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74128-91:
(7*7)+(6*4)+(5*1)+(4*2)+(3*8)+(2*9)+(1*1)=129
129 % 10 = 9
So 74128-91-9 is a valid CAS Registry Number.
74128-91-9Relevant academic research and scientific papers
α-Oxo- and α-Thioxothioamides from Methyl Ketones
Adiwidjaja, Gunadi,Guenther, Horst,Voss, Juergen
, p. 1116 - 1132 (2007/10/02)
Mixtures of α-(chloro)sulfenyl chlorides 5 and trisulfides 6 are obtained from the reaction of thionyl chloride with methyl ketones in the presence of pyridine.From these mixtures as well as from the pure trisulfides 6, with amines the α-oxothioamides 1-4
