344573-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344573-04-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,5,7 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 344573-04:
(8*3)+(7*4)+(6*4)+(5*5)+(4*7)+(3*3)+(2*0)+(1*4)=142
142 % 10 = 2
So 344573-04-2 is a valid CAS Registry Number.
344573-04-2Relevant articles and documents
Synthesis of β-lactams by the photolysis of cyclohexyl benzoylformate in the presence of imines
Aoyama,Sakamoto,Yoshida,Omote
, p. 1099 - 1101 (1983)
Reaction of imines with hydroxyphenylketene which was produced by photolysis of cyclohexyl benzoylformate gave β-lactams in good yields.