151698-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 151698-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,6,9 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 151698-58:
(8*1)+(7*5)+(6*1)+(5*6)+(4*9)+(3*8)+(2*5)+(1*8)=157
157 % 10 = 7
So 151698-58-7 is a valid CAS Registry Number.
151698-58-7Relevant articles and documents
Synthesis of 3-substituted isocoumarins and related natural products
Ohta,Kamata,Inagaki,Masuda,Yamamoto,Yamashita,Kawasaki
, p. 1188 - 1190 (1993)
Several N,N-diethyl-2-acylmethylbenzamides (6) were prepared from N,N- diethyl-2-toluamides (4), and the ketoamides (6) were easily cyclized to the corresponding 3-substituted isocoumarins (8) by heating in acetic acid or xylene. This simple procedure was
