18872-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18872-74-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,7 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 18872-74:
(7*1)+(6*8)+(5*8)+(4*7)+(3*2)+(2*7)+(1*4)=147
147 % 10 = 7
So 18872-74-7 is a valid CAS Registry Number.
18872-74-7Relevant articles and documents
Reaction of 5-(Substituted-amino)oxazoles with N-Phenylmaleimide
Shimada, Sadakatsu
, p. 1237 - 1241 (2007/10/02)
Reaction of 5-aminooxazoles with N-phenylmaleimide gave 7-hydroxy-2-phenylpyrrolopyridine-1,3-diones and 7-amino-2-phenylpyrrolopyridine-1,3-diones via tricyclic adducts.The ratio of the 7-hydroxy compound and 7-amino compound depended on th