72923-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72923-16-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,2 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72923-16:
(7*7)+(6*2)+(5*9)+(4*2)+(3*3)+(2*1)+(1*6)=131
131 % 10 = 1
So 72923-16-1 is a valid CAS Registry Number.
72923-16-1Relevant articles and documents
Photochemical Ring Opening of Pyrimidin-2(1H)-ones. Part 2.
Nishio, Takehiko,Omote, Yoshimori
, p. 239 - 242 (2007/10/02)
The photochemical reactions of 1-aryl-4,6-disubstituted pyrimidin-2(1H)-ones have been examined.Irradiation of 1-aryl-4,6-disubstituted pyrimidin-2(1H)-ones (1)-(6) in benzene in the presence of primary or secondary amines gave arylimine products(10)-(15)