146723-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 146723-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,7,2 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 146723-63:
(8*1)+(7*4)+(6*6)+(5*7)+(4*2)+(3*3)+(2*6)+(1*3)=139
139 % 10 = 9
So 146723-63-9 is a valid CAS Registry Number.
146723-63-9Relevant articles and documents
The Dimroth rearrangement of 6-aminouracil derivatives
Hirota,Ni,Suzuki,Takasu,Kitade,Maki
, p. 2839 - 2841 (2007/10/02)
The reaction of 6-amino-5-formyl (or acetyl) uracils (4) possessing a phenyl group at the 1-position with caustic alkali resulted in Dimroth rearrangement to give 6-anilino-5-formyl (or acetyl) uracils (5). This is the first example of Dimroth rearrangeme