173345-28-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173345-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,3,4 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 173345-28:
(8*1)+(7*7)+(6*3)+(5*3)+(4*4)+(3*5)+(2*2)+(1*8)=133
133 % 10 = 3
So 173345-28-3 is a valid CAS Registry Number.
173345-28-3Relevant articles and documents
Synthesis of 1-alkoxy-5-alkyluracils
Kim,Kim,Lim,Kim
, p. 1625 - 1629 (2007/10/03)
1-Alkoxy-5-alkyluracils 2a-f have been prepared by the reaction of 2-alkyl-3-methoxyacryloyl isocyanates 8a-b with alkoxyamines 9a-c followed by cyclization of the resulting N-alkoxy-N'-(2-alkyl-3-methoxyacryloyl)ureas 10a-f. The isocyanates 8a-b were pre