28918-79-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28918-79-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,1 and 8 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28918-79:
(7*2)+(6*8)+(5*9)+(4*1)+(3*8)+(2*7)+(1*9)=158
158 % 10 = 8
So 28918-79-8 is a valid CAS Registry Number.
28918-79-8Relevant articles and documents
Synthesis of pyrimidines from ketones using microwave irradiation
Tyagarajan, Sriram,Chakravarty, Prasun K.
, p. 7889 - 7891 (2007/10/03)
A simple, high yielding synthesis of pyrimidines from ketones in the presence of HMDS and formamide is described. Under microwave irradiation, heteroaromatic, aryl, aliphatic, and cyclic ketones cyclized to give pyrimidines in good yields.