228878-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 228878-05-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,8,7 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 228878-05:
(8*2)+(7*2)+(6*8)+(5*8)+(4*7)+(3*8)+(2*0)+(1*5)=175
175 % 10 = 5
So 228878-05-5 is a valid CAS Registry Number.
228878-05-5Relevant articles and documents
Synthesis of 2'-amino-3'-methoxyflavone (PD 98059)
Mahboobi, Siavosh,Pongratz, Herwig
, p. 1645 - 1652 (1999)
2'-Amino-3'-methoxyflavone selectively blocks the activity of MAP kinase kinase (MEK) by inhibiting the activation of MAP kinase. This paper reports a straightforward synthesis of PD 98059 and 2-tert-butyl-8-methoxy-1,4-dihydro- quinolin-4-one.