83269-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83269-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,2,6 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 83269-20:
(7*8)+(6*3)+(5*2)+(4*6)+(3*9)+(2*2)+(1*0)=139
139 % 10 = 9
So 83269-20-9 is a valid CAS Registry Number.
83269-20-9Relevant articles and documents
1,2-Dihydropyrido[3,4-b]pyrazines: Structure-activity relationships
Temple Jr.,Wheeler,Elliott,Rose,Comber,Montgomery
, p. 91 - 95 (2007/10/02)
Certain derivatives containing the 1,2-dihydropyrido[3,4-b]pyrazine (1-deaza-7,8-dihydropteridine) ring system are active against experimental neoplasms in mice. The mechanism of action of these agents has r539w1 =4-amino-1-deaza-7,8-dihydro-6-[(N-methyla