64807-28-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64807-28-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,0 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 64807-28:
(7*6)+(6*4)+(5*8)+(4*0)+(3*7)+(2*2)+(1*8)=139
139 % 10 = 9
So 64807-28-9 is a valid CAS Registry Number.
64807-28-9Relevant academic research and scientific papers
Pyrimido 1,2-b!isoquinolines
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, (2008/06/13)
The invention relates to pyrimido 1,2-b!isoquinolines of the formula STR1 and their pharmaceutically acceptable acid addition salts. In the formula, R1 and R2 each represent hydrogen, hydroxyl, lower alkyl, lower alkoxy, trifluoromet
