303965-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303965-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,9,6 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 303965-56:
(8*3)+(7*0)+(6*3)+(5*9)+(4*6)+(3*5)+(2*5)+(1*6)=142
142 % 10 = 2
So 303965-56-2 is a valid CAS Registry Number.
303965-56-2Relevant academic research and scientific papers
Condensed pyridopyridimines. 8. Synthesis of new derivatives of pyrano[3′,4′:6,7]pyrido[2,3-d]pyrimidine
Oganessyan,Noravyan,Grigoryan
, p. 1342 - 1345 (2007/10/03)
New substituted 8,8-dimethyl-4-oxopyrano[3′,4′:6,7]pyrido[2,3- d]pyrimidines have been synthesized from 2-amino-3-ethoxycarbonyl-7,7- dimethylpyrano[4,3-b]pyridine.
