151962-88-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 151962-88-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,9,6 and 2 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 151962-88:
(8*1)+(7*5)+(6*1)+(5*9)+(4*6)+(3*2)+(2*8)+(1*8)=148
148 % 10 = 8
So 151962-88-8 is a valid CAS Registry Number.
151962-88-8Relevant articles and documents
Synthesis of pyridopyranoquinolines by the Skraup reaction of amino-5H- benzopyrano[2,3-b]pyridin-5-ones
Fujiwara, Hidetoshi,Kitagawa, Kouki
, p. 409 - 417 (2000)
7-, 8- and 9-Amino-5H-[1]benzopyrano[2,3-b]-pyridin-5-ones were synthesized. Skraup reaction of 6-Amino-, 7-amino-, 8-amino- and 9-Amino-5H- [1]benzopyrano[2,3-b]pyridin-5-ones in the presence of glycerol, fuming sulfuric acid, nitrobenzene, iron(II) sulf
