128256-29-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128256-29-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,5 and 6 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128256-29:
(8*1)+(7*2)+(6*8)+(5*2)+(4*5)+(3*6)+(2*2)+(1*9)=131
131 % 10 = 1
So 128256-29-1 is a valid CAS Registry Number.
128256-29-1Relevant articles and documents
REACTION OF α-BROMOACETOPHENONE PHENYLSULFONYLHYDRAZONES. A NEW SYNTHETIC ROUTE TO 2-ARYLIMIDAZOISOQUINOLINES AND -QUINOLINES
Ito, Suketaka,Kakehi, Akikazu,Miwa, Toshikazu
, p. 2373 - 2380 (2007/10/02)
2-Arylimidazoisoquinolines and -quinolines were obtained in good to moderate yields by the reaction of the title hydrazones with isoquinoline and quinoline, respectively.