432543-94-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 432543-94-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,2,5,4 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 432543-94:
(8*4)+(7*3)+(6*2)+(5*5)+(4*4)+(3*3)+(2*9)+(1*4)=137
137 % 10 = 7
So 432543-94-7 is a valid CAS Registry Number.
432543-94-7Relevant articles and documents
Synthesis of 2-(2-aminophenyl)-3-hydroxy-quinazolin-4(3H)-one - A synthon of quinazolino [3,2-d][3,1,4]benzoxadiazepinones
Reddy, D. Sahadeva,Reddy, P. Pratap,Reddy
, p. 411 - 414 (2007/10/03)
Synthesis of 2-(2-aminophenyl)-3-hydroxyquinazolin-4(3H)-one by a novel ring contraction rearrangement is reported.