278780-94-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 278780-94-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,8,7,8 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 278780-94:
(8*2)+(7*7)+(6*8)+(5*7)+(4*8)+(3*0)+(2*9)+(1*4)=202
202 % 10 = 2
So 278780-94-2 is a valid CAS Registry Number.
278780-94-2Relevant academic research and scientific papers
1,2- and 1,4-naphthoquinones: General synthesis of benzo[b]naphtho [2,3- d]furan-6,11-diones
Martínez, Ana,Estévez, Juan C.,Estévez, Ramón J.,Castedo, Luis
, p. 2365 - 2367 (2007/10/03)
A new general synthesis of benzo[b]naphtho[2,3-d]furan-6,11-diones starting from readily available 2-(2'-oxo-3'-phenylpropyl)benzaldehydes is described. (C) 2000 Elsevier Science Ltd.