502844-98-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502844-98-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,8,4 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 502844-98:
(8*5)+(7*0)+(6*2)+(5*8)+(4*4)+(3*4)+(2*9)+(1*8)=146
146 % 10 = 6
So 502844-98-6 is a valid CAS Registry Number.
502844-98-6Relevant articles and documents
An unusual route to a quinoline 1-oxide via intramolecular addition of an enolate to an aromatic nitro group
Moreira, Nayara Da Rocha F.,De Oliveira, Tania T.,Nagem, Tanus J.,Taylor, Jason G.
, p. 203 - 205 (2012/03/12)
A mixture of ethyl 4-(2-nitrophenyl)butenoates undergoes an unusual intramolecular cyclisation in the presence of a catalytic amount of potassium tert-butoxide. 2011 · Copyright by Walter de Gruyter.
