81452-40-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81452-40-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,5 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81452-40:
(7*8)+(6*1)+(5*4)+(4*5)+(3*2)+(2*4)+(1*0)=116
116 % 10 = 6
So 81452-40-6 is a valid CAS Registry Number.
81452-40-6Relevant articles and documents
NEW SYNTHETIC APPROACH TO BENZO(f)- AND BENZO(g)-PHTHALAZINES
Robev, Stefan K.
, p. 5067 - 5070 (2007/10/02)
Benzo(f)- and benzo(g)-phthalazine derivatives were synthesised from 2-naphthaldazine by means of a Lewis acid mediated cyclization with elimination of naphthalene.