99012-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99012-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,1 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99012-40:
(7*9)+(6*9)+(5*0)+(4*1)+(3*2)+(2*4)+(1*0)=135
135 % 10 = 5
So 99012-40-5 is a valid CAS Registry Number.
99012-40-5Relevant articles and documents
Fluorene Analogues of Biphenyls: Comparison of Mesogenic Behaviour
Davison, I. R.,Hall, D. Muriel,Sage, I.
, p. 17 - 36 (2007/10/02)
A variety of 2,7-disubstituted fluorenes has been synthesised including 2-alkyl-7-cyanofluorenes, 2-pentyl-7-fluorenyl esters and esters of 7-pentyl-2-fluorenecarboxylic acid.Transition temperatures have been determined and are compared with those of anal
