90144-86-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90144-86-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,4 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90144-86:
(7*9)+(6*0)+(5*1)+(4*4)+(3*4)+(2*8)+(1*6)=118
118 % 10 = 8
So 90144-86-8 is a valid CAS Registry Number.
90144-86-8Relevant articles and documents
Tricyclic Annulenes. Part 2. Synthesis of 7b-Methyl-7bH-cyclopentindene
McCague, Raymond,Moody, Christopher J.,Rees, Charles W.
, p. 165 - 174 (2007/10/02)
Four routes have been developed to the tricyclic annulene, 7b-methyl-7bH-cyclopentindene (1), starting from the diester (2a), the tricyclic nitrile (6), or the tricyclic ketone (9).The best overall procedure involves the ketones (9a) and (15).The
