144534-08-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144534-08-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,5,3 and 4 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 144534-08:
(8*1)+(7*4)+(6*4)+(5*5)+(4*3)+(3*4)+(2*0)+(1*8)=117
117 % 10 = 7
So 144534-08-7 is a valid CAS Registry Number.
144534-08-7Relevant articles and documents
Diels-Alder approach to (+/-)-longifolene: A formal synthesis
Ho, Tse-Lok,Yeh, Wen-Lung,Yule, John,Liu, Hsing-Jang
, p. 1375 - 1384 (2007/10/02)
A formal synthesis of longifolene in racemic form is concluded starting from the Diels-Alder reaction of 6,6-dimethylfulvene and maleic anhydride.Key steps are cyclodehydration, conjugate methylation, and ring expansion.