80945-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80945-34-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,4 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 80945-34:
(7*8)+(6*0)+(5*9)+(4*4)+(3*5)+(2*3)+(1*4)=142
142 % 10 = 2
So 80945-34-2 is a valid CAS Registry Number.
80945-34-2Relevant articles and documents
RING OPENING OF CYCLOPROPYL KETONES ASSISTED BY THE TRIMETHYLSILYL GROUP
Ochiai, Masahito,Sumi, Kenzo,Fujita, Eiichi
, p. 79 - 80 (1982)
Cyclopropyl ketones 2 were smoothly cleaved with boron trifluoride-acetic acid under mild reaction conditions by the assistance of trimethylsilyl group to give γ,δ-enones in good yields and the reaction was applied to the formal total synthesis of cis-jasmone.
