97389-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97389-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,8 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 97389-50:
(7*9)+(6*7)+(5*3)+(4*8)+(3*9)+(2*5)+(1*0)=189
189 % 10 = 9
So 97389-50-9 is a valid CAS Registry Number.
97389-50-9Relevant academic research and scientific papers
REACTION OF OXIRANES WITH DIANION OF METHYL ACETOACETATE IN THE PRESENCE OF BORON TRIFLUORIDE ETHERATE
Yamaguchi, Masahiko,Hirao, Ichiro
, p. 337 - 338 (2007/10/02)
Oxiranes were reacted with dianion of methyl acetoacetate in the presence of boron trifluoride etherate to give the substituted tetrahydro-2-furylideneacetates, which were further converted to γ-lactones.
