141990-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 141990-72-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,9,9 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 141990-72:
(8*1)+(7*4)+(6*1)+(5*9)+(4*9)+(3*0)+(2*7)+(1*2)=139
139 % 10 = 9
So 141990-72-9 is a valid CAS Registry Number.
141990-72-9Relevant academic research and scientific papers
A New Approach to the Synthesis of Antitumour Alkaloids with the Lycorane Skeleton
Perez, Dolores,Guitian, Enrique,Castedo, Luis
, p. 2407 - 2408 (2007/10/02)
A new approach to the synthesis of lycorane-type alkaloids is described.The key step is intramolecular cycloaddition between an α-pyrone and an alkyne. Key Words: Pyrone-alkyne intramolecular cycloaddition, Lycorane-type Alkaloids.
