144939-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144939-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,9,3 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 144939-55:
(8*1)+(7*4)+(6*4)+(5*9)+(4*3)+(3*9)+(2*5)+(1*5)=159
159 % 10 = 9
So 144939-55-9 is a valid CAS Registry Number.
144939-55-9Relevant academic research and scientific papers
Cortes, Diego,Myint, Saw H.,Harmange, Jean C.,Sahpaz, Sevser,Figadere, Bruno
, p. 5225 - 5226 (1992)
Catalytic hydrogenation of cytotoxic Annonaceous acetogenins afforded two or one diastereomers whether the γ-unsaturated lactone acetogenin possesses or not an hydroxyl group at the 4-position.