1340589-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1340589-23-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,0,5,8 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1340589-23:
(9*1)+(8*3)+(7*4)+(6*0)+(5*5)+(4*8)+(3*9)+(2*2)+(1*3)=152
152 % 10 = 2
So 1340589-23-2 is a valid CAS Registry Number.
1340589-23-2Relevant academic research and scientific papers
Oxidation of cyclopentane-1,2-dione: A study with 18O labeled reagents
Reile, Indrek,Paju, Anne,Mueuerisepp, Aleksander-Mati,Pehk, Tonis,Lopp, Margus
, p. 5942 - 5948 (2011/09/19)
The asymmetric oxidation of 3-alkyl-cyclopentane-1,2-diones with the Ti(OiPr)4/tartaric ester/t-BuOOH complex, which gives, in a cascade process, highly enantiomerically enriched γ-lactone acids, was studied by 18O isotopi