42858-64-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42858-64-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,8,5 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42858-64:
(7*4)+(6*2)+(5*8)+(4*5)+(3*8)+(2*6)+(1*4)=140
140 % 10 = 0
So 42858-64-0 is a valid CAS Registry Number.
42858-64-0Relevant academic research and scientific papers
2-Oxo-cyclopenta[b]furan-5α-carboxylic acid esters
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, (2008/06/13)
Process for synthesizing the lactone, (dl) 3,3a beta-4,5,6,6a beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-cyclopenta[b]furan, a known intermediate for producing prostaglandin E2 and F2α and a p