57340-48-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57340-48-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,3,4 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 57340-48:
(7*5)+(6*7)+(5*3)+(4*4)+(3*0)+(2*4)+(1*8)=124
124 % 10 = 4
So 57340-48-4 is a valid CAS Registry Number.
57340-48-4Relevant articles and documents
STEREOSELECTIVE SYNTHESIS OF 3,4-DISUBSTITUTED CYCLOPENTANONES AND RELATED COMPOUNDS
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Page/Page column 37; 41-42; 47, (2010/11/25)
Methods and materials for preparing optically active 3,4-disubstituted cyclopentanones are disclosed. The method includes hydrolyzing one or more compounds represented by Formula (13), or removing an ester moiety from a compound represented by Formula (18).