28312-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28312-76-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,1 and 2 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 28312-76:
(7*2)+(6*8)+(5*3)+(4*1)+(3*2)+(2*7)+(1*6)=107
107 % 10 = 7
So 28312-76-7 is a valid CAS Registry Number.
28312-76-7Relevant articles and documents
Process for the production of 2β-formyl 3α-protected hydroxy-5-oxocyclopentane-1α-heptanoic acids and esters corresponding
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, (2008/06/13)
2-Formyl-3-protected hydroxy-5-oxocyclopent-1-eneheptanoic acid and its esters are stereoselectively reduced to the corresponding 2β-formyl-3α-protected hydroxy-5-oxocyclopentane-1α-heptanoic acid and esters with chromous sulfate. The compounds so produce