126789-40-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126789-40-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,7,8 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 126789-40:
(8*1)+(7*2)+(6*6)+(5*7)+(4*8)+(3*9)+(2*4)+(1*0)=160
160 % 10 = 0
So 126789-40-0 is a valid CAS Registry Number.
126789-40-0Relevant articles and documents
Process for synthesis of FK-506 and tricarbonyl intermediates
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, (2008/06/13)
A process is described for the total synthesis of the macrolide immunosuppressant, FK-506, and important tricarbonyl process intermediates thereof. The tricarbonyl intermediates can be produced by the mild oxidation of 2,3-dihydroxy carboxylate compounds containing olefin moieties.