443123-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443123-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,1,2 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 443123-83:
(8*4)+(7*4)+(6*3)+(5*1)+(4*2)+(3*3)+(2*8)+(1*3)=119
119 % 10 = 9
So 443123-83-9 is a valid CAS Registry Number.
443123-83-9Relevant articles and documents
Asymmetric total synthesis of the myxobacteria metabolites crocacins A-D
Feutrill, John T.,Lilly, Michael J.,White, Jonathan M.,Rizzacasa, Mark A.
, p. 4880 - 4895 (2008/09/21)
The total syntheses of crocacins A-D are described. The key steps were a syn-aldol reaction followed by anti-reduction to secure the stereotetrad and acylation of an ene- or dienecarbamate to form the enamide. Crown Copyright
