Cas 1219623-30-9,{(3-methylpenta-1,4-diyn-3-yloxy)methyl}benzene

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Check Digit Verification of cas no

The CAS Registry Mumber 1219623-30-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,6,2 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1219623-30:
(9*1)+(8*2)+(7*1)+(6*9)+(5*6)+(4*2)+(3*3)+(2*3)+(1*0)=139
139 % 10 = 9
So 1219623-30-9 is a valid CAS Registry Number.

1219623-30-9Upstream product

1219623-30-9Downstream Products

1219623-24-1 1,1'-(5,5'-(3-benzyloxy)-3-methylpenta-1,4-diyne-1,5-diyl)bis(2,4-bis(tosyl)-5,1-phenylene)diethanone

1219623-30-9Relevant academic research and scientific papers

Total synthesis confirms laetirobin as a formal diels-alder adduct

Simon, Oliver,Reux, Bastien,La Clair, James J.,Lear, Martin J.

, p. 342 - 351 (2010)

Laetirobin, isolated from a parasitic fungus host-plant relationship, was synthesized in six practical steps with an overall yield of 12% from commercially available 2,4-dihydroxyacetophenone. Because the product is a pseudosymmetric tetramer of benzo[b]-

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