321896-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321896-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,8,9 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 321896-71:
(8*3)+(7*2)+(6*1)+(5*8)+(4*9)+(3*6)+(2*7)+(1*1)=153
153 % 10 = 3
So 321896-71-3 is a valid CAS Registry Number.
321896-71-3Relevant articles and documents
Synthesis of benzofuran derivatives through the coupling of conjugated dienynes with Fischer carbene complexes
Herndon,Zhang,Wang,Wang
, p. 8687 - 8690 (2000)
The reaction of Fischer carbene complexes with conjugated dienylacetylene derivatives followed by treatment with iodine leads to benzofuran derivatives in good-to-excellent yields. Equivalent products can be obtained from coupling of conjugated enediynes
