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1443678-84-9

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1443678-84-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1443678-84-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,3,6,7 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1443678-84:
(9*1)+(8*4)+(7*4)+(6*3)+(5*6)+(4*7)+(3*8)+(2*8)+(1*4)=189
189 % 10 = 9
So 1443678-84-9 is a valid CAS Registry Number.

1443678-84-9Downstream Products

1443678-84-9Relevant articles and documents

Synthesis of fully substituted 3-formyl-4-iodofurans via a gold(I)-catalyzed oxidation/1,2-alkynyl migration/cyclization/iodination cascade

Wang, Tao,Shi, Shuai,Rudolph, Matthias,Hashmi, A. Stephen K.

supporting information, p. 2337 - 2342 (2014/07/21)

A highly efficient gold(I)-catalyzed cascade reaction for the synthesis of fully substituted 3-formyl-4-iodofurans has been developed. Mechanistic investigations indicate a reaction pathway that involves a direct iodination reaction of the organogold intermediate via functionalization of the Au=C(sp2) bond, instead of a direct iodination of the 3-formylfurans.

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