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1449516-89-5

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1449516-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1449516-89-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,5,1 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1449516-89:
(9*1)+(8*4)+(7*4)+(6*9)+(5*5)+(4*1)+(3*6)+(2*8)+(1*9)=195
195 % 10 = 5
So 1449516-89-5 is a valid CAS Registry Number.

1449516-89-5Downstream Products

1449516-89-5Relevant articles and documents

The sequential reactions of tetrazoles with bromoalkynes for the synthesis of (Z)-N-(2-bromo-1-vinyl)-N-arylcyanamides and 2-arylindoles

Zhang, Jiajun,Meng, Ling-Guo,Li, Pinhua,Wang, Lei

, p. 6807 - 6812 (2013/05/23)

2-Arylindoles were prepared by a sequential reaction of Ag-catalyzed α-addition-Pd-catalyzed C-H bond functionalization of tetrazoles with bromoalkynes. A stereocontrolled Ag-catalyzed α-addition reaction of tetrazoles with bromoalkynes underwent smoothly to generate (Z)-N-(2-bromo-1- vinyl)-N-arylcyanamides, which were subsequently converted into 2-arylindoles through an intramolecular cyclization by Pd-catalyzed direct C-H bond functionalizations.

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