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1180843-91-7

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1180843-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1180843-91-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,0,8,4 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1180843-91:
(9*1)+(8*1)+(7*8)+(6*0)+(5*8)+(4*4)+(3*3)+(2*9)+(1*1)=157
157 % 10 = 7
So 1180843-91-7 is a valid CAS Registry Number.

1180843-91-7Downstream Products

1180843-91-7Relevant articles and documents

Enamide-benzyne-[2 + 2] cycloaddition: Stereoselective tandem [2 + 2]-pericyclic ring-opening-intramolecular N-tethered [4 + 2] cycloadditions

Feltenberger, John B.,Hayashi, Ryuji,Tang, Yu,Babiash, Eric S.C.,Hsung, Richard P.

supporting information; experimental part, p. 3666 - 3669 (2011/02/25)

Image Presented Benzyne-[2 + 2] cycloadditions with enamides are described. This effort led to the development of a highly stereoselective tandem [2 + 2] cycloaddition-pericyclic ring-opening-intramolecular-N-tethered-[4 + 2] cycloaddition for rapid assembly of nitrogen heterocycles.

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