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Trifluoro-methanesulfonic acid 2-oxo-cyclohex-(E)-ylidenemethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

177481-87-7

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177481-87-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177481-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,4,8 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 177481-87:
(8*1)+(7*7)+(6*7)+(5*4)+(4*8)+(3*1)+(2*8)+(1*7)=177
177 % 10 = 7
So 177481-87-7 is a valid CAS Registry Number.

177481-87-7Relevant academic research and scientific papers

Synthesis of 6-/10-membered ring analogs of the dienediyne core of the neocarzinostatin chromophore by palladium(0)-mediated ring-closure reactions

Brickmann, Kay,Hambloch, Frank,Suffert, Jean,Brueckner, Reinhard

, p. 457 - 471 (2007/10/03)

A strategy for the synthesis of the benzo-annulated bicyclic dienediyne analogs 46 and 48 of the DNA-cleaving natural product neocarzinostatin chromophore was developed. 2-Formylcyclohexanone (9) was converted stereoselectively first into the mono(enol tr

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