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1-Fluoro-4-(prop-1-yne-1-sulfonyl)-benzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

125704-76-9

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125704-76-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125704-76-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,7,0 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 125704-76:
(8*1)+(7*2)+(6*5)+(5*7)+(4*0)+(3*4)+(2*7)+(1*6)=119
119 % 10 = 9
So 125704-76-9 is a valid CAS Registry Number.

125704-76-9Relevant academic research and scientific papers

Cu(OAc)2 Mediated Synthesis of 3-Sulfonyl Chromen-4-ones

Chang, Meng-Yang,Chen, Yu-Hsin,Wang, Heui-Sin

, p. 2361 - 2368 (2018)

Copper acetate mediated (4 + 2) annulation of sulfonylacetylenes with salicylic acids provides sulfonyl chromen-4-ones in the presence of benzotriazol-1-yloxy tri(dimethylamino)phosphonium hexafluorophosphate (BOP, Castro's reagent) and 4-dimethylaminopyridine (DMAP) in MeNO2 at reflux for 3 h. The uses of various metal complexes and activating reagents are investigated for facile and efficient transformation. A plausible mechanism is proposed.

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