Cas 170751-42-5,N-But-3-ynyl-N-[1-(3,4-dimethoxy-benzyl)-prop-2-ynyl]-4-methyl-benzenesulfonamide

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Check Digit Verification of cas no

The CAS Registry Mumber 170751-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,7,5 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 170751-42:
(8*1)+(7*7)+(6*0)+(5*7)+(4*5)+(3*1)+(2*4)+(1*2)=125
125 % 10 = 5
So 170751-42-5 is a valid CAS Registry Number.

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170751-42-5Relevant academic research and scientific papers

A novel synthesis of isoindoline and isoquinoline using chromium carbene complex

Mori, Miwako,Kuriyama, Kayoko,Ochifuji, Nagisa,Watanuki, Susumu

, p. 615 - 616 (2007/10/02)

The reaction of diyne 1 which has nitrogen in tether with chromium carbene complex 2 afford isoindoline 4 in good yield.In this reaction,the two carbene carbons (carbene carbon of chromium carbene complex and carbon monoxide) reacted with the two alkynes,

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