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116719-56-3

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116719-56-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116719-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,7,1 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 116719-56:
(8*1)+(7*1)+(6*6)+(5*7)+(4*1)+(3*9)+(2*5)+(1*6)=133
133 % 10 = 3
So 116719-56-3 is a valid CAS Registry Number.

116719-56-3Relevant articles and documents

One-pot synthesis of furoflavanones

Soman, Shubhangi S.,Patel, Jagdish M.

experimental part, p. 209 - 214 (2011/12/05)

Several new furoflavanones (5-7) have been synthesized from hydroxy acetyl benzofuran and an aryl aldehyde in presence of piperidine. These furoflavanones were dehydrogenated to furoflavones (8-10) using DDQ (2,3-dichloro-5,6-dicyano- 1,4-benzoquinone). The chalcone synthesized (4b) using 1% ethanolic sodium hydroxide from hydroxy acetyl benzofuran and aryl aldehyde shows promising antiinflammatory activity.

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