Cas 1048823-50-2,C22H16O2

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Check Digit Verification of cas no

The CAS Registry Mumber 1048823-50-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,8,8,2 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1048823-50:
(9*1)+(8*0)+(7*4)+(6*8)+(5*8)+(4*2)+(3*3)+(2*5)+(1*0)=152
152 % 10 = 2
So 1048823-50-2 is a valid CAS Registry Number.

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1048823-50-2Relevant academic research and scientific papers

Facile synthesis of new substituted 3-aryl/heteroarylflavones by Suzuki-Miyaura coupling of 3-bromoflavone with substituted aryu heteroarylboronic acids

Joshi, Vidya,Hatim, Jaywant Govind

, p. 111 - 116 (2013/09/24)

Flavones 7a-k having aryl and heteroaryl substituents at 3-position were synthesized in a Panasonic microwave-oven by Suzuki-Miyaura cross coupling reaction using 3-bromoflavone 5 and substituted aryl and heteroaryl boronic acids 6a-k with tetrakistriphenylphospine-palladium |(C6H 6)3P]4Pd as catalyst and N,N-dimethylformamide (DMF)+ H2O (9:4) as solvent, and aq.Na2CO3(2N) as base.

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