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1621085-69-5

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1621085-69-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1621085-69-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,1,0,8 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1621085-69:
(9*1)+(8*6)+(7*2)+(6*1)+(5*0)+(4*8)+(3*5)+(2*6)+(1*9)=145
145 % 10 = 5
So 1621085-69-5 is a valid CAS Registry Number.

1621085-69-5Relevant academic research and scientific papers

Synthesis of 6-substituted 3-(alkoxycarbonyl)-5-aryl-α-pyrones

Miura, Takuya,Fujioka, Saki,Takemura, Naoto,Iwasaki, Hiroki,Ozeki, Minoru,Kojima, Naoto,Yamashita, Masayuki

, p. 496 - 502 (2014)

An efficient synthesis of 6-substituted 3-(alkoxycarbonyl)-5-aryl-α- pyrones is reported. This methodology consists of the successive manipulation of an addition-elimination reaction between benzyl ketone derivatives and dimethyl methoxymethylenemalonate,

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