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181763-69-9

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181763-69-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 181763-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,7,6 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 181763-69:
(8*1)+(7*8)+(6*1)+(5*7)+(4*6)+(3*3)+(2*6)+(1*9)=159
159 % 10 = 9
So 181763-69-9 is a valid CAS Registry Number.

181763-69-9Downstream Products

181763-69-9Relevant articles and documents

Behaviour of 4,6-diaryl-2(1H)-pyrimidin-2-thione towards some nucleophiles and electrophiles

Soliman, Fekria Mohamed Ahmed,El-Hashash, Maher Abdelaziz,Souka, Leila,Salman, Asmaa Salem

, p. 109 - 117 (2007/10/03)

Reaction of 4-chlorobenzylidene-2,4-dimetyl acetophenone and 4-chlorobenzylidene-2-methoxy-4-methyl acetophenone with thiourea gave the corresponding pyrimidin-2-thione derivatives. These pyrimidin-2-thione derivatives reacted with a variety of nucleophiles and electrophiles to give substituted pyrimidiues, mercaptopyrimidines, furanones, and pyridazines.

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