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3239-71-2

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3239-71-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3239-71-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,3 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3239-71:
(6*3)+(5*2)+(4*3)+(3*9)+(2*7)+(1*1)=82
82 % 10 = 2
So 3239-71-2 is a valid CAS Registry Number.

3239-71-2Relevant articles and documents

Anodic cyanation of β-dicarbonyl compounds

Okimoto, Mitsuhiro,Numata, Kaori,Takahashi, Yukio,Hoshi, Masayuki,Tomozawa, Kenta,Shigemoto, Takamasa

, p. 2507 - 2509 (2005)

Several β-dicarbonyl compounds were electrochemically oxidized in a methanolic solution in the presence of sodium cyanide and sodium methoxide to yield the corresponding α-cyano-β-dicarbonyl compounds in moderate to good yields. Presumably, a two-electron

Synthesis of 2-Alkoxy-6-aryl-5-cyano-4(3H)-pyrimidinones

Perez, Miguel A.,Soto, Jose L.

, p. 177 - 179 (2007/10/02)

The reaction of methyl 3-aryl-2-cyano-3-methoxypropenoates 1 with cyanamide and sodium methoxide in methanol afforded after acid hydrolysis the methyl 3--3-aryl-2-cyanopropenoates 4.By performing the reaction in higher boiling alcoho

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