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157252-28-3

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157252-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157252-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,2,5 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 157252-28:
(8*1)+(7*5)+(6*7)+(5*2)+(4*5)+(3*2)+(2*2)+(1*8)=133
133 % 10 = 3
So 157252-28-3 is a valid CAS Registry Number.

157252-28-3Downstream Products

157252-28-3Relevant articles and documents

Intermolecular photoaddition reaction of arenecarbothioamides to 2- methoxy- and 2-trimethylsiloxyfurans. Facile synthesis of arene-fused aminobenzoates by novel photoinduced benzannulation

Oda, Kazuaki,Sakai, Masayuki,Machida, Minoru

, p. 584 - 589 (2007/10/03)

Irradiation of arenecarbothioamides with 2-methoxyfuran in benzene solution gave arene-fused aminobenzoates in moderate yields accompanied by small amounts of arylpyrroles or arylthiophenes. In the case of 2- trimethylsiloxyfuran, arenecarbothioamides gave arene-fused aminobenzoates in good yields as sole products. It was demonstrated that certain furan derivatives are potentially useful as building blocks in photoinduced benzannulation.

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