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17357-25-4

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17357-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17357-25-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,3,5 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17357-25:
(7*1)+(6*7)+(5*3)+(4*5)+(3*7)+(2*2)+(1*5)=114
114 % 10 = 4
So 17357-25-4 is a valid CAS Registry Number.

17357-25-4Downstream Products

17357-25-4Relevant articles and documents

TMS·OTf-Catalyzed α-bromination of carbonyl compounds by N-bromosuccinimide

Guha, Samar Kumar,Wu, Bo,Kim, Beom Soo,Baik, Woonphil,Koo, Sangho

, p. 291 - 293 (2007/10/03)

Various carbonyl compounds undergo α-bromination reaction under a mild and practical condition utilizing N-bromosuccinimide (NBS), catalyzed by trimethylsilyl trifluoromethanesulfonate (TMS·OTf). This method is also effective for the side-chain bromination of heteroaromatic carbonyl compounds without the ring brominations.

MAGNESIUM CHLORIDE DIRECTED ALDOL AND BROMINATION OF 2-ACETYLFURAN

Mansour, Tarek S.

, p. 727 - 734 (2007/10/02)

Reaction of 2-acetylfuran with diisopropylethylamine and magnesium chloride followed by bromination gave 1,3-difuryl-3-hydroxy-1-butanone and 1,3-difuryl-4-bromo-3-hydroxy-1-butanone.Under similar conditions 2-acetylthiophene failed to react.

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