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1569046-70-3

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1569046-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1569046-70-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,9,0,4 and 6 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1569046-70:
(9*1)+(8*5)+(7*6)+(6*9)+(5*0)+(4*4)+(3*6)+(2*7)+(1*0)=193
193 % 10 = 3
So 1569046-70-3 is a valid CAS Registry Number.

1569046-70-3Downstream Products

1569046-70-3Relevant articles and documents

Tetrabutylammonium bromide catalyzed tandem addition/cyclization of o-aralkynylaryl aldehydes with trimethyl(trifluoromethyl)silane: Synthesis of trifluoromethyl group containing phthalans

Hu, Bo-Lun,Li, Chun-Lin,Liao, Zhi-Yong,Zhang, Xing-Guo

, p. 2748 - 2750 (2013)

A tetrabutylammonium bromide catalyzed trifluoromethylation/cyclization reaction of o-aralkynylaryl aldehydes with trimethyl(trifluoromethyl)silane and cesium fluoride has been developed. A variety of 1-alkylidene-3- (trifluoromethyl)phthalans were prepared in moderate to excellent yields by tandem nucleophilic addition and cyclization. Georg Thieme Verlag Stuttgart New York.

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