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1332637-47-4

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1332637-47-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1332637-47-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,2,6,3 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1332637-47:
(9*1)+(8*3)+(7*3)+(6*2)+(5*6)+(4*3)+(3*7)+(2*4)+(1*7)=144
144 % 10 = 4
So 1332637-47-4 is a valid CAS Registry Number.

1332637-47-4Downstream Products

1332637-47-4Relevant articles and documents

Unusual thiophilic ring-opening of fused oligothiophenes with organolithium reagents

Chernichenko, Konstantin,Emelyanov, Nikolai,Gridnev, Ilya,Nenajdenko, Valentine G.

experimental part, p. 6812 - 6818 (2011/09/30)

Organolithium reagents attack the sulfur atoms of fused oligothiophenes producing ring-opened organolithium intermediates that can be trapped with a suitable electrophile. The reaction was found to be general for fused thieno[2,3-b]-thiophenes and some [3

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