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1620144-77-5

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1620144-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620144-77-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,1,4 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1620144-77:
(9*1)+(8*6)+(7*2)+(6*0)+(5*1)+(4*4)+(3*4)+(2*7)+(1*7)=125
125 % 10 = 5
So 1620144-77-5 is a valid CAS Registry Number.

1620144-77-5Upstream product

1620144-77-5Downstream Products

1620144-77-5Relevant articles and documents

Toluene as a novel carrier of xanthates - Preparation, use and surrogate of S-tri- and di-chloromethyl xanthates

Dumeunier, Rapha?l,Huber, Annika

, p. 4410 - 4414 (2014/07/22)

Toluene has been identified as a novel carrier of xanthates. Their corresponding fragmentative precursors proved to behave efficiently in radical group transfer reactions. As examples, unprecedented S-tri/di-chloromethyl xanthates could be prepared, isolated and further used in radical additions to olefins. Their precursors (de-aromatized toluene upon which is grafted, at one end, a tri/di-chloromethyl-group and, at the other end, a dithiocarbonyl group) can also be used directly in the transfer of both groups to olefins. The re-aromatizing loss of toluene by radical initiated fragmentation of the precursors brings thus new opportunities to the chemistry of xanthates, exemplified here in the intermolecular additions to olefins of new S-tri/di-chloromethyl xanthates.

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