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85504-19-4

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85504-19-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85504-19-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,5,0 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 85504-19:
(7*8)+(6*5)+(5*5)+(4*0)+(3*4)+(2*1)+(1*9)=134
134 % 10 = 4
So 85504-19-4 is a valid CAS Registry Number.

85504-19-4Relevant articles and documents

Chemoselectivity of the reactions of diazomethanes with 5-benzylidene-3-phenylrhodanine

Seyfried, Martin S.,Linden, Anthony,Mloston, Grzegorz,Heimgartner, Heinz

experimental part, p. 1800 - 1816 (2009/12/06)

The reactions of 5-benzylidene-3-phenylrhodanine (2; rhodanine = 2-thioxo-1,3-thiazolidin-4-one) with diazomethane (7a) and phenyldiazomethane (7b) occurred chemoselectively at the exocyclic C=C bond to give the spirocyclopropane derivatives 9 and, in the

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