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164219-07-2

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164219-07-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164219-07-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,2,1 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 164219-07:
(8*1)+(7*6)+(6*4)+(5*2)+(4*1)+(3*9)+(2*0)+(1*7)=122
122 % 10 = 2
So 164219-07-2 is a valid CAS Registry Number.

164219-07-2Relevant articles and documents

Syntheses of some Heterocyclic Systems Via 1-Cyano-2,2-diphenyl Acrylic Acid Azide

Abdel-Hamid, Hoda A.,Fahmy, A.F.M.,Shiba, S.A.,El-Hawary, N.A.

, p. 167 - 176 (2007/10/02)

1-cyano-2,2-diphenyl acrylic acid azide 1 was used to synthesize a number of condensed and noncondensed heterocyclic systems.Through their conversion to the diaryl urea derivative 2 which cyclises to imidazoles 3, or directly by the reaction with thioglycollic acid to thiazole 4, in the presence of anhydrous aluminium chloride to isoquinoline 5, with hydrazine to triazole 6, with anthranilic acid to quinazoline dione 7, with glycine to oxazole 8 and with semicarbazide to pyrazolidinone 9.All these compounds are of expected biological activity either as pharmaceutical or agrochemicals.

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