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72490-34-7

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72490-34-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72490-34-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,9 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 72490-34:
(7*7)+(6*2)+(5*4)+(4*9)+(3*0)+(2*3)+(1*4)=127
127 % 10 = 7
So 72490-34-7 is a valid CAS Registry Number.

72490-34-7Relevant articles and documents

SYNTHESIS OF ACYL 1-ACETOXY-2-PHENOXYETHANES AND THE CORRESPONDING HYDROXY DERIVATIVES

Lukac, Ivan,Zvara, Ivan,Kulickova, Magdalena,Hrdlovic, Pavol

, p. 1826 - 1830 (2007/10/02)

Acyl 1-acetoxy-2-phenoxyethanes Ia-Id were prepared by aluminium chloride or polyphosphoric acid-catalyzed Friedel-Crafts acylation.Subsequent hydrolysis gave the corresponding alcohols IIa-IId.The formation of ortho-isomers during acylation was not observed.

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