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76240-12-5

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76240-12-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76240-12-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,2,4 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 76240-12:
(7*7)+(6*6)+(5*2)+(4*4)+(3*0)+(2*1)+(1*2)=115
115 % 10 = 5
So 76240-12-5 is a valid CAS Registry Number.

76240-12-5Downstream Products

76240-12-5Relevant articles and documents

New Heterospiro-ring Systems by Condensation of Some Heterocyclic o-Dicarboxylates with 1,3-Diphenylguanidine

Nesi, Rodolfo,Chimichi, Stefano,Scotton, Mirella,Degl'Innocenti, Alessandro,Adembri, Giorgio

, p. 1667 - 1670 (2007/10/02)

The behaviour of some heterocyclic o-dicarboxylates towards 1,3-diphenylguanidine and sodium hydride was investigated.Whereas the pyridine and isothiazole derivatives (11) and (22) gave the amides (12) and (13), and (23), respectively, as the main products, the pyrimidine and isoxazole esters (17) and (24) afforded, through a spiro-cyclization reaction, the heterospiro-compounds (20) and (26).The structures of these new ring systems were established on the basis of chemical and spectroscopic data.

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