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74460-26-7

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74460-26-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74460-26-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,6 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74460-26:
(7*7)+(6*4)+(5*4)+(4*6)+(3*0)+(2*2)+(1*6)=127
127 % 10 = 7
So 74460-26-7 is a valid CAS Registry Number.

74460-26-7Downstream Products

74460-26-7Relevant articles and documents

Interaction of 3,4-Dinitro-1-methylpyrrole with Secondary Amines: Alternative Formation of Pyrrolines or Cine Substitution Products

Devincenzis, Giuseppe,Mencarelli, Paolo,Stegel, Franco

, p. 162 - 166 (1983)

The course of the reaction of 1-methyl-3,4-dinitropyrrole with piperidine or morpholine in acetonitrile depends upon the reaction conditions.At refluxing temperature the main products are the cine substitution products, whereas at room temperature 2-pyrrolines are formed.Base-promoted decomposition of the latter yields products of formal direct denitration, whereas in the presence of Me3NH(1+) ion cine substitution products are obtained.

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