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74803-21-7

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74803-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74803-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,0 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74803-21:
(7*7)+(6*4)+(5*8)+(4*0)+(3*3)+(2*2)+(1*1)=127
127 % 10 = 7
So 74803-21-7 is a valid CAS Registry Number.

74803-21-7Downstream Products

74803-21-7Relevant articles and documents

Ring Opening or Rearrangement versus N-Oxidation in the Action of Peracids upon Pyrrolopyridines, Pyrrolopyrazines, and Triazolo- and Triazolo-pyrazine. Some Chemical and Spectroscopic Properties of the Triazolopyrazines and Th

Hardy, Christopher R.,Parrick, John

, p. 506 - 511 (2007/10/02)

Peracid oxidation of the title heterocycles has shown a variety of reaction pathways. 1-Methyl-2,3-diphenyl-1H-pyrrolopyridine (8) gave a ring-opening product (13), while 3-methyl-2-phenyl-1H-pyrrolopyrazine gave N-benzoylurea.In contrast, t

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