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74115-52-9

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74115-52-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74115-52-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,1 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74115-52:
(7*7)+(6*4)+(5*1)+(4*1)+(3*5)+(2*5)+(1*2)=109
109 % 10 = 9
So 74115-52-9 is a valid CAS Registry Number.

74115-52-9Downstream Products

74115-52-9Relevant articles and documents

A NOVEL SYNTHESIS OF PYRIDOPYRIMIDINES BY REACTION OF URACILS WITH 6-AMINOURACILS VIA PYRIMIDINE-TO-PYRIDINE TRANSFORMATION.

Hirota, Kosaku,Kitade, Yukio,Senda, Shigeo

, p. 407 - 410 (2007/10/02)

Reaction of 1,3-dimethyluracils with 1,3-dialkyl-6-aminouracils in basic media caused the pyrimidine-to-pyridine transformation to afford new pyridopyrimidine derivatives.A plausible mechanism for the ring transformation is offered.

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