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1041697-45-3

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1041697-45-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1041697-45-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,1,6,9 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1041697-45:
(9*1)+(8*0)+(7*4)+(6*1)+(5*6)+(4*9)+(3*7)+(2*4)+(1*5)=143
143 % 10 = 3
So 1041697-45-3 is a valid CAS Registry Number.

1041697-45-3Downstream Products

1041697-45-3Relevant articles and documents

First synthesis of 7-amido-[1,2,4]triazolo[1,5-a]pyrimidines using halogen-metal exchange

Montel, Florian,Lamberth, Clemens,Jung, Pierre M.J.

, p. 6372 - 6376 (2008/09/21)

A new and efficient methodology for the preparation of novel 7-carboxyl-triazolopyrimidine derivatives via the halogen-metal exchange is described. In addition, we showed that this new method can be useful for the synthesis of amides, esters, and ketones by using different carbamoyl chlorides, isocyanides or acyl chlorides as electrophile.

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