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1369490-55-0

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1369490-55-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1369490-55-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,6,9,4,9 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1369490-55:
(9*1)+(8*3)+(7*6)+(6*9)+(5*4)+(4*9)+(3*0)+(2*5)+(1*5)=200
200 % 10 = 0
So 1369490-55-0 is a valid CAS Registry Number.

1369490-55-0Downstream Products

1369490-55-0Relevant articles and documents

Synthesis of substituted 1 H-indazoles from arynes and hydrazones

Li, Pan,Wu, Chunrui,Zhao, Jingjing,Rogness, Donald C.,Shi, Feng

, p. 3149 - 3158 (2012/07/14)

The 1H-indazole skeleton can be constructed by a [3 + 2] annulation approach from arynes and hydrazones. Under different reaction conditions, both N-tosylhydrazones and N-aryl/alkylhydrazones can be used to afford a variety of indazoles. The former reaction affords 3-substituted indazoles either via in situ generated diazo compounds or through an annulation/elimination process. The latter reaction leads to 1,3-disubstituted indazoles likely through an annulation/oxidation process. The reactions operate under mild conditions and can accommodate aryl, vinyl, and less satisfactorily, alkyl groups.

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