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1044764-19-3

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1044764-19-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1044764-19-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,4,7,6 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1044764-19:
(9*1)+(8*0)+(7*4)+(6*4)+(5*7)+(4*6)+(3*4)+(2*1)+(1*9)=143
143 % 10 = 3
So 1044764-19-3 is a valid CAS Registry Number.

1044764-19-3Downstream Products

1044764-19-3Relevant articles and documents

Fused Imidazoles: I. Synthesis of 6,7-Dihydro-5H-pyrrolo[1,2-a]imidazole Derivatives

Kavina,Sizov,Yakovlev

, p. 901 - 911 (2018/07/31)

Dehydration of substituted 2-(2-oxopyrrolidin-1-yl)acetamides with phosphoryl chloride provides a convenient method of synthesis of 2-chloro-6,7-dihydro-5H-pyrrolo[1,2-a]imidazoles. The latter can be readily converted to various derivatives via introduction and modification of a substituent in the 3-position. The chlorine atom in the 2-position can be removed by hydrogenation over Raney nickel.

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