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1009309-18-5

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1009309-18-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1009309-18-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,3,0 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1009309-18:
(9*1)+(8*0)+(7*0)+(6*9)+(5*3)+(4*0)+(3*9)+(2*1)+(1*8)=115
115 % 10 = 5
So 1009309-18-5 is a valid CAS Registry Number.

1009309-18-5Downstream Products

1009309-18-5Relevant articles and documents

Synthesis of 4-alkynylpyrrolo[2,3-d]pyrimidines by palladium-catalyzed cross-coupling reactions

Tumkevicius, Sigitas,Masevicius, Viktoras

, p. 3815 - 3820 (2007)

The palladium-catalyzed cross-coupling reaction of methyl 5-amino-4-chloro- and 5-amino-4-iodo-7-methyl-2-(methyl-sulfanyl)-7H-pyrrolo[2,3-d]pyrimidine-6- carboxylate with various terminal alkynes has been investigated. The 4-iodo derivative was found to be a good substrate for the synthesis of various 4-alkynylpyrrolopyrimidines. A simple synthesis of 4-(indol-2-yl)pyrrolo[2,3-d] pyrimidines by the reaction of 4-iodopyrrolopyrimidine with 2-ethynyl-N- mesylaniline in the presence dichlorobis(triphenylphosphine)palladium and copper(I) iodide is described. Georg Thieme Verlag Stuttgart.

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