Cas 115998-33-9,5,7-Bis-(4-chloro-phenyl)-7H-pyrrolo[2,3-d]pyrimidin-4-ylamine

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Check Digit Verification of cas no

The CAS Registry Mumber 115998-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,9,9 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 115998-33:
(8*1)+(7*1)+(6*5)+(5*9)+(4*9)+(3*8)+(2*3)+(1*3)=159
159 % 10 = 9
So 115998-33-9 is a valid CAS Registry Number.

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115998-33-9Relevant academic research and scientific papers

The Gould-Jacob type of reaction for the synthesis of novel pyrimidopyrrolopyrimidines: A comparison of classical heating vs solvent free microwave irradiation

Desai, Nirmal D.

, p. 1343 - 1348 (2007/10/03)

The Gould-Jacob type of reaction for the synthesis of ethyl 4-oxo-8,10-substituted-4,8-dihydropyrimido[1,2-c]pyrrolo[3,2-e] pyrimidine-3-carboxylates 5 has been carried out conventionally by the condensation between 4-aminopyrrolo[2,3-d]pyrimidines 2 and

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