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425644-23-1

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425644-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 425644-23-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,5,6,4 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 425644-23:
(8*4)+(7*2)+(6*5)+(5*6)+(4*4)+(3*4)+(2*2)+(1*3)=141
141 % 10 = 1
So 425644-23-1 is a valid CAS Registry Number.

425644-23-1Relevant articles and documents

Long-acting fentanyl analogues: synthesis and pharmacology of N-(1-phenylpyrazolyl)-N-(1-phenylalkyl-4-piperidyl)propanamides.

Jagerovic, Nadine,Cano, Carolina,Elguero, Jose,Goya, Pilar,Callado, Luis F,Meana, J Javier,Giron, Rocio,Abalo, Raquel,Ruiz, David,Goicoechea, Carlos,Martin, M A Isabel

, p. 817 - 827 (2007/10/03)

The synthesis of new fentanyl analogues in which the benzene ring of the propioanilido group has been replaced by phenylpyrazole is described. Antinociceptive activity was evaluated using the writhing and hot plate tests in mice. Two compounds, and, showe

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