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237421-20-4

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237421-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 237421-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,7,4,2 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 237421-20:
(8*2)+(7*3)+(6*7)+(5*4)+(4*2)+(3*1)+(2*2)+(1*0)=114
114 % 10 = 4
So 237421-20-4 is a valid CAS Registry Number.

237421-20-4Relevant articles and documents

1,2,4-Triazolo[1,5-a]quinoxaline as a versatile tool for the design of selective human A3 adenosine receptor antagonists: Synthesis, biological evaluation, and molecular modeling studies of 2-(hetero)aryl- and 2-carboxy-substitued derivatives

Catarzi, Daniela,Colotta, Vittoria,Varano, Flavia,Lenzi, Ombretta,Filacchioni, Guido,Trincavelli, Letizia,Martini, Claudia,Montopoli, Christian,Moro, Stefano

, p. 7932 - 7945 (2007/10/03)

A number of 4-oxo-substituted 1,2,4-triazolo[1,5-a]quinoxaline derivatives bearing at position-2 the claimed (hetero)aryl moiety (compounds 1-15) but also a carboxylate group (16-28, 32-36) or a hydrogen atom (29-31) were designed as human A3 (

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