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40710-57-4

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40710-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40710-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,7,1 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 40710-57:
(7*4)+(6*0)+(5*7)+(4*1)+(3*0)+(2*5)+(1*7)=84
84 % 10 = 4
So 40710-57-4 is a valid CAS Registry Number.

40710-57-4Relevant articles and documents

Synthesis and characterization of some 3-acyl-4-amino-1-aryl-1H-pyrazoles

Simunek, Petr,Svobodova, Marketa,Machacek, Vladimir

experimental part, p. 650 - 655 (2009/11/30)

(Chemical Equation Presented) A series of 3-acyl-4-amino-1-aryl-1H- pyrazoles has been prepared by reaction of β-enaminones with benzenediazonium tetrafluoroborates substituted especially by fluorine-containing groups (F, CF3, and OCF3/su

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