840534-29-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 840534-29-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,0,5,3 and 4 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 840534-29:
(8*8)+(7*4)+(6*0)+(5*5)+(4*3)+(3*4)+(2*2)+(1*9)=154
154 % 10 = 4
So 840534-29-4 is a valid CAS Registry Number.
840534-29-4Relevant academic research and scientific papers
SULFONAMIDE DERIVATIVE HAVING ISOXAZOLE RING
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Page/Page column 16-17, (2010/11/08)
A compound represented by the general formula (I-A): wherein R1 is hydroxy and the like; R2 is optionally substituted lower alkyl and the like; R3 is hydrogen atom and the like; R4 is optionally substituted aryl