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405239-74-9

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405239-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 405239-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,5,2,3 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 405239-74:
(8*4)+(7*0)+(6*5)+(5*2)+(4*3)+(3*9)+(2*7)+(1*4)=129
129 % 10 = 9
So 405239-74-9 is a valid CAS Registry Number.

405239-74-9Relevant articles and documents

Pyridine derivatives

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, (2008/06/13)

Pyridine compounds of general formula: wherein —R1represents in which R11is hydrogen, C1-6alkyl, halogen, hydroxy, C1-12alkoxy, nitro, amino, C1-6alkylsulfonylamino, C1-6alkoxycarbonyl, C1-6alkylamino, di(C1-6alkyl)amino, C1-6alkanoylamino, phenyl C1-6alkylamino, phenylsulfonylamino, or —O—(CH2)n—R111; R2represents hydrogen or halogen; R3represents hydrogen, —CR31R32R33, or —NR34R35; R4is hydrogen, carbamoyl, CN, carboxyl, etc.; R5is amino, C1-6alkylamino, di C1-6alkylamino, etc. or salt thereof. The compound has an excellent anti-inflammatory activity, and other biological activity.

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