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1093857-23-8

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1093857-23-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1093857-23-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,3,8,5 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1093857-23:
(9*1)+(8*0)+(7*9)+(6*3)+(5*8)+(4*5)+(3*7)+(2*2)+(1*3)=178
178 % 10 = 8
So 1093857-23-8 is a valid CAS Registry Number.

1093857-23-8Downstream Products

1093857-23-8Relevant articles and documents

PYRAZOLONE DERIVATIVE AND PDE INHIBITOR CONTAINING THE SAME AS ACTIVE INGREDIENT

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Page/Page column 158-159, (2010/04/25)

It is to provide a novel pyrazolone derivative represented by the following general formula (1), which is useful as a pharmaceutical and has a phosphodiesterase inhibitory action: wherein R1,R2: C1-6 alkyl; R3,R4: H, X, C1-6 alkoxy; Z:O, S; A:AA, BB, wherein AA represents wherein BB represents wherein R5: H, C1-6 alkyl ; R6,R7: C1-6 alkyl.

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