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873537-31-6

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873537-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 873537-31-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,5,3 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 873537-31:
(8*8)+(7*7)+(6*3)+(5*5)+(4*3)+(3*7)+(2*3)+(1*1)=196
196 % 10 = 6
So 873537-31-6 is a valid CAS Registry Number.

873537-31-6Upstream product

873537-31-6Relevant articles and documents

THIENOPYRAZOLE DERIVATIVE HAVING PDE7 INHIBITORY ACTIVITY

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Page/Page column 29, (2008/06/13)

To provide thienopyrazole derivatives inhibiting PDE 7 selectively, and therefore, enhance cellular cAMP level. Consequently, the compound is useful for treating various kinds of disease such as allergic diseases, inflammatory diseases or immunologic diseases. The compound is thienopyrazole compound represented by the following formula (I): [wherein, especially, R 1 is a cyclohexyl, a cycloheptyl group or a tetrahydropyranyl group; R 2 is methyl; R 3 is a hydrogen atom; and R 4 is a group: -CONR 5 R 6 (in which any one of R 5 and R 6 is a hydrogen atom)].

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