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1257250-52-4

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1257250-52-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257250-52-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,2,5 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1257250-52:
(9*1)+(8*2)+(7*5)+(6*7)+(5*2)+(4*5)+(3*0)+(2*5)+(1*2)=144
144 % 10 = 4
So 1257250-52-4 is a valid CAS Registry Number.

1257250-52-4Relevant articles and documents

CINNOLINE DERIVATIVES AS AS BTK INHIBITORS

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, (2013/10/21)

Disclosed are compounds of Formula 1, and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, R4, and R5 are defined in the specification. The compounds are inhibitors of Bruton's tyrosine

PROTEIN KINASE INHIBITORS

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Page/Page column 41, (2010/11/28)

Compounds that inhibit protein kinases, compositions containing the compounds and methods of treating diseases using the compounds are disclosed.

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