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874288-85-4

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874288-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 874288-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,2,8 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 874288-85:
(8*8)+(7*7)+(6*4)+(5*2)+(4*8)+(3*8)+(2*8)+(1*5)=224
224 % 10 = 4
So 874288-85-4 is a valid CAS Registry Number.

874288-85-4Relevant articles and documents

PHARMACEUTICAL COMPOUNDS

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Page/Page column 147, (2010/02/15)

The invention provides a compound for use in the prophylaxis or treatment of a disease state or condition mediated by a cyclin dependent kinase, the compound having the formula (I): (I) and salts, tautomers, N-oxides or solvates thereof; wherein A is a bond, C=O, NRg(C=O) or O(C=O) wherein Rg is hydrogen or C1-4 hydrocarbyl optionally substituted by hydroxy or C1-4 alkoxy; Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; Q is S or CR2; J is S or CH; provided that one of Q and J is S, and the other of Q and J is not S; when Q is S, there is a double bond between the ring carbon atoms “a” and “b” and a double bond between the ring nitrogen N and J; and when J is S, there is a double bond between Q and the ring carbon atom “a” and a double bond between the ring nitrogen N and the ring carbon atom “b”; and R1 to R4 are as defined in the claims.

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