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5227-09-8

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5227-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5227-09-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,2 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5227-09:
(6*5)+(5*2)+(4*2)+(3*7)+(2*0)+(1*9)=78
78 % 10 = 8
So 5227-09-8 is a valid CAS Registry Number.

5227-09-8Relevant articles and documents

Novel isoamido-substituted hydroxy-6-phenylphenanthridines

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Page/Page column 26, (2010/11/28)

Compounds of the formula I in which the substituents have the definitions provided in the specification, are novel, effective PDE4 inhibitors.

NOVEL 6-PYRIDYLPHENANTHRIDINES

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Page/Page column 20, (2008/06/13)

Compounds of a certain formula I, in which R1, R2, R3, R31, R4, R5, R51 and Har have the meanings indicated in the description, are novel effective PDE4 inhibitors.

NOVEL 6-PHENYLPHENANTRIDINES

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Page/Page column 22-23, (2008/06/13)

Compounds of formula (I), in which R1, R2, R3, R31, R4, R5, R51, R6, R7 and R8 have the meanings indicated in the description, are novel effective PDE4 inhibitors.

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