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1219111-79-1

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1219111-79-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1219111-79-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,1,1 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1219111-79:
(9*1)+(8*2)+(7*1)+(6*9)+(5*1)+(4*1)+(3*1)+(2*7)+(1*9)=121
121 % 10 = 1
So 1219111-79-1 is a valid CAS Registry Number.

1219111-79-1Relevant articles and documents

PROCESS FOR THE PREPARATION OF SUBSTITUTED PYRIDONE CARBOXYLIC ACIDS

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Page/Page column 7-8, (2010/04/23)

The present invention relates to methods for the preparation of pyridone carboxylic acids for use as intermediates in the preparation of various synthetic organic compounds. The pyridone carboxylic acids can for example be used as intermediates in the production of potent antitumor agents, antifungal agents, antiviral agents, psychotherapeutic agents or contrast imaging agents for MRI.

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