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127745-73-7

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127745-73-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127745-73-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,4 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 127745-73:
(8*1)+(7*2)+(6*7)+(5*7)+(4*4)+(3*5)+(2*7)+(1*3)=147
147 % 10 = 7
So 127745-73-7 is a valid CAS Registry Number.

127745-73-7Relevant articles and documents

A New Synthesis of Pyrazinolisoquinolines

Bates, Marie-Rose M.,Deady, Leslie W.,Mackay, Maureen F.

, p. 179 - 184 (2007/10/02)

A convenient synthesis of 1-(p-chlorophenoxy)isoquinoline-3,4-diamine is described.Condensation with ethyl pyruvate gave entry to the tricyclic title system, and some further nuclelophilic displacement reactions of substituent groups are described.The dir

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