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181527-55-9

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181527-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 181527-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,5,2 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 181527-55:
(8*1)+(7*8)+(6*1)+(5*5)+(4*2)+(3*7)+(2*5)+(1*5)=139
139 % 10 = 9
So 181527-55-9 is a valid CAS Registry Number.

181527-55-9Relevant articles and documents

New pyrazole-annulated azathioxanthenes as potential intercalators: Synthesis and structure elucidation

Varvaresou,Tsotinis,Siatra-Papastaikoudi,Calogeropoulou

, p. 831 - 835 (2007/10/03)

As part of our program aiming at developing efficacious intercalating agents, a new series of pyrazole-annulated azathioxanthenes 15a-e has been synthesized. Structure elucidation of 15a-e was based on their spectral data and especially the NOESY nmr spec

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