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81744-46-9

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81744-46-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81744-46-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,4 and 4 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81744-46:
(7*8)+(6*1)+(5*7)+(4*4)+(3*4)+(2*4)+(1*6)=139
139 % 10 = 9
So 81744-46-9 is a valid CAS Registry Number.

81744-46-9Relevant academic research and scientific papers

METALLA IVb-PHOSPHOLANNES. I. Dimetalla-2,5 Phospholannes, Metalla-2 Diphospholannes-1,3 et Metalla-3 Diphospholannes-1,2

Andriamizaka, J. D.,Couret, C.,Escudie, J.,Satge, J.

, p. 265 - 278 (2007/10/02)

We present the synthesis of novel sila-, germa- and stanna-phospholanes: 2,5-dimetallaphospholanes, 2-metalla 1,3-diphospholanes and 3-metalla 1,2-diphospholanes.Preparation and characterization reactions of the first stable diphosphorus germylene are als

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