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105516-54-9

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105516-54-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105516-54-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,5,1 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 105516-54:
(8*1)+(7*0)+(6*5)+(5*5)+(4*1)+(3*6)+(2*5)+(1*4)=99
99 % 10 = 9
So 105516-54-9 is a valid CAS Registry Number.

105516-54-9Relevant articles and documents

Thermal or Lewis acid-promoted electrocyclisation and hetero Diels-Alder cycloaddition of α,β-unsaturated (conjugated) carbodiimides: A facile synthesis of nitrogen-containing heterocycles

Saito, Takao,Ohkubo, Takahiro,Kuboki, Hideki,Maeda, Masayuki,Tsuda, Kensaku,Karakasa, Takayuki,Satsumabayashi, Sadayoshi

, p. 3065 - 3080 (2007/10/03)

α,β-Diarylvinyl- and α-styryl-carbodiimides, prepared by the aza-Wittig reaction of iminophosphoranes with isocyanates, underwent either 6π-electrocyclisation upon heating or a Diels-Alder reaction under thermal or Lewis acid-promoted conditions with appr

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