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124127-39-5

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124127-39-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124127-39-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,1,2 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 124127-39:
(8*1)+(7*2)+(6*4)+(5*1)+(4*2)+(3*7)+(2*3)+(1*9)=95
95 % 10 = 5
So 124127-39-5 is a valid CAS Registry Number.

124127-39-5Relevant articles and documents

Formation of a Benzopyrilium Ion and a Quinoline from Benzofuran

Sonnenschein, Helmut,Schmitz, Ernst,Pritzkow, Wolfgang

, p. 277 - 279 (2007/10/02)

Chlorophenylcarbene reacts with benzofuran to give the cyclopropane derivative 3, which undergoes thermal opening of the three-membered ring to give the benzopyrilium cation 5.With aniline, 3 forms the quinoline 11 containing two C atoms of the starting compound 1 in positions 2 and 4.

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