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156276-76-5

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156276-76-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156276-76-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,2,7 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 156276-76:
(8*1)+(7*5)+(6*6)+(5*2)+(4*7)+(3*6)+(2*7)+(1*6)=155
155 % 10 = 5
So 156276-76-5 is a valid CAS Registry Number.

156276-76-5Relevant articles and documents

Friedel-Crafts reactions of some N-acylaziridines: Oxazolines as intermediates

Mall,Buchholz,Stamm

, p. 377 - 380 (1994)

Without heat supply, AlCl3 and 3-substituted 1-acyl-2-phenylaziridines 1a,b, and 2b in benzene provided the respective Friedel-Crafts products 3a,b, and 4b (acylated 1-substituted 2,2-diphenylethylamines) which in part were further converted to 1,1,2,2-teraphenylethane (5). Oxazolines 6a,b, and 7b were also found. It is shown by means of 2,4,5-triphenyloxazoline 6b that oxazolines are intermediates for 3, 4, and 5. The uncommon heterolysis of these particular oxazolines is discussed.

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