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1416470-23-9

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1416470-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1416470-23-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,6,4,7 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1416470-23:
(9*1)+(8*4)+(7*1)+(6*6)+(5*4)+(4*7)+(3*0)+(2*2)+(1*3)=139
139 % 10 = 9
So 1416470-23-9 is a valid CAS Registry Number.

1416470-23-9Downstream Products

1416470-23-9Relevant articles and documents

Deamination of 3-(dialkylamino)-1,4-diarylhex-5-en-1-ynes during vacuum distillation

Chukhajian,Shahkhatuni,Chukhajian, El. O.,Ayrapetyan,Panosyan

, p. 178 - 183 (2017)

During vacuum distillation of 3-(dialkylamino) derivatives of 1,4-diphenyl- and 4-phenyl-1-(p-chlorophenyl) hex-5-en-1-ynes deamination occurs resulting in a high yield of p-diarylbenzenes. The amines transformation into terbenzenes is a domino-reaction: first step consists in the β-elimination of secondary amines with the generation of conjugated dienyne which via an electrocyclic reaction transforms into cyclic allene intermediate. The latter after 1,3- or 1,5-hydride shift quickly converts into the final reaction products.

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