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131074-23-2

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131074-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131074-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,0,7 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 131074-23:
(8*1)+(7*3)+(6*1)+(5*0)+(4*7)+(3*4)+(2*2)+(1*3)=82
82 % 10 = 2
So 131074-23-2 is a valid CAS Registry Number.

131074-23-2Relevant articles and documents

α-Bromoacetophenones in Heterocyclic Synthesis: A Convenient One-Pot Synthesis and the Chemical Behaviour of 3-Bromomethylbenzoisoxazole

Mohareb, Rafat Milad,Sherif, Sherif Mourad,Shams, Hoda Zaki,El-Torgoman, Abdel Moneim

, p. 1067 - 1071 (2007/10/02)

A novel one-pot synthesis of 3-bromomethylbenzoisoxazole (3) utilizing o-hydroxy-α-bromoacetophenone is reported.Coupling of 3 with benzenediazonium chloride afforded, the first reported, C-(3-benzoisoxazolyl)-N-(phenyl)formohydrazidoyl bromide (13).The chemical behaviour of 3 and 13 towards a variety of chemical reagents has been investigated.

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