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742062-68-6

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742062-68-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 742062-68-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,2,0,6 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 742062-68:
(8*7)+(7*4)+(6*2)+(5*0)+(4*6)+(3*2)+(2*6)+(1*8)=146
146 % 10 = 6
So 742062-68-6 is a valid CAS Registry Number.

742062-68-6Relevant articles and documents

A convenient procedure for the synthesis of 3-substituted 5,6-dihydro-4H-1,2-oxazines from nitroethane

Sukhorukov, Alexey Yu.,Klenov, Michael S.,Ivashkin, Pavel E.,Lesiv, Alexey V.,Khomutova, Yulya A.,Ioffe, Sema L.

, p. 97 - 107 (2007)

A novel and efficient four-step procedure for the synthesis of C-3-functionalised 5,6-dihydro-4H-1,2-oxazines from nitroethane is described. It includes preparation of 3-methyl-substituted six-membered cyclic nitronates, 3-(bromomethyl)-substituted 5,6-dihydro-4H-1,2-oxazines as intermediates, and nucleophilic substitution of bromine. Total yields of the target C-3-functionalised oxazines are 15-30% from nitroethane. Georg Thieme Verlag Stuttgart.

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