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1441005-57-7

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1441005-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1441005-57-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,1,0,0 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1441005-57:
(9*1)+(8*4)+(7*4)+(6*1)+(5*0)+(4*0)+(3*5)+(2*5)+(1*7)=107
107 % 10 = 7
So 1441005-57-7 is a valid CAS Registry Number.

1441005-57-7Downstream Products

1441005-57-7Relevant articles and documents

Synthesis of dihydrobenzo[1,4]oxazines using copper catalyzed intramolecular ring closure reaction

Jangili, Paramesh,Kashanna, Jajula,Das, Biswanath

, p. 3453 - 3456 (2013/06/27)

The synthesis of dihydrobenzo[1,4]oxazines has been accomplished efficiently by copper catalyzed intramolecular cyclization of the adducts formed by the treatment of 1,2-cyclic sulfamidates with 2-halo phenols. The products (except two) are new and their yields are high. The catalyst is easily available and less expensive.

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