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444177-51-9

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444177-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 444177-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,1,7 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 444177-51:
(8*4)+(7*4)+(6*4)+(5*1)+(4*7)+(3*7)+(2*5)+(1*1)=149
149 % 10 = 9
So 444177-51-9 is a valid CAS Registry Number.

444177-51-9Downstream Products

444177-51-9Relevant articles and documents

Synthesis and reactivity of Mannich bases. Part 15: Synthesis of 3-(2-(1-pyrazolyl)ethyl)-1,2-benzisoxazoles

Roman, Gheorghe,Comanita, Eugenia,Comanita, Bogdan

, p. 1617 - 1622 (2007/10/03)

Four new Mannich bases derived from ortho-hydroxyacetophenones and containing pyrazoles as amine moieties have been subjected to oximation in alkaline medium. The selective acetylation to the oximino hydroxyl of the resulting oximes led to the corresponding oxime-acetates. These have been transformed via a ring closure reaction in refluxing benzene and in the presence of anhydrous K2CO3 into 3-(2-(1-pyrazolyl)ethyl)-1,2-benzisoxazoles, valuable as potential pharmacologically relevant compounds.

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