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29219-64-5

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29219-64-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 29219-64-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,2,1 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 29219-64:
(7*2)+(6*9)+(5*2)+(4*1)+(3*9)+(2*6)+(1*4)=125
125 % 10 = 5
So 29219-64-5 is a valid CAS Registry Number.

29219-64-5Downstream Products

29219-64-5Relevant articles and documents

Redox-neutral iron-sulfur promoted transformation of 2-nitrophenols and 2,6-disubstituted p -cresols into 2-arylbenzoxazoles

Saibara, Masahiko,Ashida, Kazuhito,Satomi, Kouji,Iwai, Toshiyuki,Nakai, Takeo,Mihara, Masatoshi,Ito, Takatoshi,Mizuno, Takumi

supporting information, p. 1565 - 1570 (2014/07/08)

A catalyst based on iron and elemental sulfur has been shown to efficiently promote a redox-neutral reaction between 2-nitrophenols and 2,6-disubstituted p-cresols, allowing for the preparation of 2-arylbenzoxazoles in good yields. This synthetic methodology also affords high atom economy without the use of any external oxidizing and/or reducing reagents. This is the first redox-condensation reaction of 2-nitrophenols with 2,6-disubstituted p-cresols. Georg Thieme Verlag Stuttgart New York.

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