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16155-57-0

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16155-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16155-57-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,5 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 16155-57:
(7*1)+(6*6)+(5*1)+(4*5)+(3*5)+(2*5)+(1*7)=100
100 % 10 = 0
So 16155-57-0 is a valid CAS Registry Number.

16155-57-0Relevant articles and documents

Organocatalytic oxidative synthesis of C2-functionalized benzoxazoles, naphthoxazoles, benzothiazoles and benzimidazoles

Kaldhi, Dhananjaya,Vodnala, Nagaraju,Gujjarappa, Raghuram,Nayak, Subhashree,Ravichandiran,Gupta, Sreya,Hazra, Chinmoy K.,Malakar, Chandi C.

supporting information, p. 223 - 229 (2019/01/04)

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Iron-catalyzed synthesis of benzoxazoles by oxidative coupling/cyclization of phenol derivatives with benzoyl aldehyde oximes

Gao, Sen,Gao, Liming,Meng, Hong,Luo, Meiming,Zeng, Xiaoming

, p. 9886 - 9889 (2017/09/11)

An iron-catalyzed oxidative coupling/cyclization reaction for the synthesis of benzoxazoles at room temperature is reported. This reaction was enabled by an inexpensive iron(iii) catalyst by treating readily available phenol derivatives with benzoyl aldehyde oximes. Mechanistic studies show that benzoyl aldehyde oxime is not only used as a substrate, but also serves as an ancillary ligand to support the iron salt in the promotion of the transformation.

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