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1207429-58-0

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1207429-58-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1207429-58-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,7,4,2 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1207429-58:
(9*1)+(8*2)+(7*0)+(6*7)+(5*4)+(4*2)+(3*9)+(2*5)+(1*8)=140
140 % 10 = 0
So 1207429-58-0 is a valid CAS Registry Number.

1207429-58-0Downstream Products

1207429-58-0Relevant articles and documents

Base-promoted formal arylation of benzo[d]oxazoles with acyl chloride

Wang, Lei,Ren, Xinyi,Yu, Jintao,Jiang, Yan,Cheng, Jiang

, p. 12076 - 12081 (2013)

A base-promoted formal arylation of benzo[d]oxazoles with acyl chloride was achieved in moderate to good yields. This reaction was triggered by the N-acylation of oxazole to form an iminium intermediate. Then, the addition of H2O to the iminium formed the hemiacetal intermediate. After the sequential ring-opening, extrusion of CO, the ring closure, the dehydration delivered the formal arylation product. In comparison with the transition-metal-catalyzed methodology, it represents an alternative arylation method leading to 2-arylbenzooxazole.

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