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71994-77-9

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71994-77-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71994-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,9 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71994-77:
(7*7)+(6*1)+(5*9)+(4*9)+(3*4)+(2*7)+(1*7)=169
169 % 10 = 9
So 71994-77-9 is a valid CAS Registry Number.

71994-77-9Downstream Products

71994-77-9Relevant articles and documents

Copper-catalyzed aerobic oxidative C-O bond formation for the synthesis of 3,5-disubstituted isoxazoles from enone oximes

Sun, Yadong,Abdukader, Ablimit,Zhang, Haiyan,Yang, Wanle,Liu, Chenjiang

, p. 55786 - 55789 (2017)

A direct access to 3,5-disubstituted isoxazoles has been accomplished through an intramolecular oxidative coupling reaction of enone oximes using a catalytic quantity of Cu(OAc)2. This method features an inexpensive metal catalyst, molecular ox

A convenient one-pot synthesis of 3,5-diarylisoxazoles via oxidative cyclisation using catalytic CuBr2 and oxone

Bhatt, Ashish,Singh, Rajesh K.,Kant, Ravi

supporting information, p. 1143 - 1147 (2019/03/26)

A facile one-pot synthesis of 3,5-diarylisoxazoles from α,β-unsaturated ketones and hydroxylamine hydrochloride is reported. The reaction is efficiently promoted by catalytic CuBr2 and Oxone to afford the desired products mostly in high yields

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