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131118-92-8

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131118-92-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131118-92-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,1 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 131118-92:
(8*1)+(7*3)+(6*1)+(5*1)+(4*1)+(3*8)+(2*9)+(1*2)=88
88 % 10 = 8
So 131118-92-8 is a valid CAS Registry Number.

131118-92-8Downstream Products

131118-92-8Relevant articles and documents

SO2F2-Mediated Epoxidation of Olefins with Hydrogen Peroxide

Ai, Chengmei,Zhu, Fuyuan,Wang, Yanmei,Yan, Zhaohua,Lin, Sen

, p. 11928 - 11934 (2019/10/02)

An inexpensive, mild, and highly efficient epoxidation protocol has been developed involving bubbling SO2F2 gas into a solution of olefin, 30% aqueous hydrogen peroxide, and 4 N aqueous potassium carbonate in 1,4-dioxane at room temperature for 1 h with the formation of the corresponding epoxides in good to excellent yields. The novel SO2F2/H2O2/K2CO3 epoxidizing system is suitable to a variety of olefinic substrates including electron-rich and electron-deficient ones.

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