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167389-16-4

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167389-16-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 167389-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,3,8 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 167389-16:
(8*1)+(7*6)+(6*7)+(5*3)+(4*8)+(3*9)+(2*1)+(1*6)=174
174 % 10 = 4
So 167389-16-4 is a valid CAS Registry Number.

167389-16-4Downstream Products

167389-16-4Relevant articles and documents

A FACILE EPOXIDATION OF 5-METHYLENE-1,3-DIOXANE-4,6-DIONES WITH HYDROGEN PEROXIDE WITHOUT CATALYST

Tsuno, Takashi,Sugiyama, Kunio,Ago, Hideo

, p. 2631 - 2654 (2007/10/02)

5-Methylene-1,3-dioxane-4,6-diones readily reacted with hydrogen peroxide without any catalyst and any bases to afford the spiro- and poryspirocyclic compounds containing an oxirane ring as good crystalline products.Furthermore, the epoxidation of chiral 5-arylidene-1,3-dioxane-4,6-diones with hydrogen peroxide produced the two diastereomers whose purification by silica gel chromatography ensures 100percent optical purity.

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