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344339-78-2

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344339-78-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344339-78-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,3,3 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 344339-78:
(8*3)+(7*4)+(6*4)+(5*3)+(4*3)+(3*9)+(2*7)+(1*8)=152
152 % 10 = 2
So 344339-78-2 is a valid CAS Registry Number.

344339-78-2Downstream Products

344339-78-2Relevant articles and documents

Suzuki-Miyaura cross-coupling reaction of 1,2-oxaborol-2(5H)-ols with carboxylic anhydrides: A new method to furans

Yu, Tao,Wu, Xin-Yan,Yang, Jun

supporting information, p. 4071 - 4074 (2014/07/22)

An efficient one-step method has been developed to construct furans via a Suzuki-Miyaura cross-coupling reaction of 1,2-oxaborol-2(5H)-ols with carboxylic anhydrides. In the presence of Pd(OAc)2/PCy3, the multi-substituted alkenylboron compounds could couple with anhydrides to obtain furans in moderate-to-good yields. The addition of bases promoted the coupling reaction, and the plausible reaction mechanism was proposed.

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