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130786-21-9

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130786-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130786-21-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,7,8 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 130786-21:
(8*1)+(7*3)+(6*0)+(5*7)+(4*8)+(3*6)+(2*2)+(1*1)=119
119 % 10 = 9
So 130786-21-9 is a valid CAS Registry Number.

130786-21-9Downstream Products

130786-21-9Relevant articles and documents

Heterogeneous gold-catalyzed oxidative cross-coupling of propargylic acetates with arylboronic acids leading to (E)-α-arylenones

Liu, Dayi,Nie, Quan,Zhang, Rongli,Cai, Mingzhong

supporting information, p. 29 - 34 (2018/11/30)

An efficient heterogeneous gold-catalyzed oxidative cross-coupling of propargylic acetates with arylboronic acids has been developed that proceeds smoothly in the presence of Selectfluor and provides a general and powerful tool for the preparation of various valuable α-arylenones with moderate to good yields, excellent E-selectivity, and recyclability of the gold catalyst. The reaction is the first example of heterogeneous gold-catalyzed arylative rearrangement of propargylic acetates for construction of complex enones.

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